#B75504
Closest named color: Burnt Siena (#B75203). oklch(56.3% 0.148 49.8), rgb(183, 85, 4).
Aa
White text reads best on this color (4.86:1).
About this color
#B75504 is a medium-dark, vivid orange. In OKLCH its lightness is 56%, its chroma 0.148 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.006 away. White text reads best on it, at 4.86:1.
| Hue family | Oranges |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #B75504 |
| RGB | rgb(183, 85, 4) |
| HSL | hsl(27, 96%, 37%) |
| OKLCH | oklch(56.3% 0.148 49.8) |
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 #B75504 | 4.86:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #B75504 | 4.31:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #B75504 text on white | 4.86:1 | AA | Lc 73.1 | Content text, not long reading |
| #B75504 text on black | 4.31:1 | AA large text | Lc -28.6 | 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
#F5E6DF
oklch(93.5% 0.019 46.8)
-
Step 200
200
#EED3C4
oklch(88.5% 0.037 51)
-
Step 300
300
#E5B59B
oklch(81% 0.066 49.8)
-
Step 400
400
#D68C63
oklch(70.7% 0.106 49.4)
-
Step 500
500
#C96D34
oklch(63% 0.136 49.7)
-
Step 600
600 (this color)
#B75504
oklch(56.3% 0.148 49.8)
-
Step 700
700
#994500
oklch(49.2% 0.131 49.6)
-
Step 800
800
#7E3800
oklch(42.8% 0.113 50)
-
Step 900
900
#66310E
oklch(37.8% 0.089 49.7)
-
Step 950
950
#3C1D0A
oklch(27% 0.057 49.8)
#B75504 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) | #726300 | 0.129 |
| Deuteranopia (no green cones) | #897A00 | 0.118 |
| Tritanopia (no blue cones) | #C93E48 | 0.085 |
| Achromatopsia (no color) | #717171 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B75504
#B75504
oklch(56.3% 0.148 49.8)
- #0080AA
#0080AA
oklch(56.2% 0.112 230.2)
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 #B75504, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.006
- Burnt Orange #C04E01 ΔE 0.020
- Rust Orange #C45508 ΔE 0.025
- Orangey Brown #B16002 ΔE 0.026
- Cinnamon #AC4F06 ΔE 0.027
- Brick Orange #C14A09 ΔE 0.028
- Copper #B66325 ΔE 0.030
- Raw Umber #A75E09 ΔE 0.034
Use #B75504 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.