#A51D6D

Closest named color: Red Violet (#9E0168). oklch(48.8% 0.183 350.7), rgb(165, 29, 109).

Aa

White text reads best on this color (7.00:1).

About this color

#A51D6D is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.183 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.028 away. White text reads best on it, at 7.00:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.183)
Temperaturewarm
Nearest nameRed Violet (#9E0168)
Black text2.99:1
White text7.00:1

Values

HEX#A51D6D
RGBrgb(165, 29, 109)
HSLhsl(325, 70%, 38%)
OKLCHoklch(48.8% 0.183 350.7)

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 #A51D6D 7.00:1 AAA Lc -87.8 Fine for body text
Black text on #A51D6D 2.99:1 Fails Lc 21.3 Dividers and decoration only
#A51D6D text on white 7.00:1 AAA Lc 82.8 Fine for body text
#A51D6D text on black 2.99:1 Fails Lc -19.2 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

    #FCF2F6

    oklch(97% 0.012 351)

  2. Step 100

    100

    #F8E3EC

    oklch(93.5% 0.026 349.8)

  3. Step 200

    200

    #F4CCDD

    oklch(88.4% 0.05 350.7)

  4. Step 300

    300

    #EDA9C8

    oklch(80.8% 0.089 350.3)

  5. Step 400

    400

    #E179AC

    oklch(70.7% 0.141 350.6)

  6. Step 500

    500

    #D65197

    oklch(63.1% 0.181 350.9)

  7. Step 600

    600

    #C12E82

    oklch(55.6% 0.197 350.7)

  8. Step 700

    700 (this color)

    #A51D6D

    oklch(48.8% 0.183 350.7)

  9. Step 800

    800

    #871D59

    oklch(42.7% 0.151 351)

  10. Step 900

    900

    #6D1F4A

    oklch(37.7% 0.119 350.4)

  11. Step 950

    950

    #40142B

    oklch(27% 0.075 350.8)

Export this scale for Tailwind in the Tailwind colors tool

#A51D6D 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)#384A6F0.206
Deuteranopia (no green cones)#5F626A0.182
Tritanopia (no blue cones)#B20E430.070
Achromatopsia (no color)#5959590.185

Harmonies

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

Complementary

The opposite hue (180°).

  • #A51D6D

    #A51D6D

    oklch(48.8% 0.183 350.7)

  • #007158

    #007158

    oklch(48.8% 0.096 170.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A51D6D

    #A51D6D

    oklch(48.8% 0.183 350.7)

  • #8B2F9D

    #8B2F9D

    oklch(48.7% 0.183 320.6)

  • #B0182F

    #B0182F

    oklch(48.8% 0.183 20.9)

Open the analogous palette in the generator

Split complementary

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

  • #A51D6D

    #A51D6D

    oklch(48.8% 0.183 350.7)

  • #1B7400

    #1B7400

    oklch(48.8% 0.159 140.6)

  • #006E73

    #006E73

    oklch(48.9% 0.083 200.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A51D6D

    #A51D6D

    oklch(48.8% 0.183 350.7)

  • #636500

    #636500

    oklch(48.9% 0.107 111.1)

  • #00698D

    #00698D

    oklch(48.8% 0.098 230.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A51D6D

    #A51D6D

    oklch(48.8% 0.183 350.7)

  • #7D5800

    #7D5800

    oklch(48.7% 0.101 80.2)

  • #007158

    #007158

    oklch(48.8% 0.096 170.5)

  • #1657C5

    #1657C5

    oklch(48.7% 0.184 260.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A51D6D, closest first.

No curated palette has a color within ΔE 0.04 of #A51D6D.

Similar named colors

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

Use #A51D6D 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.