#BD3137

Closest named color: Dull Red (#BB3F3F). oklch(53.2% 0.176 23.5), rgb(189, 49, 55).

Aa

White text reads best on this color (5.74:1).

About this color

#BD3137 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.176 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.021 away. White text reads best on it, at 5.74:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.176)
Temperaturewarm
Nearest nameDull Red (#BB3F3F)
Black text3.65:1
White text5.74:1

Values

HEX#BD3137
RGBrgb(189, 49, 55)
HSLhsl(357, 59%, 47%)
OKLCHoklch(53.2% 0.176 23.5)

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 #BD3137 5.74:1 AA Lc -82.7 Fine for body text
Black text on #BD3137 3.65:1 AA large text Lc 26.7 Dividers and decoration only
#BD3137 text on white 5.74:1 AA Lc 77.4 Fine for body text
#BD3137 text on black 3.65:1 AA large text Lc -24.4 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 600.

  1. Step 50

    50

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #F9E4E3

    oklch(93.5% 0.023 20.9)

  3. Step 200

    200

    #F5CECB

    oklch(88.4% 0.044 23.2)

  4. Step 300

    300

    #F0ADA8

    oklch(80.9% 0.08 23.8)

  5. Step 400

    400

    #E57F7A

    oklch(70.8% 0.127 23.7)

  6. Step 500

    500

    #DA5A58

    oklch(63.1% 0.162 23.8)

  7. Step 600

    600 (this color)

    #BD3137

    oklch(53.2% 0.176 23.5)

  8. Step 700

    700

    #AA2A30

    oklch(49% 0.164 23.4)

  9. Step 800

    800

    #8A2528

    oklch(42.6% 0.136 23.6)

  10. Step 900

    900

    #6F2525

    oklch(37.7% 0.105 23.6)

  11. Step 950

    950

    #421716

    oklch(27.1% 0.067 23.9)

Export this scale for Tailwind in the Tailwind colors tool

#BD3137 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)#5A53360.191
Deuteranopia (no green cones)#7D71320.176
Tritanopia (no blue cones)#D000350.044
Achromatopsia (no color)#6666660.178

Harmonies

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

Complementary

The opposite hue (180°).

  • #BD3137

    #BD3137

    oklch(53.2% 0.176 23.5)

  • #007B84

    #007B84

    oklch(53.1% 0.091 203.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BD3137

    #BD3137

    oklch(53.2% 0.176 23.5)

  • #B33274

    #B33274

    oklch(53.1% 0.176 353.5)

  • #A65200

    #A65200

    oklch(53.2% 0.134 53.6)

Open the analogous palette in the generator

Split complementary

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

  • #BD3137

    #BD3137

    oklch(53.2% 0.176 23.5)

  • #007F67

    #007F67

    oklch(53.2% 0.102 173.3)

  • #0076A2

    #0076A2

    oklch(53.3% 0.111 233.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BD3137

    #BD3137

    oklch(53.2% 0.176 23.5)

  • #008412

    #008412

    oklch(53.2% 0.175 143.5)

  • #3364D1

    #3364D1

    oklch(53.2% 0.177 263.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BD3137

    #BD3137

    oklch(53.2% 0.176 23.5)

  • #6D7300

    #6D7300

    oklch(53.2% 0.119 113.3)

  • #007B84

    #007B84

    oklch(53.1% 0.091 203.8)

  • #7450C7

    #7450C7

    oklch(53.2% 0.177 293.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BD3137, closest first.

Similar named colors

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

Use #BD3137 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.