#A61128

Closest named color: Rouge (#AB1239). oklch(46.5% 0.178 21.6), rgb(166, 17, 40).

Aa

White text reads best on this color (7.68:1).

About this color

#A61128 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.178 and its hue 22°. 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 7.68:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.178)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.73:1
White text7.68:1

Values

HEX#A61128
RGBrgb(166, 17, 40)
HSLhsl(351, 81%, 36%)
OKLCHoklch(46.5% 0.178 21.6)

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 #A61128 7.68:1 AAA Lc -89.6 Fine for body text
Black text on #A61128 2.73:1 Fails Lc 19.3 Dividers and decoration only
#A61128 text on white 7.68:1 AAA Lc 84.7 Fine for body text
#A61128 text on black 2.73:1 Fails Lc -17.3 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 700.

  1. Step 50

    50

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F7CDCB

    oklch(88.4% 0.048 21.3)

  4. Step 300

    300

    #F3ABA8

    oklch(80.9% 0.085 21.8)

  5. Step 400

    400

    #EA7B7A

    oklch(70.8% 0.137 21.7)

  6. Step 500

    500

    #E05358

    oklch(63.2% 0.176 21.6)

  7. Step 600

    600

    #CB2F3D

    oklch(55.6% 0.191 21.7)

  8. Step 700

    700 (this color)

    #A61128

    oklch(46.5% 0.178 21.6)

  9. Step 800

    800

    #8E1E28

    oklch(42.7% 0.147 21.7)

  10. Step 900

    900

    #722025

    oklch(37.6% 0.115 21.3)

  11. Step 950

    950

    #431416

    oklch(26.9% 0.073 21)

Export this scale for Tailwind in the Tailwind colors tool

#A61128 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)#453F270.197
Deuteranopia (no green cones)#695E220.179
Tritanopia (no blue cones)#B7001D0.035
Achromatopsia (no color)#5353530.179

Harmonies

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

Complementary

The opposite hue (180°).

  • #A61128

    #A61128

    oklch(46.5% 0.178 21.6)

  • #00666C

    #00666C

    oklch(46.4% 0.079 201.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A61128

    #A61128

    oklch(46.5% 0.178 21.6)

  • #9C1664

    #9C1664

    oklch(46.4% 0.178 351.7)

  • #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°).

  • #A61128

    #A61128

    oklch(46.5% 0.178 21.6)

  • #006953

    #006953

    oklch(46.4% 0.09 171.8)

  • #006285

    #006285

    oklch(46.6% 0.095 231.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A61128

    #A61128

    oklch(46.5% 0.178 21.6)

  • #0E6D00

    #0E6D00

    oklch(46.5% 0.155 141.6)

  • #1850BB

    #1850BB

    oklch(46.5% 0.179 261.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A61128

    #A61128

    oklch(46.5% 0.178 21.6)

  • #5C5E00

    #5C5E00

    oklch(46.5% 0.102 111.2)

  • #00666C

    #00666C

    oklch(46.4% 0.079 201.9)

  • #5F3CB2

    #5F3CB2

    oklch(46.5% 0.177 291.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A61128, closest first.

Similar named colors

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

Use #A61128 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.