#BB4D03
Closest named color: Burnt Orange (#C04E01). oklch(55.7% 0.158 45.1), rgb(187, 77, 3).
Aa
White text reads best on this color (5.02:1).
About this color
#BB4D03 is a medium-dark, vivid orange. In OKLCH its lightness is 56%, its chroma 0.158 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Orange (#C04E01), ΔE 0.010 away. White text reads best on it, at 5.02:1.
| Hue family | Oranges |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Burnt Orange (#C04E01) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #BB4D03 |
| RGB | rgb(187, 77, 3) |
| HSL | hsl(24, 97%, 37%) |
| OKLCH | oklch(55.7% 0.158 45.1) |
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 #BB4D03 | 5.02:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #BB4D03 | 4.17:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #BB4D03 text on white | 5.02:1 | AA | Lc 73.9 | Content text, not long reading |
| #BB4D03 text on black | 4.17:1 | AA large text | Lc -27.8 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F1D2C4
oklch(88.6% 0.04 45.8)
-
Step 300
300
#E9B39B
oklch(81% 0.071 45.1)
-
Step 400
400
#DB8963
oklch(70.7% 0.113 45.3)
-
Step 500
500
#CF6835
oklch(63% 0.145 45)
-
Step 600
600 (this color)
#BB4D03
oklch(55.7% 0.158 45.1)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#823301
oklch(42.6% 0.121 45)
-
Step 900
900
#692E0F
oklch(37.7% 0.094 45)
-
Step 950
950
#3E1B0B
oklch(27% 0.061 43.8)
#BB4D03 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) | #6D5F00 | 0.148 |
| Deuteranopia (no green cones) | #887800 | 0.133 |
| Tritanopia (no blue cones) | #CE3142 | 0.082 |
| Achromatopsia (no color) | #6F6F6F | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4D03
#BB4D03
oklch(55.7% 0.158 45.1)
- #0080A2
#0080A2
oklch(55.8% 0.106 224.8)
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 #BB4D03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Orange #C04E01 ΔE 0.010
- Burnt Siena #B75203 ΔE 0.012
- Brick Orange #C14A09 ΔE 0.013
- Rust Orange #C45508 ΔE 0.026
- Sinopia #BB3E03 ΔE 0.028
- Cinnamon #AC4F06 ΔE 0.029
- Orangey Brown #B16002 ΔE 0.044
- Copper #B66325 ΔE 0.045
Use #BB4D03 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.