#A4163A

Closest named color: Rouge (#AB1239). oklch(46.6% 0.173 14.6), rgb(164, 22, 58).

Aa

White text reads best on this color (7.62:1).

About this color

#A4163A is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.173 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.014 away. White text reads best on it, at 7.62:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.173)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.75:1
White text7.62:1

Values

HEX#A4163A
RGBrgb(164, 22, 58)
HSLhsl(345, 76%, 36%)
OKLCHoklch(46.6% 0.173 14.6)

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 #A4163A 7.62:1 AAA Lc -89.6 Fine for body text
Black text on #A4163A 2.75:1 Fails Lc 19.3 Dividers and decoration only
#A4163A text on white 7.62:1 AAA Lc 84.7 Fine for body text
#A4163A text on black 2.75:1 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

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #FAE4E5

    oklch(93.7% 0.024 14.4)

  3. Step 200

    200

    #F6CDCF

    oklch(88.4% 0.046 14.8)

  4. Step 300

    300

    #F2ABB0

    oklch(81% 0.084 14.4)

  5. Step 400

    400

    #E77B86

    oklch(70.7% 0.133 14.7)

  6. Step 500

    500

    #DD5468

    oklch(63.2% 0.171 14.8)

  7. Step 600

    600

    #C83150

    oklch(55.6% 0.186 14.4)

  8. Step 700

    700 (this color)

    #A4163A

    oklch(46.6% 0.173 14.6)

  9. Step 800

    800

    #8C1F35

    oklch(42.7% 0.144 14.7)

  10. Step 900

    900

    #71212E

    oklch(37.7% 0.112 14.9)

  11. Step 950

    950

    #42151B

    oklch(27% 0.07 15.1)

Export this scale for Tailwind in the Tailwind colors tool

#A4163A 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)#43413A0.194
Deuteranopia (no green cones)#665E360.177
Tritanopia (no blue cones)#B400270.038
Achromatopsia (no color)#5454540.175

Harmonies

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

Complementary

The opposite hue (180°).

  • #A4163A

    #A4163A

    oklch(46.6% 0.173 14.6)

  • #006767

    #006767

    oklch(46.5% 0.079 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A4163A

    #A4163A

    oklch(46.6% 0.173 14.6)

  • #971F70

    #971F70

    oklch(46.7% 0.174 344.7)

  • #943A00

    #943A00

    oklch(46.7% 0.134 44.6)

Open the analogous palette in the generator

Split complementary

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

  • #A4163A

    #A4163A

    oklch(46.6% 0.173 14.6)

  • #006B4B

    #006B4B

    oklch(46.7% 0.099 164.2)

  • #00647E

    #00647E

    oklch(46.7% 0.088 223.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A4163A

    #A4163A

    oklch(46.6% 0.173 14.6)

  • #366900

    #366900

    oklch(46.6% 0.135 134.4)

  • #0058AB

    #0058AB

    oklch(46.6% 0.151 254.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A4163A

    #A4163A

    oklch(46.6% 0.173 14.6)

  • #635C00

    #635C00

    oklch(46.7% 0.099 104.4)

  • #006767

    #006767

    oklch(46.5% 0.079 194.8)

  • #5442B5

    #5442B5

    oklch(46.6% 0.174 284.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A4163A, closest first.

Similar named colors

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

Use #A4163A 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.