#901421

Closest named color: Brick Red (#8F1402). oklch(42.2% 0.157 22.8), rgb(144, 20, 33).

Aa

White text reads best on this color (9.09:1).

About this color

#901421 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.157 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.024 away. White text reads best on it, at 9.09:1.

Hue familyReds
Lightnessdark (42%)
Chromavivid (0.157)
Temperaturewarm
Nearest nameBrick Red (#8F1402)
Black text2.30:1
White text9.09:1

Values

HEX#901421
RGBrgb(144, 20, 33)
HSLhsl(354, 76%, 32%)
OKLCHoklch(42.2% 0.157 22.8)

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 #901421 9.09:1 AAA Lc -93.8 Preferred for body text
Black text on #901421 2.30:1 Fails Lc 14.8 Not readable
#901421 text on white 9.09:1 AAA Lc 89.2 Fine for body text
#901421 text on black 2.30:1 Fails Lc -13.0 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

    #FBE3E2

    oklch(93.5% 0.026 20.5)

  3. Step 200

    200

    #F9CDCA

    oklch(88.5% 0.05 22.7)

  4. Step 300

    300

    #F6A9A5

    oklch(80.8% 0.092 22.6)

  5. Step 400

    400

    #EE7875

    oklch(70.8% 0.146 23)

  6. Step 500

    500

    #E44D51

    oklch(63% 0.187 22.8)

  7. Step 600

    600

    #D02535

    oklch(55.6% 0.204 23)

  8. Step 700

    700

    #B31228

    oklch(49% 0.189 22.8)

  9. Step 800

    800 (this color)

    #901421

    oklch(42.2% 0.157 22.8)

  10. Step 900

    900

    #751D21

    oklch(37.8% 0.122 22.9)

  11. Step 950

    950

    #451314

    oklch(27% 0.077 22.7)

Export this scale for Tailwind in the Tailwind colors tool

#901421 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)#3D38200.173
Deuteranopia (no green cones)#5B521C0.158
Tritanopia (no blue cones)#9F001B0.031
Achromatopsia (no color)#4848480.158

Harmonies

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

Complementary

The opposite hue (180°).

  • #901421

    #901421

    oklch(42.2% 0.157 22.8)

  • #00595F

    #00595F

    oklch(42.3% 0.072 202.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #901421

    #901421

    oklch(42.2% 0.157 22.8)

  • #881655

    #881655

    oklch(42.2% 0.157 353)

  • #793900

    #793900

    oklch(42.1% 0.107 52.8)

Open the analogous palette in the generator

Split complementary

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

  • #901421

    #901421

    oklch(42.2% 0.157 22.8)

  • #005C49

    #005C49

    oklch(42.3% 0.082 172.4)

  • #005575

    #005575

    oklch(42.3% 0.087 232.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #901421

    #901421

    oklch(42.2% 0.157 22.8)

  • #005F04

    #005F04

    oklch(42.1% 0.141 142.9)

  • #1B45A1

    #1B45A1

    oklch(42.1% 0.157 263)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #901421

    #901421

    oklch(42.2% 0.157 22.8)

  • #4F5200

    #4F5200

    oklch(42.2% 0.093 112.2)

  • #00595F

    #00595F

    oklch(42.3% 0.072 202.8)

  • #543499

    #543499

    oklch(42.2% 0.156 293.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #901421, closest first.

Similar named colors

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

Use #901421 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.