#BB5639
Closest named color: Burnt Orange (#C04E01). oklch(57.4% 0.138 36.8), rgb(187, 86, 57).
Aa
White text reads best on this color (4.66:1).
About this color
#BB5639 is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.138 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Orange (#C04E01), ΔE 0.033 away. White text reads best on it, at 4.66:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Burnt Orange (#C04E01) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #BB5639 |
| RGB | rgb(187, 86, 57) |
| HSL | hsl(13, 53%, 48%) |
| OKLCH | oklch(57.4% 0.138 36.8) |
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 #BB5639 | 4.66:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #BB5639 | 4.50:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #BB5639 text on white | 4.66:1 | AA | Lc 71.8 | Content text, not long reading |
| #BB5639 text on black | 4.50:1 | AA | Lc -29.9 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E5B3A5
oklch(80.8% 0.062 36.2)
-
Step 400
400
#D68A74
oklch(70.6% 0.099 36.9)
-
Step 500
500
#CA6B50
oklch(63.2% 0.127 36.7)
-
Step 600
600 (this color)
#BB5639
oklch(57.4% 0.138 36.8)
-
Step 700
700
#9B4126
oklch(49.1% 0.127 37.2)
-
Step 800
800
#7E3621
oklch(42.7% 0.106 37)
-
Step 900
900
#663020
oklch(37.8% 0.082 37.3)
-
Step 950
950
#3C1C13
oklch(26.9% 0.053 36.6)
#BB5639 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) | #716636 | 0.136 |
| Deuteranopia (no green cones) | #8A7D37 | 0.125 |
| Tritanopia (no blue cones) | #CD424F | 0.060 |
| Achromatopsia (no color) | #747474 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5639
#BB5639
oklch(57.4% 0.138 36.8)
- #0087A0
#0087A0
oklch(57.5% 0.103 216.9)
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 #BB5639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Orange #C04E01 ΔE 0.033
- Brick Orange #C14A09 ΔE 0.033
- Rust Orange #C45508 ΔE 0.034
- Burnt Siena #B75203 ΔE 0.035
- Copper #B66325 ΔE 0.040
- Terra Cotta #C9643B ΔE 0.044
- Clay #B66A50 ΔE 0.044
- Dusty Red #B9484E ΔE 0.046
Use #BB5639 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.