#C91766

Closest named color: Dark Hot Pink (#D90166). oklch(54.7% 0.21 2.4), rgb(201, 23, 102).

Aa

White text reads best on this color (5.52:1).

About this color

#C91766 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.210 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Hot Pink (#D90166), ΔE 0.031 away. White text reads best on it, at 5.52:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.210)
Temperaturewarm
Nearest nameDark Hot Pink (#D90166)
Black text3.79:1
White text5.52:1

Values

HEX#C91766
RGBrgb(201, 23, 102)
HSLhsl(333, 79%, 44%)
OKLCHoklch(54.7% 0.21 2.4)

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 #C91766 5.52:1 AA Lc -81.0 Fine for body text
Black text on #C91766 3.79:1 AA large text Lc 28.5 Dividers and decoration only
#C91766 text on white 5.52:1 AA Lc 75.6 Fine for body text
#C91766 text on black 3.79:1 AA large text Lc -26.1 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 600.

  1. Step 50

    50

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FBE3E8

    oklch(93.7% 0.027 3.4)

  3. Step 200

    200

    #F8CBD6

    oklch(88.4% 0.053 1.9)

  4. Step 300

    300

    #F5A7BB

    oklch(80.9% 0.095 2.6)

  5. Step 400

    400

    #EB7498

    oklch(70.6% 0.151 2.6)

  6. Step 500

    500

    #E1487F

    oklch(63% 0.193 2.5)

  7. Step 600

    600 (this color)

    #C91766

    oklch(54.7% 0.21 2.4)

  8. Step 700

    700

    #B00657

    oklch(49.1% 0.195 2.4)

  9. Step 800

    800

    #8F1047

    oklch(42.7% 0.162 2.6)

  10. Step 900

    900

    #73193C

    oklch(37.7% 0.126 2.1)

  11. Step 950

    950

    #441123

    oklch(27% 0.08 2.5)

Export this scale for Tailwind in the Tailwind colors tool

#C91766 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)#4B53680.239
Deuteranopia (no green cones)#7974620.213
Tritanopia (no blue cones)#DB003F0.064
Achromatopsia (no color)#6969690.212

Harmonies

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

Complementary

The opposite hue (180°).

  • #C91766

    #C91766

    oklch(54.7% 0.21 2.4)

  • #008375

    #008375

    oklch(54.7% 0.098 182)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C91766

    #C91766

    oklch(54.7% 0.21 2.4)

  • #B12DA4

    #B12DA4

    oklch(54.6% 0.209 332.5)

  • #CD2600

    #CD2600

    oklch(54.8% 0.205 32.5)

Open the analogous palette in the generator

Split complementary

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

  • #C91766

    #C91766

    oklch(54.7% 0.21 2.4)

  • #008745

    #008745

    oklch(54.6% 0.142 152.5)

  • #007F91

    #007F91

    oklch(54.7% 0.095 211.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C91766

    #C91766

    oklch(54.7% 0.21 2.4)

  • #637C00

    #637C00

    oklch(54.7% 0.133 122.6)

  • #0077B6

    #0077B6

    oklch(54.6% 0.131 242.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C91766

    #C91766

    oklch(54.7% 0.21 2.4)

  • #886E00

    #886E00

    oklch(54.8% 0.112 92.4)

  • #008375

    #008375

    oklch(54.7% 0.098 182)

  • #4C5CE8

    #4C5CE8

    oklch(54.7% 0.21 272.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C91766, closest first.

Similar named colors

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

Use #C91766 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.