#A81240

Closest named color: Rouge (#AB1239). oklch(47.3% 0.18 12), rgb(168, 18, 64).

Aa

White text reads best on this color (7.43:1).

About this color

#A81240 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.180 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.012 away. White text reads best on it, at 7.43:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.180)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.82:1
White text7.43:1

Values

HEX#A81240
RGBrgb(168, 18, 64)
HSLhsl(342, 81%, 36%)
OKLCHoklch(47.3% 0.18 12)

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 #A81240 7.43:1 AAA Lc -88.9 Fine for body text
Black text on #A81240 2.82:1 Fails Lc 20.1 Dividers and decoration only
#A81240 text on white 7.43:1 AAA Lc 83.9 Fine for body text
#A81240 text on black 2.82:1 Fails Lc -18.1 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

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FAE3E5

    oklch(93.5% 0.025 11.6)

  3. Step 200

    200

    #F7CDD1

    oklch(88.5% 0.048 11.6)

  4. Step 300

    300

    #F3AAB2

    oklch(81% 0.086 11.9)

  5. Step 400

    400

    #E97989

    oklch(70.7% 0.139 12.3)

  6. Step 500

    500

    #DF506C

    oklch(63.1% 0.178 12.1)

  7. Step 600

    600

    #CA2C54

    oklch(55.6% 0.193 12.2)

  8. Step 700

    700 (this color)

    #A81240

    oklch(47.3% 0.18 12)

  9. Step 800

    800

    #8D1B39

    oklch(42.6% 0.149 11.7)

  10. Step 900

    900

    #721F31

    oklch(37.8% 0.116 12)

  11. Step 950

    950

    #43141D

    oklch(27% 0.073 11.8)

Export this scale for Tailwind in the Tailwind colors tool

#A81240 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)#4342410.201
Deuteranopia (no green cones)#68603C0.184
Tritanopia (no blue cones)#B800280.043
Achromatopsia (no color)#5555550.181

Harmonies

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

Complementary

The opposite hue (180°).

  • #A81240

    #A81240

    oklch(47.3% 0.18 12)

  • #006A67

    #006A67

    oklch(47.4% 0.081 191.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A81240

    #A81240

    oklch(47.3% 0.18 12)

  • #991F77

    #991F77

    oklch(47.3% 0.179 342.1)

  • #9A3700

    #9A3700

    oklch(47.3% 0.143 41.8)

Open the analogous palette in the generator

Split complementary

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

  • #A81240

    #A81240

    oklch(47.3% 0.18 12)

  • #006D49

    #006D49

    oklch(47.3% 0.104 161.9)

  • #00667F

    #00667F

    oklch(47.3% 0.088 222.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A81240

    #A81240

    oklch(47.3% 0.18 12)

  • #3E6A00

    #3E6A00

    oklch(47.4% 0.132 132.1)

  • #005CA8

    #005CA8

    oklch(47.3% 0.142 252.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A81240

    #A81240

    oklch(47.3% 0.18 12)

  • #675D00

    #675D00

    oklch(47.3% 0.099 102.2)

  • #006A67

    #006A67

    oklch(47.4% 0.081 191.4)

  • #5144BB

    #5144BB

    oklch(47.2% 0.18 282)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A81240, closest first.

Similar named colors

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

Use #A81240 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.