#BB201D

Closest named color: Scarlet (#BE0119). oklch(51.2% 0.19 27.9), rgb(187, 32, 29).

Aa

White text reads best on this color (6.29:1).

About this color

#BB201D is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.190 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.018 away. White text reads best on it, at 6.29:1.

Hue familyReds
Lightnessmedium-dark (51%)
Chromavivid (0.190)
Temperaturewarm
Nearest nameScarlet (#BE0119)
Black text3.33:1
White text6.29:1

Values

HEX#BB201D
RGBrgb(187, 32, 29)
HSLhsl(1, 73%, 42%)
OKLCHoklch(51.2% 0.19 27.9)

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 #BB201D 6.29:1 AA Lc -84.7 Fine for body text
Black text on #BB201D 3.33:1 AA large text Lc 24.5 Dividers and decoration only
#BB201D text on white 6.29:1 AA Lc 79.5 Fine for body text
#BB201D text on black 3.33:1 AA large text Lc -22.3 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

    #FEF3F1

    oklch(97.2% 0.012 29.9)

  2. Step 100

    100

    #FBE4E0

    oklch(93.6% 0.026 29.4)

  3. Step 200

    200

    #F9CDC7

    oklch(88.5% 0.051 27.2)

  4. Step 300

    300

    #F6AAA0

    oklch(80.8% 0.091 27.6)

  5. Step 400

    400

    #EE796C

    oklch(70.7% 0.147 27.9)

  6. Step 500

    500

    #E54F44

    oklch(63.2% 0.188 27.9)

  7. Step 600

    600

    #D02723

    oklch(55.6% 0.204 27.9)

  8. Step 700

    700 (this color)

    #BB201D

    oklch(51.2% 0.19 27.9)

  9. Step 800

    800

    #921815

    oklch(42.7% 0.157 28)

  10. Step 900

    900

    #751E18

    oklch(37.7% 0.122 28.3)

  11. Step 950

    950

    #45130F

    oklch(26.9% 0.078 28)

Export this scale for Tailwind in the Tailwind colors tool

#BB201D 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)#544B1A0.206
Deuteranopia (no green cones)#796C130.187
Tritanopia (no blue cones)#CF00220.040
Achromatopsia (no color)#6060600.191

Harmonies

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

Complementary

The opposite hue (180°).

  • #BB201D

    #BB201D

    oklch(51.2% 0.19 27.9)

  • #007481

    #007481

    oklch(51.1% 0.088 208.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BB201D

    #BB201D

    oklch(51.2% 0.19 27.9)

  • #B31E66

    #B31E66

    oklch(51.1% 0.189 357.9)

  • #995100

    #995100

    oklch(51.2% 0.123 57.8)

Open the analogous palette in the generator

Split complementary

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

  • #BB201D

    #BB201D

    oklch(51.2% 0.19 27.9)

  • #007866

    #007866

    oklch(51.2% 0.095 177.4)

  • #006E9F

    #006E9F

    oklch(51.1% 0.113 237.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BB201D

    #BB201D

    oklch(51.2% 0.19 27.9)

  • #007C2F

    #007C2F

    oklch(51.1% 0.148 148)

  • #3958D1

    #3958D1

    oklch(51.1% 0.19 268)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BB201D

    #BB201D

    oklch(51.2% 0.19 27.9)

  • #616F00

    #616F00

    oklch(51.2% 0.119 118.1)

  • #007481

    #007481

    oklch(51.1% 0.088 208.4)

  • #7743C3

    #7743C3

    oklch(51.3% 0.19 298)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BB201D, closest first.

Similar named colors

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

Use #BB201D 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.