#A91C64

Closest named color: Violet Red (#A50055). oklch(49.1% 0.183 356), rgb(169, 28, 100).

Aa

White text reads best on this color (6.91:1).

About this color

#A91C64 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.183 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.028 away. White text reads best on it, at 6.91:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.183)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text3.03:1
White text6.91:1

Values

HEX#A91C64
RGBrgb(169, 28, 100)
HSLhsl(329, 72%, 39%)
OKLCHoklch(49.1% 0.183 356)

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 #A91C64 6.91:1 AA Lc -87.4 Fine for body text
Black text on #A91C64 3.03:1 AA large text Lc 21.7 Dividers and decoration only
#A91C64 text on white 6.91:1 AA Lc 82.3 Fine for body text
#A91C64 text on black 3.03:1 AA large text Lc -19.6 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

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #F9E3EA

    oklch(93.6% 0.026 356.3)

  3. Step 200

    200

    #F5CCDA

    oklch(88.4% 0.049 355.6)

  4. Step 300

    300

    #F0A9C2

    oklch(80.9% 0.089 356.4)

  5. Step 400

    400

    #E478A3

    oklch(70.6% 0.141 356.1)

  6. Step 500

    500

    #D9508D

    oklch(63.1% 0.181 356)

  7. Step 600

    600

    #C42C77

    oklch(55.6% 0.197 355.9)

  8. Step 700

    700 (this color)

    #A91C64

    oklch(49.1% 0.183 356)

  9. Step 800

    800

    #891B52

    oklch(42.6% 0.152 355.6)

  10. Step 900

    900

    #6F1F44

    oklch(37.8% 0.118 355.9)

  11. Step 950

    950

    #411428

    oklch(27.1% 0.074 355.6)

Export this scale for Tailwind in the Tailwind colors tool

#A91C64 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)#3D49660.207
Deuteranopia (no green cones)#6463610.183
Tritanopia (no blue cones)#B7003E0.062
Achromatopsia (no color)#5A5A5A0.184

Harmonies

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

Complementary

The opposite hue (180°).

  • #A91C64

    #A91C64

    oklch(49.1% 0.183 356)

  • #00715F

    #00715F

    oklch(49% 0.091 176.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A91C64

    #A91C64

    oklch(49.1% 0.183 356)

  • #922D97

    #922D97

    oklch(49.2% 0.183 325.9)

  • #B11C21

    #B11C21

    oklch(49.1% 0.183 26)

Open the analogous palette in the generator

Split complementary

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

  • #A91C64

    #A91C64

    oklch(49.1% 0.183 356)

  • #007623

    #007623

    oklch(49.2% 0.15 146)

  • #006E78

    #006E78

    oklch(49.1% 0.084 205.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A91C64

    #A91C64

    oklch(49.1% 0.183 356)

  • #5E6800

    #5E6800

    oklch(49.2% 0.113 116.2)

  • #006994

    #006994

    oklch(49.2% 0.105 235.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A91C64

    #A91C64

    oklch(49.1% 0.183 356)

  • #7A5C00

    #7A5C00

    oklch(49.2% 0.101 86.4)

  • #00715F

    #00715F

    oklch(49% 0.091 176.5)

  • #2F54C7

    #2F54C7

    oklch(49.1% 0.184 266.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A91C64, closest first.

No curated palette has a color within ΔE 0.04 of #A91C64.

Similar named colors

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

Use #A91C64 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.