#A0122D

Closest named color: Auburn (#9B2226). oklch(45.4% 0.172 19.2), rgb(160, 18, 45).

Aa

White text reads best on this color (8.01:1).

About this color

#A0122D is a medium-dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.172 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.022 away. White text reads best on it, at 8.01:1.

Hue familyReds
Lightnessmedium-dark (45%)
Chromavivid (0.172)
Temperaturewarm
Nearest nameAuburn (#9B2226)
Black text2.61:1
White text8.01:1

Values

HEX#A0122D
RGBrgb(160, 18, 45)
HSLhsl(349, 80%, 35%)
OKLCHoklch(45.4% 0.172 19.2)

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 #A0122D 8.01:1 AAA Lc -90.7 Preferred for body text
Black text on #A0122D 2.61:1 Fails Lc 18.1 Dividers and decoration only
#A0122D text on white 8.01:1 AAA Lc 85.9 Fine for body text
#A0122D text on black 2.61:1 Fails Lc -16.2 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FDE3E2

    oklch(93.7% 0.029 20.3)

  3. Step 200

    200

    #FCCBCA

    oklch(88.4% 0.056 19.6)

  4. Step 300

    300

    #FBA6A7

    oklch(80.9% 0.101 18.7)

  5. Step 400

    400

    #F47178

    oklch(70.6% 0.161 18.9)

  6. Step 500

    500

    #EB4155

    oklch(63% 0.205 19.1)

  7. Step 600

    600

    #D7003A

    oklch(55.7% 0.223 19.3)

  8. Step 700

    700

    #B60030

    oklch(49.1% 0.197 19.1)

  9. Step 800

    800 (this color)

    #A0122D

    oklch(45.4% 0.172 19.2)

  10. Step 900

    900

    #791423

    oklch(37.7% 0.134 19.3)

  11. Step 950

    950

    #470F15

    oklch(26.9% 0.084 19.1)

Export this scale for Tailwind in the Tailwind colors tool

#A0122D 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)#423E2D0.191
Deuteranopia (no green cones)#645B280.175
Tritanopia (no blue cones)#B0001F0.035
Achromatopsia (no color)#5050500.173

Harmonies

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

Complementary

The opposite hue (180°).

  • #A0122D

    #A0122D

    oklch(45.4% 0.172 19.2)

  • #006367

    #006367

    oklch(45.4% 0.077 199.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A0122D

    #A0122D

    oklch(45.4% 0.172 19.2)

  • #951965

    #951965

    oklch(45.4% 0.172 349.1)

  • #8A3D00

    #8A3D00

    oklch(45.5% 0.122 49.3)

Open the analogous palette in the generator

Split complementary

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

  • #A0122D

    #A0122D

    oklch(45.4% 0.172 19.2)

  • #00664E

    #00664E

    oklch(45.4% 0.09 169.5)

  • #005F7E

    #005F7E

    oklch(45.4% 0.09 229.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A0122D

    #A0122D

    oklch(45.4% 0.172 19.2)

  • #216800

    #216800

    oklch(45.5% 0.144 139.2)

  • #074FB3

    #074FB3

    oklch(45.3% 0.172 259.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A0122D

    #A0122D

    oklch(45.4% 0.172 19.2)

  • #5B5A00

    #5B5A00

    oklch(45.4% 0.098 109)

  • #006367

    #006367

    oklch(45.4% 0.077 199.6)

  • #583CAD

    #583CAD

    oklch(45.4% 0.171 289.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A0122D, closest first.

Similar named colors

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

Use #A0122D 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.