#BB542B
Closest named color: Burnt Orange (#C04E01). oklch(57% 0.144 40.9), rgb(187, 84, 43).
Aa
White text reads best on this color (4.75:1).
About this color
#BB542B is a medium-dark, vivid orange. In OKLCH its lightness is 57%, its chroma 0.144 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Orange (#C04E01), ΔE 0.021 away. White text reads best on it, at 4.75:1.
| Hue family | Oranges |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Burnt Orange (#C04E01) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #BB542B |
| RGB | rgb(187, 84, 43) |
| HSL | hsl(17, 63%, 45%) |
| OKLCH | oklch(57% 0.144 40.9) |
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 #BB542B | 4.75:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #BB542B | 4.41:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #BB542B text on white | 4.75:1 | AA | Lc 72.4 | Content text, not long reading |
| #BB542B text on black | 4.41:1 | AA large text | Lc -29.3 | 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
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#EFD2C7
oklch(88.5% 0.036 41.9)
-
Step 300
300
#E6B3A1
oklch(80.8% 0.065 40.3)
-
Step 400
400
#D88A6E
oklch(70.7% 0.104 40.5)
-
Step 500
500
#CB6B46
oklch(63.2% 0.132 41.3)
-
Step 600
600 (this color)
#BB542B
oklch(57% 0.144 40.9)
-
Step 700
700
#9D4019
oklch(49.2% 0.134 40.9)
-
Step 800
800
#7F3517
oklch(42.6% 0.111 40.9)
-
Step 900
900
#672F1A
oklch(37.7% 0.087 40.5)
-
Step 950
950
#3C1C10
oklch(26.9% 0.054 40.9)
#BB542B 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) | #716526 | 0.138 |
| Deuteranopia (no green cones) | #8A7C28 | 0.127 |
| Tritanopia (no blue cones) | #CD3D4B | 0.070 |
| Achromatopsia (no color) | #737373 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB542B
#BB542B
oklch(57% 0.144 40.9)
- #0085A2
#0085A2
oklch(57.1% 0.104 220.3)
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 #BB542B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Orange #C04E01 ΔE 0.021
- Brick Orange #C14A09 ΔE 0.023
- Burnt Siena #B75203 ΔE 0.023
- Rust Orange #C45508 ΔE 0.025
- Copper #B66325 ΔE 0.036
- Cinnamon #AC4F06 ΔE 0.039
- Sinopia #BB3E03 ΔE 0.042
- Rusty Orange #CD5909 ΔE 0.042
Use #BB542B 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.