#A40C53

Closest named color: Violet Red (#A50055). oklch(46.9% 0.183 1.7), rgb(164, 12, 83).

Aa

White text reads best on this color (7.61:1).

About this color

#A40C53 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.183 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.008 away. White text reads best on it, at 7.61:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.183)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text2.75:1
White text7.61:1

Values

HEX#A40C53
RGBrgb(164, 12, 83)
HSLhsl(332, 86%, 35%)
OKLCHoklch(46.9% 0.183 1.7)

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 #A40C53 7.61:1 AAA Lc -89.4 Fine for body text
Black text on #A40C53 2.75:1 Fails Lc 19.6 Dividers and decoration only
#A40C53 text on white 7.61:1 AAA Lc 84.5 Fine for body text
#A40C53 text on black 2.75:1 Fails Lc -17.5 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3E8

    oklch(93.6% 0.026 2.8)

  3. Step 200

    200

    #F6CCD7

    oklch(88.4% 0.049 0.6)

  4. Step 300

    300

    #F1A9BC

    oklch(80.9% 0.088 1.9)

  5. Step 400

    400

    #E7789A

    oklch(70.8% 0.141 1.9)

  6. Step 500

    500

    #DC4F82

    oklch(63.1% 0.181 1.4)

  7. Step 600

    600

    #C72A6B

    oklch(55.5% 0.197 1.6)

  8. Step 700

    700 (this color)

    #A40C53

    oklch(46.9% 0.183 1.7)

  9. Step 800

    800

    #8C1A49

    oklch(42.8% 0.152 1.8)

  10. Step 900

    900

    #701E3D

    oklch(37.7% 0.118 1.6)

  11. Step 950

    950

    #421324

    oklch(26.9% 0.075 1.1)

Export this scale for Tailwind in the Tailwind colors tool

#A40C53 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)#3A42540.209
Deuteranopia (no green cones)#615D500.185
Tritanopia (no blue cones)#B300310.059
Achromatopsia (no color)#5454540.185

Harmonies

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

Complementary

The opposite hue (180°).

  • #A40C53

    #A40C53

    oklch(46.9% 0.183 1.7)

  • #00695E

    #00695E

    oklch(46.7% 0.083 182.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A40C53

    #A40C53

    oklch(46.9% 0.183 1.7)

  • #902187

    #902187

    oklch(46.9% 0.183 331.7)

  • #A81800

    #A81800

    oklch(46.9% 0.18 31.6)

Open the analogous palette in the generator

Split complementary

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

  • #A40C53

    #A40C53

    oklch(46.9% 0.183 1.7)

  • #006D34

    #006D34

    oklch(46.8% 0.124 151.6)

  • #006675

    #006675

    oklch(46.8% 0.082 212.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A40C53

    #A40C53

    oklch(46.9% 0.183 1.7)

  • #516300

    #516300

    oklch(46.8% 0.112 121.2)

  • #006092

    #006092

    oklch(46.8% 0.11 241.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A40C53

    #A40C53

    oklch(46.9% 0.183 1.7)

  • #6E5800

    #6E5800

    oklch(46.9% 0.096 91.9)

  • #00695E

    #00695E

    oklch(46.7% 0.083 182.5)

  • #3A49BF

    #3A49BF

    oklch(46.8% 0.184 271.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A40C53, closest first.

Similar named colors

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

Use #A40C53 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.