#BB542D
Closest named color: Burnt Orange (#C04E01). oklch(57% 0.143 40.3), rgb(187, 84, 45).
Aa
White text reads best on this color (4.75:1).
About this color
#BB542D is a medium-dark, vivid orange. In OKLCH its lightness is 57%, its chroma 0.143 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Orange (#C04E01), ΔE 0.023 away. White text reads best on it, at 4.75:1.
| Hue family | Oranges |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Burnt Orange (#C04E01) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #BB542D |
| RGB | rgb(187, 84, 45) |
| HSL | hsl(16, 61%, 45%) |
| OKLCH | oklch(57% 0.143 40.3) |
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 #BB542D | 4.75:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #BB542D | 4.41:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #BB542D text on white | 4.75:1 | AA | Lc 72.4 | Content text, not long reading |
| #BB542D 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
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A1
oklch(80.8% 0.065 40.3)
-
Step 400
400
#D88A6F
oklch(70.8% 0.104 39.8)
-
Step 500
500
#CB6B48
oklch(63.2% 0.131 40.4)
-
Step 600
600 (this color)
#BB542D
oklch(57% 0.143 40.3)
-
Step 700
700
#9D401B
oklch(49.2% 0.133 40.3)
-
Step 800
800
#7F3519
oklch(42.6% 0.11 40.1)
-
Step 900
900
#672F1B
oklch(37.7% 0.087 39.8)
-
Step 950
950
#3C1C11
oklch(26.9% 0.054 39.5)
#BB542D 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) | #716528 | 0.138 |
| Deuteranopia (no green cones) | #8A7C2A | 0.127 |
| Tritanopia (no blue cones) | #CD3E4C | 0.068 |
| Achromatopsia (no color) | #737373 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB542D
#BB542D
oklch(57% 0.143 40.3)
- #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 #BB542D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Orange #C04E01 ΔE 0.023
- Brick Orange #C14A09 ΔE 0.024
- Burnt Siena #B75203 ΔE 0.025
- Rust Orange #C45508 ΔE 0.027
- Copper #B66325 ΔE 0.037
- Cinnamon #AC4F06 ΔE 0.040
- Sinopia #BB3E03 ΔE 0.042
- Rusty Orange #CD5909 ΔE 0.043
Use #BB542D 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.