#90130A

Closest named color: Brick Red (#8F1402). oklch(41.9% 0.159 29.7), rgb(144, 19, 10).

Aa

White text reads best on this color (9.19:1).

About this color

#90130A is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.159 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.005 away. White text reads best on it, at 9.19:1.

Hue familyReds
Lightnessdark (42%)
Chromavivid (0.159)
Temperaturewarm
Nearest nameBrick Red (#8F1402)
Black text2.28:1
White text9.19:1

Values

HEX#90130A
RGBrgb(144, 19, 10)
HSLhsl(4, 87%, 30%)
OKLCHoklch(41.9% 0.159 29.7)

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 #90130A 9.19:1 AAA Lc -93.9 Preferred for body text
Black text on #90130A 2.28:1 Fails Lc 14.6 Not readable
#90130A text on white 9.19:1 AAA Lc 89.4 Fine for body text
#90130A text on black 2.28:1 Fails Lc -12.8 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

    #FEF3F1

    oklch(97.2% 0.012 29.9)

  2. Step 100

    100

    #FCE4DF

    oklch(93.7% 0.027 31.7)

  3. Step 200

    200

    #FACDC5

    oklch(88.5% 0.052 29.9)

  4. Step 300

    300

    #F7AA9D

    oklch(80.9% 0.093 29.9)

  5. Step 400

    400

    #EF7968

    oklch(70.8% 0.149 29.7)

  6. Step 500

    500

    #E64E3D

    oklch(63.1% 0.191 29.7)

  7. Step 600

    600

    #D12618

    oklch(55.6% 0.207 29.8)

  8. Step 700

    700

    #B51308

    oklch(49.2% 0.193 29.7)

  9. Step 800

    800 (this color)

    #90130A

    oklch(41.9% 0.159 29.7)

  10. Step 900

    900

    #761D14

    oklch(37.8% 0.125 29.8)

  11. Step 950

    950

    #45130D

    oklch(26.9% 0.078 29.9)

Export this scale for Tailwind in the Tailwind colors tool

#90130A 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)#3E36060.173
Deuteranopia (no green cones)#5C51000.156
Tritanopia (no blue cones)#A000130.034
Achromatopsia (no color)#4848480.160

Harmonies

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

Complementary

The opposite hue (180°).

  • #90130A

    #90130A

    oklch(41.9% 0.159 29.7)

  • #005762

    #005762

    oklch(41.8% 0.072 209.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90130A

    #90130A

    oklch(41.9% 0.159 29.7)

  • #8B104A

    #8B104A

    oklch(42% 0.159 359.7)

  • #733D00

    #733D00

    oklch(41.9% 0.099 59.4)

Open the analogous palette in the generator

Split complementary

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

  • #90130A

    #90130A

    oklch(41.9% 0.159 29.7)

  • #005A4E

    #005A4E

    oklch(41.9% 0.076 179.6)

  • #00527B

    #00527B

    oklch(41.8% 0.096 240)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90130A

    #90130A

    oklch(41.9% 0.159 29.7)

  • #005D27

    #005D27

    oklch(41.8% 0.116 149.8)

  • #2D40A2

    #2D40A2

    oklch(41.9% 0.159 269.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90130A

    #90130A

    oklch(41.9% 0.159 29.7)

  • #475400

    #475400

    oklch(42% 0.099 119.5)

  • #005762

    #005762

    oklch(41.8% 0.072 209.5)

  • #5C2F95

    #5C2F95

    oklch(42% 0.159 299.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90130A, closest first.

Similar named colors

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

Use #90130A 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.