#A10F17

Closest named color: Carmine (#9D0216). oklch(45.2% 0.176 26.4), rgb(161, 15, 23).

Aa

White text reads best on this color (8.08:1).

About this color

#A10F17 is a medium-dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.176 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.013 away. White text reads best on it, at 8.08:1.

Hue familyReds
Lightnessmedium-dark (45%)
Chromavivid (0.176)
Temperaturewarm
Nearest nameCarmine (#9D0216)
Black text2.59:1
White text8.08:1

Values

HEX#A10F17
RGBrgb(161, 15, 23)
HSLhsl(357, 83%, 35%)
OKLCHoklch(45.2% 0.176 26.4)

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 #A10F17 8.08:1 AAA Lc -90.8 Preferred for body text
Black text on #A10F17 2.59:1 Fails Lc 18.1 Dividers and decoration only
#A10F17 text on white 8.08:1 AAA Lc 85.9 Fine for body text
#A10F17 text on black 2.59:1 Fails Lc -16.1 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 800.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FDE3DF

    oklch(93.6% 0.029 28.1)

  3. Step 200

    200

    #FDCBC5

    oklch(88.4% 0.058 26.2)

  4. Step 300

    300

    #FCA79D

    oklch(80.9% 0.102 26.9)

  5. Step 400

    400

    #F67268

    oklch(70.7% 0.164 26.4)

  6. Step 500

    500

    #EE413E

    oklch(63.2% 0.21 26.4)

  7. Step 600

    600

    #D8001B

    oklch(55.5% 0.226 26.4)

  8. Step 700

    700

    #B70015

    oklch(49% 0.2 26.4)

  9. Step 800

    800 (this color)

    #A10F17

    oklch(45.2% 0.176 26.4)

  10. Step 900

    900

    #7A1315

    oklch(37.6% 0.137 26.1)

  11. Step 950

    950

    #480F0D

    oklch(27% 0.087 26.8)

Export this scale for Tailwind in the Tailwind colors tool

#A10F17 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)#443C150.193
Deuteranopia (no green cones)#665B0E0.175
Tritanopia (no blue cones)#B200150.035
Achromatopsia (no color)#5050500.177

Harmonies

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

Complementary

The opposite hue (180°).

  • #A10F17

    #A10F17

    oklch(45.2% 0.176 26.4)

  • #00626B

    #00626B

    oklch(45.3% 0.077 205.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A10F17

    #A10F17

    oklch(45.2% 0.176 26.4)

  • #990F58

    #990F58

    oklch(45.1% 0.176 356.3)

  • #824200

    #824200

    oklch(45.1% 0.11 56.2)

Open the analogous palette in the generator

Split complementary

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

  • #A10F17

    #A10F17

    oklch(45.2% 0.176 26.4)

  • #006554

    #006554

    oklch(45.3% 0.085 175.8)

  • #005D85

    #005D85

    oklch(45.3% 0.098 236.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A10F17

    #A10F17

    oklch(45.2% 0.176 26.4)

  • #006920

    #006920

    oklch(45.3% 0.137 146.4)

  • #2949B6

    #2949B6

    oklch(45.2% 0.176 266.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A10F17

    #A10F17

    oklch(45.2% 0.176 26.4)

  • #535C00

    #535C00

    oklch(45.1% 0.103 116.2)

  • #00626B

    #00626B

    oklch(45.3% 0.077 205.8)

  • #6235A9

    #6235A9

    oklch(45.1% 0.176 296.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A10F17, closest first.

Similar named colors

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

Use #A10F17 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.