#B5233D

Closest named color: Rose Red (#BE013C). oklch(50.7% 0.18 17.5), rgb(181, 35, 61).

Aa

White text reads best on this color (6.41:1).

About this color

#B5233D is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.180 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.024 away. White text reads best on it, at 6.41:1.

Hue familyReds
Lightnessmedium-dark (51%)
Chromavivid (0.180)
Temperaturewarm
Nearest nameRose Red (#BE013C)
Black text3.27:1
White text6.41:1

Values

HEX#B5233D
RGBrgb(181, 35, 61)
HSLhsl(349, 68%, 42%)
OKLCHoklch(50.7% 0.18 17.5)

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 #B5233D 6.41:1 AA Lc -85.5 Fine for body text
Black text on #B5233D 3.27:1 AA large text Lc 23.8 Dividers and decoration only
#B5233D text on white 6.41:1 AA Lc 80.3 Fine for body text
#B5233D text on black 3.27:1 AA large text Lc -21.5 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

    #FDF2F2

    oklch(97% 0.012 17.4)

  2. Step 100

    100

    #FAE4E4

    oklch(93.7% 0.024 17.6)

  3. Step 200

    200

    #F8CDCD

    oklch(88.5% 0.049 18.1)

  4. Step 300

    300

    #F4AAAC

    oklch(80.9% 0.087 17.4)

  5. Step 400

    400

    #EA7980

    oklch(70.6% 0.14 17.4)

  6. Step 500

    500

    #E05160

    oklch(63.1% 0.178 17.7)

  7. Step 600

    600

    #CB2C47

    oklch(55.5% 0.193 17.5)

  8. Step 700

    700 (this color)

    #B5233D

    oklch(50.7% 0.18 17.5)

  9. Step 800

    800

    #8E1C2F

    oklch(42.6% 0.148 17.6)

  10. Step 900

    900

    #731F2A

    oklch(37.8% 0.117 17.4)

  11. Step 950

    950

    #441419

    oklch(27.1% 0.074 17.4)

Export this scale for Tailwind in the Tailwind colors tool

#B5233D 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)#4F4B3D0.200
Deuteranopia (no green cones)#746A390.182
Tritanopia (no blue cones)#C7002F0.038
Achromatopsia (no color)#5F5F5F0.181

Harmonies

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

Complementary

The opposite hue (180°).

  • #B5233D

    #B5233D

    oklch(50.7% 0.18 17.5)

  • #007477

    #007477

    oklch(50.7% 0.086 197.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B5233D

    #B5233D

    oklch(50.7% 0.18 17.5)

  • #A82978

    #A82978

    oklch(50.7% 0.179 347.3)

  • #A24600

    #A24600

    oklch(50.7% 0.139 47.7)

Open the analogous palette in the generator

Split complementary

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

  • #B5233D

    #B5233D

    oklch(50.7% 0.18 17.5)

  • #007859

    #007859

    oklch(50.8% 0.104 167.2)

  • #006F91

    #006F91

    oklch(50.6% 0.099 228)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B5233D

    #B5233D

    oklch(50.7% 0.18 17.5)

  • #317800

    #317800

    oklch(50.7% 0.155 137.5)

  • #0760C9

    #0760C9

    oklch(50.7% 0.18 257.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B5233D

    #B5233D

    oklch(50.7% 0.18 17.5)

  • #6C6900

    #6C6900

    oklch(50.7% 0.109 107.8)

  • #007477

    #007477

    oklch(50.7% 0.086 197.9)

  • #644BC4

    #644BC4

    oklch(50.7% 0.18 287.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B5233D, closest first.

Similar named colors

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

Use #B5233D 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.