#A10B51

Closest named color: Violet Red (#A50055). oklch(46.2% 0.181 1.8), rgb(161, 11, 81).

Aa

White text reads best on this color (7.82:1).

About this color

#A10B51 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.181 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.011 away. White text reads best on it, at 7.82:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.181)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text2.68:1
White text7.82:1

Values

HEX#A10B51
RGBrgb(161, 11, 81)
HSLhsl(332, 87%, 34%)
OKLCHoklch(46.2% 0.181 1.8)

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 #A10B51 7.82:1 AAA Lc -90.0 Preferred for body text
Black text on #A10B51 2.68:1 Fails Lc 18.9 Dividers and decoration only
#A10B51 text on white 7.82:1 AAA Lc 85.2 Fine for body text
#A10B51 text on black 2.68:1 Fails Lc -16.9 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

    #E6789A

    oklch(70.6% 0.14 1.7)

  6. Step 500

    500

    #DB5081

    oklch(63% 0.178 1.9)

  7. Step 600

    600

    #C72C6B

    oklch(55.7% 0.195 1.8)

  8. Step 700

    700 (this color)

    #A10B51

    oklch(46.2% 0.181 1.8)

  9. Step 800

    800

    #8B1B49

    oklch(42.7% 0.15 1.7)

  10. Step 900

    900

    #701F3D

    oklch(37.8% 0.116 1.9)

  11. Step 950

    950

    #421424

    oklch(27.1% 0.073 1.7)

Export this scale for Tailwind in the Tailwind colors tool

#A10B51 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)#3940520.206
Deuteranopia (no green cones)#5F5C4E0.185
Tritanopia (no blue cones)#B000300.058
Achromatopsia (no color)#5252520.182

Harmonies

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

Complementary

The opposite hue (180°).

  • #A10B51

    #A10B51

    oklch(46.2% 0.181 1.8)

  • #00675C

    #00675C

    oklch(46.1% 0.082 182.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A10B51

    #A10B51

    oklch(46.2% 0.181 1.8)

  • #8D2084

    #8D2084

    oklch(46.1% 0.18 331.8)

  • #A41900

    #A41900

    oklch(46.2% 0.176 31.9)

Open the analogous palette in the generator

Split complementary

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

  • #A10B51

    #A10B51

    oklch(46.2% 0.181 1.8)

  • #006B34

    #006B34

    oklch(46.2% 0.122 152)

  • #006472

    #006472

    oklch(46.2% 0.08 211.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A10B51

    #A10B51

    oklch(46.2% 0.181 1.8)

  • #4F6100

    #4F6100

    oklch(46.1% 0.111 121.4)

  • #005E90

    #005E90

    oklch(46.2% 0.11 242.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A10B51

    #A10B51

    oklch(46.2% 0.181 1.8)

  • #6C5600

    #6C5600

    oklch(46.2% 0.095 91.5)

  • #00675C

    #00675C

    oklch(46.1% 0.082 182.3)

  • #3948BB

    #3948BB

    oklch(46.3% 0.18 271.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A10B51, closest first.

Similar named colors

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

Use #A10B51 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.