#B45600
Closest named color: Burnt Siena (#B75203). oklch(56% 0.145 51.6), rgb(180, 86, 0).
Aa
White text reads best on this color (4.91:1).
About this color
#B45600 is a medium-dark, vivid orange. In OKLCH its lightness is 56%, its chroma 0.145 and its hue 52°. 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 4.91:1.
| Hue family | Oranges |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #B45600 |
| RGB | rgb(180, 86, 0) |
| HSL | hsl(29, 100%, 35%) |
| OKLCH | oklch(56% 0.145 51.6) |
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 #B45600 | 4.91:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #B45600 | 4.27:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #B45600 text on white | 4.91:1 | AA | Lc 73.4 | Content text, not long reading |
| #B45600 text on black | 4.27:1 | AA large text | Lc -28.3 | 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
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EED3C4
oklch(88.5% 0.037 51)
-
Step 300
300
#E4B59B
oklch(80.9% 0.065 50.4)
-
Step 400
400
#D48D62
oklch(70.6% 0.104 51.5)
-
Step 500
500
#C76F34
oklch(63.1% 0.133 51.6)
-
Step 600
600 (this color)
#B45600
oklch(56% 0.145 51.6)
-
Step 700
700
#974700
oklch(49.2% 0.127 51.6)
-
Step 800
800
#7C3900
oklch(42.6% 0.11 51.5)
-
Step 900
900
#65320D
oklch(37.8% 0.087 51.8)
-
Step 950
950
#3B1E0A
oklch(27% 0.055 52.6)
#B45600 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 | 0.123 |
| Deuteranopia (no green cones) | #887900 | 0.113 |
| Tritanopia (no blue cones) | #C64049 | 0.087 |
| Achromatopsia (no color) | #717171 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B45600
#B45600
oklch(56% 0.145 51.6)
- #007FAB
#007FAB
oklch(56% 0.114 231.6)
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 #B45600, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.010
- Orangey Brown #B16002 ΔE 0.023
- Cinnamon #AC4F06 ΔE 0.024
- Burnt Orange #C04E01 ΔE 0.026
- Raw Umber #A75E09 ΔE 0.028
- Copper #B66325 ΔE 0.030
- Rust Orange #C45508 ΔE 0.031
- Umber #B26400 ΔE 0.032
Use #B45600 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.