#A0091D

Closest named color: Carmine (#9D0216). oklch(44.8% 0.177 24.1), rgb(160, 9, 29).

Aa

White text reads best on this color (8.23:1).

About this color

#A0091D is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.177 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.010 away. White text reads best on it, at 8.23:1.

Hue familyReds
Lightnessdark (45%)
Chromavivid (0.177)
Temperaturewarm
Nearest nameCarmine (#9D0216)
Black text2.55:1
White text8.23:1

Values

HEX#A0091D
RGBrgb(160, 9, 29)
HSLhsl(352, 89%, 33%)
OKLCHoklch(44.8% 0.177 24.1)

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 #A0091D 8.23:1 AAA Lc -91.0 Preferred for body text
Black text on #A0091D 2.55:1 Fails Lc 17.8 Dividers and decoration only
#A0091D text on white 8.23:1 AAA Lc 86.2 Fine for body text
#A0091D text on black 2.55:1 Fails Lc -15.8 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 800.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FEE3E0

    oklch(93.7% 0.03 25.3)

  3. Step 200

    200

    #FDCBC7

    oklch(88.5% 0.057 23.6)

  4. Step 300

    300

    #FCA6A0

    oklch(80.8% 0.103 24)

  5. Step 400

    400

    #F6716C

    oklch(70.7% 0.165 24.3)

  6. Step 500

    500

    #EE3F45

    oklch(63.1% 0.211 24)

  7. Step 600

    600

    #D80027

    oklch(55.6% 0.225 24.2)

  8. Step 700

    700

    #B70020

    oklch(49.1% 0.199 24)

  9. Step 800

    800 (this color)

    #A0091D

    oklch(44.8% 0.177 24.1)

  10. Step 900

    900

    #7A1219

    oklch(37.6% 0.137 24.1)

  11. Step 950

    950

    #480E10

    oklch(26.9% 0.087 23.5)

Export this scale for Tailwind in the Tailwind colors tool

#A0091D 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)#423B1C0.195
Deuteranopia (no green cones)#6459160.176
Tritanopia (no blue cones)#B100150.036
Achromatopsia (no color)#4F4F4F0.178

Harmonies

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

Complementary

The opposite hue (180°).

  • #A0091D

    #A0091D

    oklch(44.8% 0.177 24.1)

  • #006168

    #006168

    oklch(44.9% 0.076 203.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A0091D

    #A0091D

    oklch(44.8% 0.177 24.1)

  • #970D5B

    #970D5B

    oklch(44.7% 0.177 354.1)

  • #834000

    #834000

    oklch(44.9% 0.112 54.1)

Open the analogous palette in the generator

Split complementary

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

  • #A0091D

    #A0091D

    oklch(44.8% 0.177 24.1)

  • #006451

    #006451

    oklch(44.9% 0.086 173.7)

  • #005C81

    #005C81

    oklch(44.8% 0.095 234.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A0091D

    #A0091D

    oklch(44.8% 0.177 24.1)

  • #006812

    #006812

    oklch(44.9% 0.145 144.1)

  • #1F49B5

    #1F49B5

    oklch(44.8% 0.178 264.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A0091D

    #A0091D

    oklch(44.8% 0.177 24.1)

  • #545A00

    #545A00

    oklch(44.7% 0.101 114.2)

  • #006168

    #006168

    oklch(44.9% 0.076 203.4)

  • #5E35AA

    #5E35AA

    oklch(44.7% 0.177 294.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A0091D, closest first.

Similar named colors

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

Use #A0091D 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.