#A91B73

Closest named color: Red Violet (#9E0168). oklch(49.6% 0.191 349), rgb(169, 27, 115).

Aa

White text reads best on this color (6.79:1).

About this color

#A91B73 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.191 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.035 away. White text reads best on it, at 6.79:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.191)
Temperaturewarm
Nearest nameRed Violet (#9E0168)
Black text3.09:1
White text6.79:1

Values

HEX#A91B73
RGBrgb(169, 27, 115)
HSLhsl(323, 72%, 38%)
OKLCHoklch(49.6% 0.191 349)

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 #A91B73 6.79:1 AA Lc -86.9 Fine for body text
Black text on #A91B73 3.09:1 AA large text Lc 22.2 Dividers and decoration only
#A91B73 text on white 6.79:1 AA Lc 81.8 Fine for body text
#A91B73 text on black 3.09:1 AA large text Lc -20.1 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

    #FCF2F7

    oklch(97% 0.013 345.5)

  2. Step 100

    100

    #F9E3ED

    oklch(93.6% 0.027 348.3)

  3. Step 200

    200

    #F4CCDE

    oklch(88.5% 0.051 349.3)

  4. Step 300

    300

    #EEA8CA

    oklch(80.8% 0.093 348.7)

  5. Step 400

    400

    #E377AF

    oklch(70.8% 0.148 349.2)

  6. Step 500

    500

    #D74E9B

    oklch(63.1% 0.188 349.1)

  7. Step 600

    600

    #C22986

    oklch(55.6% 0.205 348.9)

  8. Step 700

    700 (this color)

    #A91B73

    oklch(49.6% 0.191 349)

  9. Step 800

    800

    #88195C

    oklch(42.7% 0.158 349.3)

  10. Step 900

    900

    #6D1D4C

    oklch(37.6% 0.123 348.5)

  11. Step 950

    950

    #40132C

    oklch(26.9% 0.077 349.1)

Export this scale for Tailwind in the Tailwind colors tool

#A91B73 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)#364B750.215
Deuteranopia (no green cones)#6064700.188
Tritanopia (no blue cones)#B60E460.075
Achromatopsia (no color)#5B5B5B0.192

Harmonies

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

Complementary

The opposite hue (180°).

  • #A91B73

    #A91B73

    oklch(49.6% 0.191 349)

  • #007458

    #007458

    oklch(49.7% 0.1 168.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A91B73

    #A91B73

    oklch(49.6% 0.191 349)

  • #8E2FA5

    #8E2FA5

    oklch(49.6% 0.191 319.1)

  • #B51234

    #B51234

    oklch(49.6% 0.19 18.9)

Open the analogous palette in the generator

Split complementary

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

  • #A91B73

    #A91B73

    oklch(49.6% 0.191 349)

  • #287600

    #287600

    oklch(49.8% 0.157 139)

  • #007074

    #007074

    oklch(49.5% 0.084 199.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A91B73

    #A91B73

    oklch(49.6% 0.191 349)

  • #686600

    #686600

    oklch(49.6% 0.107 108.4)

  • #006C8E

    #006C8E

    oklch(49.7% 0.098 228.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A91B73

    #A91B73

    oklch(49.6% 0.191 349)

  • #815A00

    #815A00

    oklch(49.6% 0.103 79.3)

  • #007458

    #007458

    oklch(49.7% 0.1 168.7)

  • #035ACC

    #035ACC

    oklch(49.7% 0.191 259.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A91B73, closest first.

No curated palette has a color within ΔE 0.04 of #A91B73.

Similar named colors

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

Use #A91B73 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.