#BB5139
Closest named color: Brick Orange (#C14A09). oklch(56.7% 0.143 34.2), rgb(187, 81, 57).
Aa
White text reads best on this color (4.82:1).
About this color
#BB5139 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.143 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.032 away. White text reads best on it, at 4.82:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.34:1 |
| White text | 4.82:1 |
Values
| HEX | #BB5139 |
| RGB | rgb(187, 81, 57) |
| HSL | hsl(11, 53%, 48%) |
| OKLCH | oklch(56.7% 0.143 34.2) |
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 #BB5139 | 4.82:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #BB5139 | 4.34:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #BB5139 text on white | 4.82:1 | AA | Lc 72.8 | Content text, not long reading |
| #BB5139 text on black | 4.34:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CA
oklch(88.5% 0.036 32.8)
-
Step 300
300
#E7B2A5
oklch(80.8% 0.065 34.2)
-
Step 400
400
#D98975
oklch(70.8% 0.103 34.8)
-
Step 500
500
#CC6952
oklch(63.2% 0.131 34.2)
-
Step 600
600 (this color)
#BB5139
oklch(56.7% 0.143 34.2)
-
Step 700
700
#9E3E28
oklch(49.2% 0.133 34.3)
-
Step 800
800
#803423
oklch(42.7% 0.11 34.1)
-
Step 900
900
#672E21
oklch(37.6% 0.085 34.1)
-
Step 950
950
#3D1C14
oklch(27.1% 0.054 34.7)
#BB5139 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) | #6D6336 | 0.144 |
| Deuteranopia (no green cones) | #877B36 | 0.134 |
| Tritanopia (no blue cones) | #CD3B4C | 0.059 |
| Achromatopsia (no color) | #727272 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5139
#BB5139
oklch(56.7% 0.143 34.2)
- #00859A
#00859A
oklch(56.7% 0.1 213.9)
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 #BB5139, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.032
- Burnt Orange #C04E01 ΔE 0.034
- Dusty Red #B9484E ΔE 0.038
- Burnt Siena #B75203 ΔE 0.038
- Dull Red #BB3F3F ΔE 0.039
- Rust Orange #C45508 ΔE 0.040
- Sinopia #BB3E03 ΔE 0.042
- Dark Coral #CF524E ΔE 0.046
Use #BB5139 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.