#A11228

Closest named color: Auburn (#9B2226). oklch(45.5% 0.173 21.3), rgb(161, 18, 40).

Aa

White text reads best on this color (7.97:1).

About this color

#A11228 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.173 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.019 away. White text reads best on it, at 7.97:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.173)
Temperaturewarm
Nearest nameAuburn (#9B2226)
Black text2.63:1
White text7.97:1

Values

HEX#A11228
RGBrgb(161, 18, 40)
HSLhsl(351, 80%, 35%)
OKLCHoklch(45.5% 0.173 21.3)

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 #A11228 7.97:1 AAA Lc -90.6 Preferred for body text
Black text on #A11228 2.63:1 Fails Lc 18.3 Dividers and decoration only
#A11228 text on white 7.97:1 AAA Lc 85.7 Fine for body text
#A11228 text on black 2.63:1 Fails Lc -16.3 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

    #FDE3E1

    oklch(93.6% 0.029 23)

  3. Step 200

    200

    #FCCBC9

    oklch(88.4% 0.056 21)

  4. Step 300

    300

    #FBA6A4

    oklch(80.8% 0.101 21)

  5. Step 400

    400

    #F57173

    oklch(70.7% 0.163 21.2)

  6. Step 500

    500

    #EC414F

    oklch(63.1% 0.207 21.2)

  7. Step 600

    600

    #D70033

    oklch(55.6% 0.224 21.2)

  8. Step 700

    700

    #B60029

    oklch(49% 0.197 21.4)

  9. Step 800

    800 (this color)

    #A11228

    oklch(45.5% 0.173 21.3)

  10. Step 900

    900

    #79141F

    oklch(37.7% 0.134 21.5)

  11. Step 950

    950

    #480F13

    oklch(27.1% 0.086 21.3)

Export this scale for Tailwind in the Tailwind colors tool

#A11228 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)#433E270.192
Deuteranopia (no green cones)#655B230.174
Tritanopia (no blue cones)#B2001D0.035
Achromatopsia (no color)#5151510.174

Harmonies

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

Complementary

The opposite hue (180°).

  • #A11228

    #A11228

    oklch(45.5% 0.173 21.3)

  • #006369

    #006369

    oklch(45.5% 0.077 202.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A11228

    #A11228

    oklch(45.5% 0.173 21.3)

  • #971762

    #971762

    oklch(45.5% 0.173 351.2)

  • #883F00

    #883F00

    oklch(45.5% 0.118 51.4)

Open the analogous palette in the generator

Split complementary

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

  • #A11228

    #A11228

    oklch(45.5% 0.173 21.3)

  • #006650

    #006650

    oklch(45.4% 0.089 171.3)

  • #005F81

    #005F81

    oklch(45.6% 0.093 231.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A11228

    #A11228

    oklch(45.5% 0.173 21.3)

  • #116A00

    #116A00

    oklch(45.7% 0.151 141.3)

  • #164EB5

    #164EB5

    oklch(45.5% 0.173 261.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A11228

    #A11228

    oklch(45.5% 0.173 21.3)

  • #595B00

    #595B00

    oklch(45.4% 0.1 111.3)

  • #006369

    #006369

    oklch(45.5% 0.077 202.1)

  • #5C3BAD

    #5C3BAD

    oklch(45.6% 0.172 291.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A11228, closest first.

Similar named colors

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

Use #A11228 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.