#B54500
Closest named color: Sinopia (#BB3E03). oklch(53.6% 0.159 43), rgb(181, 69, 0).
Aa
White text reads best on this color (5.50:1).
About this color
#B54500 is a medium-dark, vivid orange. In OKLCH its lightness is 54%, its chroma 0.159 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.016 away. White text reads best on it, at 5.50:1.
| Hue family | Oranges |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #B54500 |
| RGB | rgb(181, 69, 0) |
| HSL | hsl(23, 100%, 35%) |
| OKLCH | oklch(53.6% 0.159 43) |
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 #B54500 | 5.50:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #B54500 | 3.81:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #B54500 text on white | 5.50:1 | AA | Lc 76.5 | Fine for body text |
| #B54500 text on black | 3.81:1 | AA large text | Lc -25.2 | 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
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#E9B29C
oklch(80.8% 0.071 42.8)
-
Step 400
400
#DC8865
oklch(70.7% 0.114 43.2)
-
Step 500
500
#D06739
oklch(63.1% 0.146 42.9)
-
Step 600
600 (this color)
#B54500
oklch(53.6% 0.159 43)
-
Step 700
700
#A13C00
oklch(49.1% 0.146 42.8)
-
Step 800
800
#833206
oklch(42.7% 0.122 43)
-
Step 900
900
#6A2D11
oklch(37.8% 0.096 42.9)
-
Step 950
950
#3E1B0C
oklch(27% 0.06 42.8)
#B54500 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) | #665900 | 0.152 |
| Deuteranopia (no green cones) | #817200 | 0.137 |
| Tritanopia (no blue cones) | #C8263B | 0.078 |
| Achromatopsia (no color) | #696969 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B54500
#B54500
oklch(53.6% 0.159 43)
- #007A98
#007A98
oklch(53.8% 0.1 222.9)
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 #B54500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.016
- Cinnamon #AC4F06 ΔE 0.024
- Brick Orange #C14A09 ΔE 0.027
- Burnt Siena #B75203 ΔE 0.027
- Burnt Orange #C04E01 ΔE 0.030
- Burnt Umber #A0450E ΔE 0.041
- Rusty Red #AF2F0D ΔE 0.044
- Sienna #A0522D ΔE 0.045
Use #B54500 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.