#901D38

Closest named color: Red Wine (#8C0034). oklch(43.3% 0.15 13.3), rgb(144, 29, 56).

Aa

White text reads best on this color (8.68:1).

About this color

#901D38 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.150 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.029 away. White text reads best on it, at 8.68:1.

Hue familyReds
Lightnessdark (43%)
Chromavivid (0.150)
Temperaturewarm
Nearest nameRed Wine (#8C0034)
Black text2.41:1
White text8.68:1

Values

HEX#901D38
RGBrgb(144, 29, 56)
HSLhsl(346, 66%, 34%)
OKLCHoklch(43.3% 0.15 13.3)

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 #901D38 8.68:1 AAA Lc -93.0 Preferred for body text
Black text on #901D38 2.41:1 Fails Lc 15.6 Dividers and decoration only
#901D38 text on white 8.68:1 AAA Lc 88.4 Fine for body text
#901D38 text on black 2.41:1 Fails Lc -13.8 Not readable

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

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FAE3E5

    oklch(93.5% 0.025 11.6)

  3. Step 200

    200

    #F8CDD0

    oklch(88.6% 0.049 13.4)

  4. Step 300

    300

    #F3AAB0

    oklch(80.9% 0.086 13.7)

  5. Step 400

    400

    #EA7987

    oklch(70.8% 0.14 13.5)

  6. Step 500

    500

    #E05069

    oklch(63.2% 0.179 13.6)

  7. Step 600

    600

    #CB2B51

    oklch(55.6% 0.194 13.4)

  8. Step 700

    700

    #AF1A42

    oklch(49.1% 0.181 13.2)

  9. Step 800

    800 (this color)

    #901D38

    oklch(43.3% 0.15 13.3)

  10. Step 900

    900

    #721F2F

    oklch(37.7% 0.116 13.5)

  11. Step 950

    950

    #43141C

    oklch(27% 0.073 13.2)

Export this scale for Tailwind in the Tailwind colors tool

#901D38 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)#3D3C380.168
Deuteranopia (no green cones)#5B54350.152
Tritanopia (no blue cones)#9E00290.034
Achromatopsia (no color)#4B4B4B0.151

Harmonies

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

Complementary

The opposite hue (180°).

  • #901D38

    #901D38

    oklch(43.3% 0.15 13.3)

  • #005D5C

    #005D5C

    oklch(43.3% 0.074 193.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #901D38

    #901D38

    oklch(43.3% 0.15 13.3)

  • #842365

    #842365

    oklch(43.3% 0.149 343.5)

  • #873200

    #873200

    oklch(43.3% 0.128 43.4)

Open the analogous palette in the generator

Split complementary

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

  • #901D38

    #901D38

    oklch(43.3% 0.15 13.3)

  • #006042

    #006042

    oklch(43.3% 0.093 163.5)

  • #005A71

    #005A71

    oklch(43.4% 0.081 222.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #901D38

    #901D38

    oklch(43.3% 0.15 13.3)

  • #335E00

    #335E00

    oklch(43.3% 0.123 133.3)

  • #005098

    #005098

    oklch(43.3% 0.135 253.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #901D38

    #901D38

    oklch(43.3% 0.15 13.3)

  • #5A5200

    #5A5200

    oklch(43.3% 0.091 103)

  • #005D5C

    #005D5C

    oklch(43.3% 0.074 193.5)

  • #493F9E

    #493F9E

    oklch(43.3% 0.149 283)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #901D38, closest first.

Similar named colors

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

Use #901D38 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.