#A90226

Closest named color: Rouge (#AB1239). oklch(46.5% 0.186 21.4), rgb(169, 2, 38).

Aa

White text reads best on this color (7.71:1).

About this color

#A90226 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.186 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.023 away. White text reads best on it, at 7.71:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.186)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.72:1
White text7.71:1

Values

HEX#A90226
RGBrgb(169, 2, 38)
HSLhsl(347, 98%, 34%)
OKLCHoklch(46.5% 0.186 21.4)

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 #A90226 7.71:1 AAA Lc -89.2 Fine for body text
Black text on #A90226 2.72:1 Fails Lc 19.7 Dividers and decoration only
#A90226 text on white 7.71:1 AAA Lc 84.3 Fine for body text
#A90226 text on black 2.72:1 Fails Lc -17.7 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FBE3E2

    oklch(93.5% 0.026 20.5)

  3. Step 200

    200

    #F9CDCB

    oklch(88.6% 0.05 21.2)

  4. Step 300

    300

    #F6AAA7

    oklch(81% 0.09 21.8)

  5. Step 400

    400

    #ED7878

    oklch(70.7% 0.145 21.4)

  6. Step 500

    500

    #E34E56

    oklch(63% 0.185 21.2)

  7. Step 600

    600

    #CE283B

    oklch(55.5% 0.199 21.4)

  8. Step 700

    700 (this color)

    #A90226

    oklch(46.5% 0.186 21.4)

  9. Step 800

    800

    #911826

    oklch(42.8% 0.155 21.5)

  10. Step 900

    900

    #741D24

    oklch(37.6% 0.12 20.9)

  11. Step 950

    950

    #451315

    oklch(27.1% 0.077 21.6)

Export this scale for Tailwind in the Tailwind colors tool

#A90226 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)#443E250.207
Deuteranopia (no green cones)#695E200.188
Tritanopia (no blue cones)#BB00160.041
Achromatopsia (no color)#5353530.188

Harmonies

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

Complementary

The opposite hue (180°).

  • #A90226

    #A90226

    oklch(46.5% 0.186 21.4)

  • #00666C

    #00666C

    oklch(46.4% 0.079 201.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A90226

    #A90226

    oklch(46.5% 0.186 21.4)

  • #9E0D65

    #9E0D65

    oklch(46.4% 0.186 351.4)

  • #8C4100

    #8C4100

    oklch(46.5% 0.121 51.3)

Open the analogous palette in the generator

Split complementary

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

  • #A90226

    #A90226

    oklch(46.5% 0.186 21.4)

  • #006953

    #006953

    oklch(46.4% 0.09 171.8)

  • #006284

    #006284

    oklch(46.5% 0.094 230.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A90226

    #A90226

    oklch(46.5% 0.186 21.4)

  • #126D00

    #126D00

    oklch(46.6% 0.154 141.3)

  • #114FBF

    #114FBF

    oklch(46.5% 0.186 261.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A90226

    #A90226

    oklch(46.5% 0.186 21.4)

  • #5C5E00

    #5C5E00

    oklch(46.5% 0.102 111.2)

  • #00666C

    #00666C

    oklch(46.4% 0.079 201.9)

  • #5F39B7

    #5F39B7

    oklch(46.5% 0.187 291.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A90226, closest first.

Similar named colors

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

Use #A90226 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.