#A12B18

Closest named color: Burnt Red (#9F2305). oklch(47.2% 0.157 31.9), rgb(161, 43, 24).

Aa

White text reads best on this color (7.30:1).

About this color

#A12B18 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.157 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Red (#9F2305), ΔE 0.015 away. White text reads best on it, at 7.30:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.157)
Temperaturewarm
Nearest nameBurnt Red (#9F2305)
Black text2.87:1
White text7.30:1

Values

HEX#A12B18
RGBrgb(161, 43, 24)
HSLhsl(8, 74%, 36%)
OKLCHoklch(47.2% 0.157 31.9)

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 #A12B18 7.30:1 AAA Lc -89.1 Fine for body text
Black text on #A12B18 2.87:1 Fails Lc 19.9 Dividers and decoration only
#A12B18 text on white 7.30:1 AAA Lc 84.1 Fine for body text
#A12B18 text on black 2.87:1 Fails Lc -17.8 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 700.

  1. Step 50

    50

    #FCF3F1

    oklch(97.1% 0.01 32.5)

  2. Step 100

    100

    #F8E5E1

    oklch(93.6% 0.022 31.8)

  3. Step 200

    200

    #F4D0C8

    oklch(88.6% 0.042 32.6)

  4. Step 300

    300

    #EEAFA2

    oklch(80.9% 0.077 31.9)

  5. Step 400

    400

    #E28270

    oklch(70.6% 0.122 31.6)

  6. Step 500

    500

    #D75F4A

    oklch(63.1% 0.156 31.8)

  7. Step 600

    600

    #C2412C

    oklch(55.6% 0.169 31.8)

  8. Step 700

    700 (this color)

    #A12B18

    oklch(47.2% 0.157 31.9)

  9. Step 800

    800

    #882B1B

    oklch(42.8% 0.13 32.2)

  10. Step 900

    900

    #6D281C

    oklch(37.6% 0.101 32)

  11. Step 950

    950

    #401811

    oklch(26.8% 0.064 31.7)

Export this scale for Tailwind in the Tailwind colors tool

#A12B18 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)#4F46140.166
Deuteranopia (no green cones)#6C60110.151
Tritanopia (no blue cones)#B200280.050
Achromatopsia (no color)#5656560.159

Harmonies

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

Complementary

The opposite hue (180°).

  • #A12B18

    #A12B18

    oklch(47.2% 0.157 31.9)

  • #006776

    #006776

    oklch(47.2% 0.082 212)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A12B18

    #A12B18

    oklch(47.2% 0.157 31.9)

  • #9D2755

    #9D2755

    oklch(47.3% 0.157 1.8)

  • #864B00

    #864B00

    oklch(47.3% 0.109 62)

Open the analogous palette in the generator

Split complementary

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

  • #A12B18

    #A12B18

    oklch(47.2% 0.157 31.9)

  • #006B5F

    #006B5F

    oklch(47.3% 0.085 181.6)

  • #006194

    #006194

    oklch(47.2% 0.112 241.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A12B18

    #A12B18

    oklch(47.2% 0.157 31.9)

  • #006E36

    #006E36

    oklch(47.1% 0.124 152.1)

  • #3F4FB2

    #3F4FB2

    oklch(47.2% 0.157 272)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A12B18

    #A12B18

    oklch(47.2% 0.157 31.9)

  • #516500

    #516500

    oklch(47.3% 0.115 122.1)

  • #006776

    #006776

    oklch(47.2% 0.082 212)

  • #6D3FA3

    #6D3FA3

    oklch(47.3% 0.156 301.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A12B18, closest first.

Similar named colors

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

Use #A12B18 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.