#A30551

Closest named color: Violet Red (#A50055). oklch(46.4% 0.185 2), rgb(163, 5, 81).

Aa

White text reads best on this color (7.78:1).

About this color

#A30551 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.185 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 7.78:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.185)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text2.69:1
White text7.78:1

Values

HEX#A30551
RGBrgb(163, 5, 81)
HSLhsl(331, 94%, 33%)
OKLCHoklch(46.4% 0.185 2)

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 #A30551 7.78:1 AAA Lc -89.7 Fine for body text
Black text on #A30551 2.69:1 Fails Lc 19.2 Dividers and decoration only
#A30551 text on white 7.78:1 AAA Lc 84.8 Fine for body text
#A30551 text on black 2.69:1 Fails Lc -17.2 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3E8

    oklch(93.6% 0.026 2.8)

  3. Step 200

    200

    #F7CCD6

    oklch(88.5% 0.05 2.5)

  4. Step 300

    300

    #F2A9BC

    oklch(81% 0.089 2.2)

  5. Step 400

    400

    #E8779A

    oklch(70.7% 0.144 1.8)

  6. Step 500

    500

    #DD4E81

    oklch(63.1% 0.183 1.9)

  7. Step 600

    600

    #C8286A

    oklch(55.5% 0.199 2)

  8. Step 700

    700 (this color)

    #A30551

    oklch(46.4% 0.185 2)

  9. Step 800

    800

    #8C1948

    oklch(42.7% 0.153 2.2)

  10. Step 900

    900

    #711D3D

    oklch(37.7% 0.12 1.7)

  11. Step 950

    950

    #421323

    oklch(26.9% 0.075 2.4)

Export this scale for Tailwind in the Tailwind colors tool

#A30551 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)#3940520.210
Deuteranopia (no green cones)#605C4E0.187
Tritanopia (no blue cones)#B2002E0.061
Achromatopsia (no color)#5252520.186

Harmonies

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

Complementary

The opposite hue (180°).

  • #A30551

    #A30551

    oklch(46.4% 0.185 2)

  • #00685D

    #00685D

    oklch(46.4% 0.083 182.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A30551

    #A30551

    oklch(46.4% 0.185 2)

  • #8F1E85

    #8F1E85

    oklch(46.4% 0.184 332.2)

  • #A51A00

    #A51A00

    oklch(46.4% 0.176 32)

Open the analogous palette in the generator

Split complementary

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

  • #A30551

    #A30551

    oklch(46.4% 0.185 2)

  • #006C34

    #006C34

    oklch(46.5% 0.123 151.8)

  • #006573

    #006573

    oklch(46.5% 0.081 211.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A30551

    #A30551

    oklch(46.4% 0.185 2)

  • #4F6200

    #4F6200

    oklch(46.4% 0.112 121.9)

  • #005F91

    #005F91

    oklch(46.5% 0.11 241.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A30551

    #A30551

    oklch(46.4% 0.185 2)

  • #6C5700

    #6C5700

    oklch(46.5% 0.095 92.5)

  • #00685D

    #00685D

    oklch(46.4% 0.083 182.4)

  • #3A47BE

    #3A47BE

    oklch(46.4% 0.185 272.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A30551, closest first.

Similar named colors

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

Use #A30551 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.