#BB2D36
Closest named color: Dull Red (#BB3F3F). oklch(52.5% 0.178 22.8), rgb(187, 45, 54).
Aa
White text reads best on this color (5.92:1).
About this color
#BB2D36 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.178 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.027 away. White text reads best on it, at 5.92:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #BB2D36 |
| RGB | rgb(187, 45, 54) |
| HSL | hsl(356, 61%, 45%) |
| OKLCH | oklch(52.5% 0.178 22.8) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #BB2D36 | 5.92:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #BB2D36 | 3.54:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #BB2D36 text on white | 5.92:1 | AA | Lc 78.3 | Fine for body text |
| #BB2D36 text on black | 3.54:1 | AA large text | Lc -23.5 | 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 600.
-
Step 50
50
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F5CECC
oklch(88.4% 0.044 21.5)
-
Step 300
300
#F0ADA9
oklch(81% 0.079 22.8)
-
Step 400
400
#E57E7B
oklch(70.6% 0.128 22.6)
-
Step 500
500
#DB5959
oklch(63.2% 0.164 23)
-
Step 600
600 (this color)
#BB2D36
oklch(52.5% 0.178 22.8)
-
Step 700
700
#AB2931
oklch(49.2% 0.166 22.8)
-
Step 800
800
#8B2529
oklch(42.8% 0.137 23.1)
-
Step 900
900
#702426
oklch(37.8% 0.108 22.4)
-
Step 950
950
#421616
oklch(27% 0.069 22.8)
#BB2D36 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #575035 | 0.194 |
| Deuteranopia (no green cones) | #7B6F31 | 0.178 |
| Tritanopia (no blue cones) | #CE0032 | 0.041 |
| Achromatopsia (no color) | #646464 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB2D36
#BB2D36
oklch(52.5% 0.178 22.8)
- #007981
#007981
oklch(52.5% 0.089 202.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BB2D36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.027
- Firebrick #B22222 ΔE 0.031
- Lipstick Red #C0022F ΔE 0.031
- Scarlet #BE0119 ΔE 0.035
- Rose Red #BE013C ΔE 0.037
- Cherry #CF0234 ΔE 0.043
- Rusty Red #AF2F0D ΔE 0.043
- Rufous #AE2012 ΔE 0.044
Use #BB2D36 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.