#BB2A2C

Closest named color: Firebrick (#B22222). oklch(52.1% 0.181 25.6), rgb(187, 42, 44).

Aa

White text reads best on this color (6.03:1).

About this color

#BB2A2C is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.181 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.024 away. White text reads best on it, at 6.03:1.

Hue familyReds
Lightnessmedium-dark (52%)
Chromavivid (0.181)
Temperaturewarm
Nearest nameFirebrick (#B22222)
Black text3.48:1
White text6.03:1

Values

HEX#BB2A2C
RGBrgb(187, 42, 44)
HSLhsl(359, 63%, 45%)
OKLCHoklch(52.1% 0.181 25.6)

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 #BB2A2C 6.03:1 AA Lc -83.9 Fine for body text
Black text on #BB2A2C 3.48:1 AA large text Lc 25.4 Dividers and decoration only
#BB2A2C text on white 6.03:1 AA Lc 78.6 Fine for body text
#BB2A2C text on black 3.48:1 AA large text Lc -23.1 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FBE4E1

    oklch(93.7% 0.026 26.5)

  3. Step 200

    200

    #F8CDC9

    oklch(88.4% 0.049 24.3)

  4. Step 300

    300

    #F4ABA3

    oklch(80.9% 0.087 26.1)

  5. Step 400

    400

    #EB7B72

    oklch(70.7% 0.14 26)

  6. Step 500

    500

    #E1524D

    oklch(63% 0.179 25.6)

  7. Step 600

    600

    #CD2E30

    oklch(55.7% 0.195 25.8)

  8. Step 700

    700 (this color)

    #BB2A2C

    oklch(52.1% 0.181 25.6)

  9. Step 800

    800

    #8F1D1F

    oklch(42.7% 0.149 25.6)

  10. Step 900

    900

    #73201E

    oklch(37.7% 0.117 25.9)

  11. Step 950

    950

    #441412

    oklch(27% 0.075 25.8)

Export this scale for Tailwind in the Tailwind colors tool

#BB2A2C 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)#574F2A0.197
Deuteranopia (no green cones)#7B6E260.179
Tritanopia (no blue cones)#CE002D0.041
Achromatopsia (no color)#6363630.183

Harmonies

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

Complementary

The opposite hue (180°).

  • #BB2A2C

    #BB2A2C

    oklch(52.1% 0.181 25.6)

  • #007782

    #007782

    oklch(52% 0.089 206.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BB2A2C

    #BB2A2C

    oklch(52.1% 0.181 25.6)

  • #B22A6D

    #B22A6D

    oklch(52% 0.181 355.6)

  • #9F5100

    #9F5100

    oklch(52% 0.128 55.4)

Open the analogous palette in the generator

Split complementary

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

  • #BB2A2C

    #BB2A2C

    oklch(52.1% 0.181 25.6)

  • #007B67

    #007B67

    oklch(52.1% 0.097 176)

  • #0072A0

    #0072A0

    oklch(52.2% 0.111 235.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BB2A2C

    #BB2A2C

    oklch(52.1% 0.181 25.6)

  • #008024

    #008024

    oklch(52.2% 0.161 145.6)

  • #365ED0

    #365ED0

    oklch(52% 0.182 265.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BB2A2C

    #BB2A2C

    oklch(52.1% 0.181 25.6)

  • #677100

    #677100

    oklch(52.2% 0.119 115.7)

  • #007782

    #007782

    oklch(52% 0.089 206.1)

  • #754AC4

    #754AC4

    oklch(52.1% 0.182 295.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BB2A2C, closest first.

Similar named colors

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

Use #BB2A2C 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.