#4525FD

Closest named color: Light Royal Blue (#3A2EFE). oklch(49.2% 0.285 274.7), rgb(69, 37, 253).

Aa

White text reads best on this color (7.15:1).

About this color

#4525FD is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.285 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Light Royal Blue (#3A2EFE), ΔE 0.016 away. White text reads best on it, at 7.15:1.

Hue familyBlues
Lightnessmedium-dark (49%)
Chromavivid (0.285)
Temperaturecool
Nearest nameLight Royal Blue (#3A2EFE)
Black text2.93:1
White text7.15:1

Values

HEX#4525FD
RGBrgb(69, 37, 253)
HSLhsl(249, 98%, 57%)
OKLCHoklch(49.2% 0.285 274.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #4525FD 7.15:1 AAA Lc -88.0 Fine for body text
Black text on #4525FD 2.93:1 Fails Lc 21.1 Dividers and decoration only
#4525FD text on white 7.15:1 AAA Lc 83.0 Fine for body text
#4525FD text on black 2.93:1 Fails Lc -19.0 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F2F5FF

    oklch(97.1% 0.014 272.7)

  2. Step 100

    100

    #E3E9FF

    oklch(93.6% 0.03 273.6)

  3. Step 200

    200

    #CED7FF

    oklch(88.5% 0.056 275.2)

  4. Step 300

    300

    #AEBCFF

    oklch(80.9% 0.096 274.9)

  5. Step 400

    400

    #8596FF

    oklch(70.6% 0.154 274.8)

  6. Step 500

    500

    #6978FF

    oklch(63.1% 0.199 274.4)

  7. Step 600

    600

    #5353FF

    oklch(55.6% 0.247 274.8)

  8. Step 700

    700 (this color)

    #4525FD

    oklch(49.2% 0.285 274.7)

  9. Step 800

    800

    #3725CC

    oklch(42.8% 0.236 274.6)

  10. Step 900

    900

    #2D28A0

    oklch(37.6% 0.184 274.7)

  11. Step 950

    950

    #191A5E

    oklch(27% 0.118 274.5)

Export this scale for Tailwind in the Tailwind colors tool

#4525FD with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0061FF0.096
Deuteranopia (no green cones)#004EFA0.065
Tritanopia (no blue cones)#006F970.221
Achromatopsia (no color)#5858580.287

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #4525FD

    #4525FD

    oklch(49.2% 0.285 274.7)

  • #735F00

    #735F00

    oklch(49.1% 0.101 94.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #4525FD

    #4525FD

    oklch(49.2% 0.285 274.7)

  • #0066A1

    #0066A1

    oklch(49.2% 0.123 244.5)

  • #8400D1

    #8400D1

    oklch(49.2% 0.256 304.7)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #4525FD

    #4525FD

    oklch(49.2% 0.285 274.7)

  • #8B5100

    #8B5100

    oklch(49.2% 0.111 64.6)

  • #526C00

    #526C00

    oklch(49.2% 0.123 124.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #4525FD

    #4525FD

    oklch(49.2% 0.285 274.7)

  • #AD2900

    #AD2900

    oklch(49.1% 0.173 34.7)

  • #007440

    #007440

    oklch(49.1% 0.122 154.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #4525FD

    #4525FD

    oklch(49.2% 0.285 274.7)

  • #B20052

    #B20052

    oklch(49.1% 0.197 4.8)

  • #735F00

    #735F00

    oklch(49.1% 0.101 94.6)

  • #007167

    #007167

    oklch(49.3% 0.087 184.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4525FD, closest first.

No curated palette has a color within ΔE 0.04 of #4525FD.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #4525FD in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.