#B85017
Closest named color: Burnt Siena (#B75203). oklch(55.8% 0.149 44.5), rgb(184, 80, 23).
Aa
White text reads best on this color (5.00:1).
About this color
#B85017 is a medium-dark, vivid orange. In OKLCH its lightness is 56%, its chroma 0.149 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.010 away. White text reads best on it, at 5.00:1.
| Hue family | Oranges |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #B85017 |
| RGB | rgb(184, 80, 23) |
| HSL | hsl(21, 78%, 41%) |
| OKLCH | oklch(55.8% 0.149 44.5) |
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 #B85017 | 5.00:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #B85017 | 4.19:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #B85017 text on white | 5.00:1 | AA | Lc 73.9 | Content text, not long reading |
| #B85017 text on black | 4.19:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E7B39D
oklch(80.8% 0.068 44)
-
Step 400
400
#D88A67
oklch(70.6% 0.107 44.7)
-
Step 500
500
#CC6B3D
oklch(63.2% 0.137 44.7)
-
Step 600
600 (this color)
#B85017
oklch(55.8% 0.149 44.5)
-
Step 700
700
#9E4005
oklch(49.2% 0.139 44.7)
-
Step 800
800
#80350C
oklch(42.7% 0.115 44.3)
-
Step 900
900
#672F14
oklch(37.6% 0.089 44.3)
-
Step 950
950
#3D1C0D
oklch(27% 0.057 44)
#B85017 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) | #6E610B | 0.140 |
| Deuteranopia (no green cones) | #877812 | 0.127 |
| Tritanopia (no blue cones) | #CB3745 | 0.077 |
| Achromatopsia (no color) | #6F6F6F | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B85017
#B85017
oklch(55.8% 0.149 44.5)
- #0080A1
#0080A1
oklch(55.7% 0.105 224.1)
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 #B85017, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.010
- Burnt Orange #C04E01 ΔE 0.016
- Brick Orange #C14A09 ΔE 0.018
- Cinnamon #AC4F06 ΔE 0.025
- Rust Orange #C45508 ΔE 0.028
- Sinopia #BB3E03 ΔE 0.032
- Orangey Brown #B16002 ΔE 0.040
- Copper #B66325 ΔE 0.040
Use #B85017 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.