#4254CE

Closest named color: Warm Blue (#4B57DB). oklch(50.5% 0.188 271.5), rgb(66, 84, 206).

Aa

White text reads best on this color (6.19:1).

About this color

#4254CE is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.188 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.025 away. White text reads best on it, at 6.19:1.

Hue familyBlues
Lightnessmedium-dark (51%)
Chromavivid (0.188)
Temperaturecool
Nearest nameWarm Blue (#4B57DB)
Black text3.39:1
White text6.19:1

Values

HEX#4254CE
RGBrgb(66, 84, 206)
HSLhsl(232, 59%, 53%)
OKLCHoklch(50.5% 0.188 271.5)

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 #4254CE 6.19:1 AA Lc -85.6 Fine for body text
Black text on #4254CE 3.39:1 AA large text Lc 23.7 Dividers and decoration only
#4254CE text on white 6.19:1 AA Lc 80.4 Fine for body text
#4254CE text on black 3.39:1 AA large text Lc -21.5 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

    #F2F5FE

    oklch(97% 0.012 271.3)

  2. Step 100

    100

    #E3E9FC

    oklch(93.5% 0.027 271.9)

  3. Step 200

    200

    #CDD8FC

    oklch(88.5% 0.051 271.9)

  4. Step 300

    300

    #ABBEFC

    oklch(80.9% 0.09 271.1)

  5. Step 400

    400

    #8099FB

    oklch(70.6% 0.146 271.4)

  6. Step 500

    500

    #637CF8

    oklch(63.1% 0.186 271.5)

  7. Step 600

    600

    #4D61E7

    oklch(55.5% 0.202 271.7)

  8. Step 700

    700 (this color)

    #4254CE

    oklch(50.5% 0.188 271.5)

  9. Step 800

    800

    #3342A3

    oklch(42.7% 0.157 271.4)

  10. Step 900

    900

    #2C3981

    oklch(37.7% 0.122 271.6)

  11. Step 950

    950

    #1A224B

    oklch(27% 0.076 272.1)

Export this scale for Tailwind in the Tailwind colors tool

#4254CE 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)#0068D20.056
Deuteranopia (no green cones)#005BCC0.043
Tritanopia (no blue cones)#0072890.152
Achromatopsia (no color)#6161610.189

Harmonies

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

Complementary

The opposite hue (180°).

  • #4254CE

    #4254CE

    oklch(50.5% 0.188 271.5)

  • #7A6200

    #7A6200

    oklch(50.5% 0.103 92)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #4254CE

    #4254CE

    oklch(50.5% 0.188 271.5)

  • #006BA2

    #006BA2

    oklch(50.5% 0.119 241.6)

  • #7A3FBC

    #7A3FBC

    oklch(50.6% 0.188 301.6)

Open the analogous palette in the generator

Split complementary

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

  • #4254CE

    #4254CE

    oklch(50.5% 0.188 271.5)

  • #935200

    #935200

    oklch(50.5% 0.117 61.3)

  • #5A6F00

    #5A6F00

    oklch(50.6% 0.122 121.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #4254CE

    #4254CE

    oklch(50.5% 0.188 271.5)

  • #B82109

    #B82109

    oklch(50.6% 0.188 31.5)

  • #00793A

    #00793A

    oklch(50.4% 0.134 151.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #4254CE

    #4254CE

    oklch(50.5% 0.188 271.5)

  • #B21B5D

    #B21B5D

    oklch(50.4% 0.188 1.5)

  • #7A6200

    #7A6200

    oklch(50.5% 0.103 92)

  • #007568

    #007568

    oklch(50.4% 0.091 181.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4254CE, closest first.

No curated palette has a color within ΔE 0.04 of #4254CE.

Similar named colors

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

Use #4254CE 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.