#BB543C
Closest named color: Brick Orange (#C14A09). oklch(57.2% 0.139 34.4), rgb(187, 84, 60).
Aa
White text reads best on this color (4.72:1).
About this color
#BB543C is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.139 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.035 away. White text reads best on it, at 4.72:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #BB543C |
| RGB | rgb(187, 84, 60) |
| HSL | hsl(11, 51%, 48%) |
| OKLCH | oklch(57.2% 0.139 34.4) |
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 #BB543C | 4.72:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #BB543C | 4.44:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #BB543C text on white | 4.72:1 | AA | Lc 72.2 | Content text, not long reading |
| #BB543C text on black | 4.44:1 | AA large text | Lc -29.5 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD2CA
oklch(88.6% 0.034 35.9)
-
Step 300
300
#E6B3A6
oklch(81% 0.063 34.7)
-
Step 400
400
#D78976
oklch(70.6% 0.1 34.4)
-
Step 500
500
#CA6A53
oklch(63.1% 0.127 34.6)
-
Step 600
600 (this color)
#BB543C
oklch(57.2% 0.139 34.4)
-
Step 700
700
#9C3F2A
oklch(49% 0.129 34.2)
-
Step 800
800
#7F3524
oklch(42.7% 0.107 34.3)
-
Step 900
900
#662F22
oklch(37.7% 0.083 34.5)
-
Step 950
950
#3C1C14
oklch(27% 0.053 35.1)
#BB543C 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) | #6F6539 | 0.140 |
| Deuteranopia (no green cones) | #897C3A | 0.128 |
| Tritanopia (no blue cones) | #CD3F4F | 0.059 |
| Achromatopsia (no color) | #737373 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB543C
#BB543C
oklch(57.2% 0.139 34.4)
- #00869C
#00869C
oklch(57% 0.101 214.6)
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 #BB543C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.035
- Burnt Orange #C04E01 ΔE 0.036
- Burnt Siena #B75203 ΔE 0.039
- Rust Orange #C45508 ΔE 0.039
- Dusty Red #B9484E ΔE 0.040
- Dull Red #BB3F3F ΔE 0.044
- Dark Coral #CF524E ΔE 0.045
- Copper #B66325 ΔE 0.047
Use #BB543C 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.