#BB2C38
Closest named color: Dull Red (#BB3F3F). oklch(52.4% 0.179 21.8), rgb(187, 44, 56).
Aa
White text reads best on this color (5.94:1).
About this color
#BB2C38 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.179 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.028 away. White text reads best on it, at 5.94:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #BB2C38 |
| RGB | rgb(187, 44, 56) |
| HSL | hsl(355, 62%, 45%) |
| OKLCH | oklch(52.4% 0.179 21.8) |
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 #BB2C38 | 5.94:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #BB2C38 | 3.53:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #BB2C38 text on white | 5.94:1 | AA | Lc 78.3 | Fine for body text |
| #BB2C38 text on black | 3.53:1 | 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
#F6CECC
oklch(88.5% 0.045 21.4)
-
Step 300
300
#F0ACA9
oklch(80.8% 0.081 21.8)
-
Step 400
400
#E67E7C
oklch(70.8% 0.129 22)
-
Step 500
500
#DB585B
oklch(63.1% 0.165 21.7)
-
Step 600
600 (this color)
#BB2C38
oklch(52.4% 0.179 21.8)
-
Step 700
700
#AB2833
oklch(49.1% 0.167 21.7)
-
Step 800
800
#8B242B
oklch(42.8% 0.138 21.7)
-
Step 900
900
#702427
oklch(37.8% 0.108 21.6)
-
Step 950
950
#421617
oklch(27% 0.069 21.5)
#BB2C38 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) | #565037 | 0.196 |
| Deuteranopia (no green cones) | #7A6F33 | 0.180 |
| Tritanopia (no blue cones) | #CE0032 | 0.041 |
| Achromatopsia (no color) | #646464 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB2C38
#BB2C38
oklch(52.4% 0.179 21.8)
- #007980
#007980
oklch(52.4% 0.089 201.9)
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 #BB2C38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.028
- Lipstick Red #C0022F ΔE 0.029
- Firebrick #B22222 ΔE 0.031
- Rose Red #BE013C ΔE 0.035
- Scarlet #BE0119 ΔE 0.035
- Cherry #CF0234 ΔE 0.042
- Dusty Red #B9484E ΔE 0.045
- Rusty Red #AF2F0D ΔE 0.046
Use #BB2C38 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.