#B54B09
Closest named color: Burnt Siena (#B75203). oklch(54.5% 0.153 44.7), rgb(181, 75, 9).
Aa
White text reads best on this color (5.28:1).
About this color
#B54B09 is a medium-dark, vivid orange. In OKLCH its lightness is 55%, its chroma 0.153 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.017 away. White text reads best on it, at 5.28:1.
| Hue family | Oranges |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #B54B09 |
| RGB | rgb(181, 75, 9) |
| HSL | hsl(23, 91%, 37%) |
| OKLCH | oklch(54.5% 0.153 44.7) |
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 #B54B09 | 5.28:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #B54B09 | 3.97:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #B54B09 text on white | 5.28:1 | AA | Lc 75.5 | Fine for body text |
| #B54B09 text on black | 3.97:1 | AA large text | Lc -26.3 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C5
oklch(88.5% 0.038 44.8)
-
Step 300
300
#E7B39C
oklch(80.8% 0.069 45)
-
Step 400
400
#D98A66
oklch(70.7% 0.109 45)
-
Step 500
500
#CD6A3A
oklch(63.1% 0.14 44.9)
-
Step 600
600 (this color)
#B54B09
oklch(54.5% 0.153 44.7)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#813407
oklch(42.7% 0.118 44.6)
-
Step 900
900
#682F12
oklch(37.8% 0.091 45)
-
Step 950
950
#3D1C0C
oklch(27% 0.058 45.1)
#B54B09 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) | #6A5D00 | 0.143 |
| Deuteranopia (no green cones) | #847501 | 0.130 |
| Tritanopia (no blue cones) | #C73040 | 0.078 |
| Achromatopsia (no color) | #6C6C6C | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B54B09
#B54B09
oklch(54.5% 0.153 44.7)
- #007C9D
#007C9D
oklch(54.5% 0.103 224.8)
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 #B54B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.017
- Cinnamon #AC4F06 ΔE 0.018
- Brick Orange #C14A09 ΔE 0.023
- Burnt Orange #C04E01 ΔE 0.023
- Sinopia #BB3E03 ΔE 0.025
- Rust Orange #C45508 ΔE 0.039
- Sienna #A0522D ΔE 0.042
- Burnt Umber #A0450E ΔE 0.045
Use #B54B09 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.