#BB5131
Closest named color: Brick Orange (#C14A09). oklch(56.6% 0.145 37.3), rgb(187, 81, 49).
Aa
White text reads best on this color (4.84:1).
About this color
#BB5131 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.145 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.025 away. White text reads best on it, at 4.84:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #BB5131 |
| RGB | rgb(187, 81, 49) |
| HSL | hsl(14, 58%, 46%) |
| OKLCH | oklch(56.6% 0.145 37.3) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #BB5131 | 4.84:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #BB5131 | 4.33:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #BB5131 text on white | 4.84:1 | AA | Lc 72.9 | Content text, not long reading |
| #BB5131 text on black | 4.33:1 | AA large text | Lc -28.8 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C8
oklch(88.4% 0.037 36.8)
-
Step 300
300
#E7B3A3
oklch(81% 0.065 37.8)
-
Step 400
400
#D98971
oklch(70.7% 0.105 37.5)
-
Step 500
500
#CC694C
oklch(63.1% 0.133 37.2)
-
Step 600
600 (this color)
#BB5131
oklch(56.6% 0.145 37.3)
-
Step 700
700
#9E3E21
oklch(49.1% 0.135 37.1)
-
Step 800
800
#80341D
oklch(42.7% 0.111 37.3)
-
Step 900
900
#672E1D
oklch(37.6% 0.087 37.3)
-
Step 950
950
#3D1C12
oklch(27.1% 0.055 37.6)
#BB5131 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) | #6E632D | 0.143 |
| Deuteranopia (no green cones) | #887A2E | 0.131 |
| Tritanopia (no blue cones) | #CD3A4A | 0.064 |
| Achromatopsia (no color) | #727272 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5131
#BB5131
oklch(56.6% 0.145 37.3)
- #00849D
#00849D
oklch(56.6% 0.101 217.3)
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 #BB5131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.025
- Burnt Orange #C04E01 ΔE 0.026
- Burnt Siena #B75203 ΔE 0.030
- Rust Orange #C45508 ΔE 0.033
- Sinopia #BB3E03 ΔE 0.038
- Cinnamon #AC4F06 ΔE 0.042
- Dull Red #BB3F3F ΔE 0.044
- Dusty Red #B9484E ΔE 0.045
Use #BB5131 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.