#A00C0A

Closest named color: Carmine (#9D0216). oklch(44.8% 0.177 28.7), rgb(160, 12, 10).

Aa

White text reads best on this color (8.22:1).

About this color

#A00C0A is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.177 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.014 away. White text reads best on it, at 8.22:1.

Hue familyReds
Lightnessdark (45%)
Chromavivid (0.177)
Temperaturewarm
Nearest nameCarmine (#9D0216)
Black text2.55:1
White text8.22:1

Values

HEX#A00C0A
RGBrgb(160, 12, 10)
HSLhsl(1, 88%, 33%)
OKLCHoklch(44.8% 0.177 28.7)

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 #A00C0A 8.22:1 AAA Lc -91.1 Preferred for body text
Black text on #A00C0A 2.55:1 Fails Lc 17.8 Dividers and decoration only
#A00C0A text on white 8.22:1 AAA Lc 86.3 Fine for body text
#A00C0A 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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FDE3DF

    oklch(93.6% 0.029 28.1)

  3. Step 200

    200

    #FDCCC4

    oklch(88.6% 0.057 29)

  4. Step 300

    300

    #FCA79A

    oklch(80.9% 0.103 29)

  5. Step 400

    400

    #F67262

    oklch(70.6% 0.165 28.9)

  6. Step 500

    500

    #EE4135

    oklch(63.1% 0.211 28.6)

  7. Step 600

    600

    #D90006

    oklch(55.6% 0.228 28.8)

  8. Step 700

    700

    #B80004

    oklch(49.2% 0.201 28.8)

  9. Step 800

    800 (this color)

    #A00C0A

    oklch(44.8% 0.177 28.7)

  10. Step 900

    900

    #7B130E

    oklch(37.8% 0.139 28.7)

  11. Step 950

    950

    #480F0A

    oklch(26.9% 0.087 29.1)

Export this scale for Tailwind in the Tailwind colors tool

#A00C0A 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)#433B050.195
Deuteranopia (no green cones)#665A000.174
Tritanopia (no blue cones)#B100100.036
Achromatopsia (no color)#4F4F4F0.178

Harmonies

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

Complementary

The opposite hue (180°).

  • #A00C0A

    #A00C0A

    oklch(44.8% 0.177 28.7)

  • #00606B

    #00606B

    oklch(44.7% 0.077 208.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A00C0A

    #A00C0A

    oklch(44.8% 0.177 28.7)

  • #9A0953

    #9A0953

    oklch(44.9% 0.177 358.8)

  • #7F4300

    #7F4300

    oklch(44.8% 0.107 58.5)

Open the analogous palette in the generator

Split complementary

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

  • #A00C0A

    #A00C0A

    oklch(44.8% 0.177 28.7)

  • #006355

    #006355

    oklch(44.7% 0.082 178.6)

  • #005B86

    #005B86

    oklch(44.8% 0.101 238.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A00C0A

    #A00C0A

    oklch(44.8% 0.177 28.7)

  • #006728

    #006728

    oklch(44.8% 0.128 148.6)

  • #2E46B5

    #2E46B5

    oklch(44.8% 0.177 268.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A00C0A

    #A00C0A

    oklch(44.8% 0.177 28.7)

  • #4F5C00

    #4F5C00

    oklch(44.8% 0.105 118.8)

  • #00606B

    #00606B

    oklch(44.7% 0.077 208.4)

  • #6432A7

    #6432A7

    oklch(44.7% 0.177 298.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A00C0A, closest first.

No curated palette has a color within ΔE 0.04 of #A00C0A.

Similar named colors

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

Use #A00C0A 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.