#B90D2E

Closest named color: Lipstick Red (#C0022F). oklch(50.1% 0.196 20.9), rgb(185, 13, 46).

Aa

White text reads best on this color (6.64:1).

About this color

#B90D2E is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.196 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.014 away. White text reads best on it, at 6.64:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.196)
Temperaturewarm
Nearest nameLipstick Red (#C0022F)
Black text3.15:1
White text6.64:1

Values

HEX#B90D2E
RGBrgb(185, 13, 46)
HSLhsl(348, 87%, 39%)
OKLCHoklch(50.1% 0.196 20.9)

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 #B90D2E 6.64:1 AA Lc -85.7 Fine for body text
Black text on #B90D2E 3.15:1 AA large text Lc 23.5 Dividers and decoration only
#B90D2E text on white 6.64:1 AA Lc 80.6 Fine for body text
#B90D2E text on black 3.15:1 AA large text Lc -21.3 Dividers and decoration only

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 700.

  1. Step 50

    50

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E2

    oklch(93.6% 0.028 20.4)

  3. Step 200

    200

    #FACCCA

    oklch(88.4% 0.052 21.1)

  4. Step 300

    300

    #F8A8A6

    oklch(80.9% 0.095 20.9)

  5. Step 400

    400

    #F07577

    oklch(70.6% 0.152 20.7)

  6. Step 500

    500

    #E74954

    oklch(63.1% 0.194 20.9)

  7. Step 600

    600

    #D21C39

    oklch(55.6% 0.21 20.8)

  8. Step 700

    700 (this color)

    #B90D2E

    oklch(50.1% 0.196 20.9)

  9. Step 800

    800

    #931025

    oklch(42.6% 0.162 20.8)

  10. Step 900

    900

    #761A22

    oklch(37.7% 0.126 21.3)

  11. Step 950

    950

    #461115

    oklch(27% 0.081 20.2)

Export this scale for Tailwind in the Tailwind colors tool

#B90D2E 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)#4C462D0.218
Deuteranopia (no green cones)#7469280.199
Tritanopia (no blue cones)#CC001F0.041
Achromatopsia (no color)#5C5C5C0.197

Harmonies

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

Complementary

The opposite hue (180°).

  • #B90D2E

    #B90D2E

    oklch(50.1% 0.196 20.9)

  • #007277

    #007277

    oklch(50.2% 0.085 200.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B90D2E

    #B90D2E

    oklch(50.1% 0.196 20.9)

  • #AD1671

    #AD1671

    oklch(50% 0.196 350.8)

  • #9C4800

    #9C4800

    oklch(50.1% 0.131 50.6)

Open the analogous palette in the generator

Split complementary

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

  • #B90D2E

    #B90D2E

    oklch(50.1% 0.196 20.9)

  • #00755C

    #00755C

    oklch(50.1% 0.098 171.1)

  • #006D92

    #006D92

    oklch(50.1% 0.101 230.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B90D2E

    #B90D2E

    oklch(50.1% 0.196 20.9)

  • #197800

    #197800

    oklch(50% 0.164 141)

  • #1459D0

    #1459D0

    oklch(50% 0.196 261)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B90D2E

    #B90D2E

    oklch(50.1% 0.196 20.9)

  • #676800

    #676800

    oklch(50% 0.109 110.4)

  • #007277

    #007277

    oklch(50.2% 0.085 200.1)

  • #6942C8

    #6942C8

    oklch(50.1% 0.196 291)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B90D2E, closest first.

Similar named colors

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

Use #B90D2E 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.