#BB2A30

Closest named color: Firebrick (#B22222). oklch(52.1% 0.181 24.3), rgb(187, 42, 48).

Aa

White text reads best on this color (6.02:1).

About this color

#BB2A30 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.181 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.026 away. White text reads best on it, at 6.02:1.

Hue familyReds
Lightnessmedium-dark (52%)
Chromavivid (0.181)
Temperaturewarm
Nearest nameFirebrick (#B22222)
Black text3.48:1
White text6.02:1

Values

HEX#BB2A30
RGBrgb(187, 42, 48)
HSLhsl(358, 63%, 45%)
OKLCHoklch(52.1% 0.181 24.3)

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 #BB2A30 6.02:1 AA Lc -83.9 Fine for body text
Black text on #BB2A30 3.48:1 AA large text Lc 25.5 Dividers and decoration only
#BB2A30 text on white 6.02:1 AA Lc 78.6 Fine for body text
#BB2A30 text on black 3.48:1 AA large text Lc -23.2 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

    #F8CDC9

    oklch(88.4% 0.049 24.3)

  4. Step 300

    300

    #F4ABA5

    oklch(80.9% 0.087 24.4)

  5. Step 400

    400

    #EB7A75

    oklch(70.7% 0.14 23.9)

  6. Step 500

    500

    #E15251

    oklch(63.1% 0.179 24.1)

  7. Step 600

    600

    #CD2E35

    oklch(55.7% 0.195 24.3)

  8. Step 700

    700 (this color)

    #BB2A30

    oklch(52.1% 0.181 24.3)

  9. Step 800

    800

    #8F1C22

    oklch(42.6% 0.15 24)

  10. Step 900

    900

    #732020

    oklch(37.7% 0.116 24.7)

  11. Step 950

    950

    #441413

    oklch(27% 0.075 24.6)

Export this scale for Tailwind in the Tailwind colors tool

#BB2A30 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)#564F2F0.198
Deuteranopia (no green cones)#7A6E2B0.180
Tritanopia (no blue cones)#CE002E0.040
Achromatopsia (no color)#6363630.182

Harmonies

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

Complementary

The opposite hue (180°).

  • #BB2A30

    #BB2A30

    oklch(52.1% 0.181 24.3)

  • #007881

    #007881

    oklch(52.2% 0.089 204)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BB2A30

    #BB2A30

    oklch(52.1% 0.181 24.3)

  • #B22B70

    #B22B70

    oklch(52.2% 0.181 354.3)

  • #A15000

    #A15000

    oklch(52.2% 0.131 54)

Open the analogous palette in the generator

Split complementary

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

  • #BB2A30

    #BB2A30

    oklch(52.1% 0.181 24.3)

  • #007B65

    #007B65

    oklch(52% 0.099 174.4)

  • #00729E

    #00729E

    oklch(52% 0.109 234.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BB2A30

    #BB2A30

    oklch(52.1% 0.181 24.3)

  • #00801A

    #00801A

    oklch(52.1% 0.167 144.3)

  • #325FD0

    #325FD0

    oklch(52.1% 0.182 264.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BB2A30

    #BB2A30

    oklch(52.1% 0.181 24.3)

  • #697000

    #697000

    oklch(52.1% 0.117 114)

  • #007881

    #007881

    oklch(52.2% 0.089 204)

  • #734BC5

    #734BC5

    oklch(52.2% 0.181 294.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BB2A30, closest first.

Similar named colors

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

Use #BB2A30 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.