#901A2F

Closest named color: Red Wine (#8C0034). oklch(42.9% 0.152 17.5), rgb(144, 26, 47).

Aa

White text reads best on this color (8.84:1).

About this color

#901A2F is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.152 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.030 away. White text reads best on it, at 8.84:1.

Hue familyReds
Lightnessdark (43%)
Chromavivid (0.152)
Temperaturewarm
Nearest nameRed Wine (#8C0034)
Black text2.37:1
White text8.84:1

Values

HEX#901A2F
RGBrgb(144, 26, 47)
HSLhsl(349, 69%, 33%)
OKLCHoklch(42.9% 0.152 17.5)

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 #901A2F 8.84:1 AAA Lc -93.4 Preferred for body text
Black text on #901A2F 2.37:1 Fails Lc 15.2 Dividers and decoration only
#901A2F text on white 8.84:1 AAA Lc 88.8 Fine for body text
#901A2F text on black 2.37:1 Fails Lc -13.4 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

    #FDF2F2

    oklch(97% 0.012 17.4)

  2. Step 100

    100

    #FBE3E3

    oklch(93.5% 0.026 17.6)

  3. Step 200

    200

    #F8CDCD

    oklch(88.5% 0.049 18.1)

  4. Step 300

    300

    #F5AAAC

    oklch(81% 0.089 17.4)

  5. Step 400

    400

    #EB7880

    oklch(70.6% 0.142 17)

  6. Step 500

    500

    #E14F60

    oklch(63% 0.181 17.3)

  7. Step 600

    600

    #CD2946

    oklch(55.6% 0.197 17.6)

  8. Step 700

    700

    #B11838

    oklch(49.2% 0.184 17.5)

  9. Step 800

    800 (this color)

    #901A2F

    oklch(42.9% 0.152 17.5)

  10. Step 900

    900

    #731E29

    oklch(37.6% 0.118 17.7)

  11. Step 950

    950

    #441318

    oklch(26.9% 0.075 17.8)

Export this scale for Tailwind in the Tailwind colors tool

#901A2F 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)#3E3A2F0.167
Deuteranopia (no green cones)#5B532C0.154
Tritanopia (no blue cones)#9E00230.031
Achromatopsia (no color)#4A4A4A0.153

Harmonies

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

Complementary

The opposite hue (180°).

  • #901A2F

    #901A2F

    oklch(42.9% 0.152 17.5)

  • #005B5D

    #005B5D

    oklch(42.7% 0.073 197.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #901A2F

    #901A2F

    oklch(42.9% 0.152 17.5)

  • #861F5E

    #861F5E

    oklch(42.9% 0.151 347.9)

  • #813600

    #813600

    oklch(42.9% 0.118 47.5)

Open the analogous palette in the generator

Split complementary

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

  • #901A2F

    #901A2F

    oklch(42.9% 0.152 17.5)

  • #005E46

    #005E46

    oklch(42.8% 0.087 168)

  • #005873

    #005873

    oklch(43% 0.083 227.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #901A2F

    #901A2F

    oklch(42.9% 0.152 17.5)

  • #255F00

    #255F00

    oklch(43% 0.132 137.6)

  • #044BA0

    #044BA0

    oklch(42.8% 0.152 257.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #901A2F

    #901A2F

    oklch(42.9% 0.152 17.5)

  • #555200

    #555200

    oklch(42.8% 0.092 107.3)

  • #005B5D

    #005B5D

    oklch(42.7% 0.073 197.4)

  • #4E3A9C

    #4E3A9C

    oklch(42.8% 0.152 287.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #901A2F, closest first.

Similar named colors

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

Use #901A2F 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.