#901027

Closest named color: Red Wine (#8C0034). oklch(42.1% 0.159 19.6), rgb(144, 16, 39).

Aa

White text reads best on this color (9.17:1).

About this color

#901027 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.159 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.028 away. White text reads best on it, at 9.17:1.

Hue familyReds
Lightnessdark (42%)
Chromavivid (0.159)
Temperaturewarm
Nearest nameRed Wine (#8C0034)
Black text2.28:1
White text9.17:1

Values

HEX#901027
RGBrgb(144, 16, 39)
HSLhsl(349, 80%, 31%)
OKLCHoklch(42.1% 0.159 19.6)

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 #901027 9.17:1 AAA Lc -93.9 Preferred for body text
Black text on #901027 2.28:1 Fails Lc 14.7 Not readable
#901027 text on white 9.17:1 AAA Lc 89.3 Fine for body text
#901027 text on black 2.28:1 Fails Lc -12.9 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E3

    oklch(93.6% 0.028 17.7)

  3. Step 200

    200

    #FACCCB

    oklch(88.5% 0.052 19.6)

  4. Step 300

    300

    #F7A9A8

    oklch(81% 0.092 20.1)

  5. Step 400

    400

    #EF767A

    oklch(70.7% 0.149 19.6)

  6. Step 500

    500

    #E54B58

    oklch(63.1% 0.19 19.8)

  7. Step 600

    600

    #D0213E

    oklch(55.5% 0.206 19.6)

  8. Step 700

    700

    #B40C30

    oklch(49.1% 0.192 19.7)

  9. Step 800

    800 (this color)

    #901027

    oklch(42.1% 0.159 19.6)

  10. Step 900

    900

    #751B25

    oklch(37.6% 0.123 19.6)

  11. Step 950

    950

    #451216

    oklch(27% 0.078 19.6)

Export this scale for Tailwind in the Tailwind colors tool

#901027 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)#3B37270.176
Deuteranopia (no green cones)#5A51230.160
Tritanopia (no blue cones)#9F001B0.033
Achromatopsia (no color)#4848480.160

Harmonies

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

Complementary

The opposite hue (180°).

  • #901027

    #901027

    oklch(42.1% 0.159 19.6)

  • #00595C

    #00595C

    oklch(42.1% 0.072 198.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #901027

    #901027

    oklch(42.1% 0.159 19.6)

  • #86165A

    #86165A

    oklch(42.1% 0.158 349.4)

  • #7C3600

    #7C3600

    oklch(42.1% 0.113 49.2)

Open the analogous palette in the generator

Split complementary

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

  • #901027

    #901027

    oklch(42.1% 0.159 19.6)

  • #005C46

    #005C46

    oklch(42.2% 0.084 169.4)

  • #005572

    #005572

    oklch(42.1% 0.084 230)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #901027

    #901027

    oklch(42.1% 0.159 19.6)

  • #1B5D00

    #1B5D00

    oklch(42% 0.134 139.5)

  • #0947A2

    #0947A2

    oklch(42.2% 0.159 259.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #901027

    #901027

    oklch(42.1% 0.159 19.6)

  • #515100

    #515100

    oklch(42.1% 0.092 109.8)

  • #00595C

    #00595C

    oklch(42.1% 0.072 198.8)

  • #4F359C

    #4F359C

    oklch(42.1% 0.159 289.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #901027, closest first.

Similar named colors

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

Use #901027 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.