#B52030

Closest named color: Firebrick (#B22222). oklch(50.3% 0.183 22.1), rgb(181, 32, 48).

Aa

White text reads best on this color (6.53:1).

About this color

#B52030 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.183 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.016 away. White text reads best on it, at 6.53:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.183)
Temperaturewarm
Nearest nameFirebrick (#B22222)
Black text3.21:1
White text6.53:1

Values

HEX#B52030
RGBrgb(181, 32, 48)
HSLhsl(354, 70%, 42%)
OKLCHoklch(50.3% 0.183 22.1)

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 #B52030 6.53:1 AA Lc -85.8 Fine for body text
Black text on #B52030 3.21:1 AA large text Lc 23.4 Dividers and decoration only
#B52030 text on white 6.53:1 AA Lc 80.7 Fine for body text
#B52030 text on black 3.21:1 AA large text Lc -21.2 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FBE4E2

    oklch(93.7% 0.025 23.6)

  3. Step 200

    200

    #F8CDCB

    oklch(88.5% 0.049 21.2)

  4. Step 300

    300

    #F5AAA7

    oklch(80.9% 0.089 21.8)

  5. Step 400

    400

    #EC7978

    oklch(70.7% 0.142 21.8)

  6. Step 500

    500

    #E25155

    oklch(63.2% 0.18 22.3)

  7. Step 600

    600

    #CD2B3A

    oklch(55.6% 0.196 22.2)

  8. Step 700

    700 (this color)

    #B52030

    oklch(50.3% 0.183 22.1)

  9. Step 800

    800

    #901B26

    oklch(42.8% 0.151 22.1)

  10. Step 900

    900

    #731F23

    oklch(37.6% 0.117 22.3)

  11. Step 950

    950

    #441415

    oklch(27% 0.074 22.3)

Export this scale for Tailwind in the Tailwind colors tool

#B52030 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)#50492F0.200
Deuteranopia (no green cones)#74692B0.184
Tritanopia (no blue cones)#C700280.036
Achromatopsia (no color)#5E5E5E0.184

Harmonies

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

Complementary

The opposite hue (180°).

  • #B52030

    #B52030

    oklch(50.3% 0.183 22.1)

  • #007279

    #007279

    oklch(50.3% 0.086 202.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B52030

    #B52030

    oklch(50.3% 0.183 22.1)

  • #AB236F

    #AB236F

    oklch(50.4% 0.183 352)

  • #9B4A00

    #9B4A00

    oklch(50.3% 0.129 52.2)

Open the analogous palette in the generator

Split complementary

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

  • #B52030

    #B52030

    oklch(50.3% 0.183 22.1)

  • #00765E

    #00765E

    oklch(50.4% 0.098 172.1)

  • #006D94

    #006D94

    oklch(50.2% 0.103 232)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B52030

    #B52030

    oklch(50.3% 0.183 22.1)

  • #097A00

    #097A00

    oklch(50.3% 0.17 142.1)

  • #235BCA

    #235BCA

    oklch(50.3% 0.183 262)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B52030

    #B52030

    oklch(50.3% 0.183 22.1)

  • #666A00

    #666A00

    oklch(50.4% 0.112 112.4)

  • #007279

    #007279

    oklch(50.3% 0.086 202.3)

  • #6A46C1

    #6A46C1

    oklch(50.2% 0.183 292)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B52030, closest first.

Similar named colors

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

Use #B52030 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.