#4245AE

Closest named color: Blueberry (#464196). oklch(45.2% 0.164 276.4), rgb(66, 69, 174).

Aa

White text reads best on this color (7.79:1).

About this color

#4245AE is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.164 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.040 away. White text reads best on it, at 7.79:1.

Hue familyBlues
Lightnessmedium-dark (45%)
Chromavivid (0.164)
Temperaturecool
Nearest nameBlueberry (#464196)
Black text2.69:1
White text7.79:1

Values

HEX#4245AE
RGBrgb(66, 69, 174)
HSLhsl(238, 45%, 47%)
OKLCHoklch(45.2% 0.164 276.4)

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 #4245AE 7.79:1 AAA Lc -91.4 Preferred for body text
Black text on #4245AE 2.69:1 Fails Lc 17.4 Dividers and decoration only
#4245AE text on white 7.79:1 AAA Lc 86.6 Fine for body text
#4245AE text on black 2.69:1 Fails Lc -15.5 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 800.

  1. Step 50

    50

    #F3F5FE

    oklch(97.1% 0.012 276.1)

  2. Step 100

    100

    #E4E9FD

    oklch(93.6% 0.028 274.7)

  3. Step 200

    200

    #CFD7FD

    oklch(88.5% 0.053 275.9)

  4. Step 300

    300

    #B0BCFF

    oklch(81% 0.096 276.2)

  5. Step 400

    400

    #8895FF

    oklch(70.6% 0.155 276.4)

  6. Step 500

    500

    #6E77FD

    oklch(63.1% 0.196 276.3)

  7. Step 600

    600

    #595BEC

    oklch(55.6% 0.213 276.4)

  8. Step 700

    700

    #4A49CD

    oklch(49% 0.198 276.6)

  9. Step 800

    800 (this color)

    #4245AE

    oklch(45.2% 0.164 276.4)

  10. Step 900

    900

    #323683

    oklch(37.7% 0.127 276.2)

  11. Step 950

    950

    #1D204D

    oklch(26.9% 0.082 276.5)

Export this scale for Tailwind in the Tailwind colors tool

#4245AE 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)#0057B10.060
Deuteranopia (no green cones)#004EAC0.053
Tritanopia (no blue cones)#005F730.139
Achromatopsia (no color)#5252520.164

Harmonies

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

Complementary

The opposite hue (180°).

  • #4245AE

    #4245AE

    oklch(45.2% 0.164 276.4)

  • #655500

    #655500

    oklch(45.2% 0.093 96.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #4245AE

    #4245AE

    oklch(45.2% 0.164 276.4)

  • #005992

    #005992

    oklch(45.1% 0.117 246.5)

  • #6D349B

    #6D349B

    oklch(45.2% 0.163 306.4)

Open the analogous palette in the generator

Split complementary

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

  • #4245AE

    #4245AE

    oklch(45.2% 0.164 276.4)

  • #7A4800

    #7A4800

    oklch(45% 0.1 66.1)

  • #456000

    #456000

    oklch(45.1% 0.115 126.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #4245AE

    #4245AE

    oklch(45.2% 0.164 276.4)

  • #982800

    #982800

    oklch(45.2% 0.154 36.3)

  • #00673B

    #00673B

    oklch(45.2% 0.109 156.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #4245AE

    #4245AE

    oklch(45.2% 0.164 276.4)

  • #9A1947

    #9A1947

    oklch(45.3% 0.164 6.5)

  • #655500

    #655500

    oklch(45.2% 0.093 96.4)

  • #00645D

    #00645D

    oklch(45.3% 0.079 186.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4245AE, closest first.

Similar named colors

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

Use #4245AE 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.