#B64913
Closest named color: Sinopia (#BB3E03). oklch(54.4% 0.154 42.2), rgb(182, 73, 19).
Aa
White text reads best on this color (5.31:1).
About this color
#B64913 is a medium-dark, vivid orange. In OKLCH its lightness is 54%, its chroma 0.154 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.020 away. White text reads best on it, at 5.31:1.
| Hue family | Oranges |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #B64913 |
| RGB | rgb(182, 73, 19) |
| HSL | hsl(20, 81%, 39%) |
| OKLCH | oklch(54.4% 0.154 42.2) |
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 #B64913 | 5.31:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #B64913 | 3.95:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #B64913 text on white | 5.31:1 | AA | Lc 75.6 | Fine for body text |
| #B64913 text on black | 3.95:1 | AA large text | Lc -26.1 | 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
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D2C6
oklch(88.6% 0.038 43.1)
-
Step 300
300
#E8B39E
oklch(81% 0.069 42.6)
-
Step 400
400
#DB8968
oklch(70.8% 0.111 42.5)
-
Step 500
500
#CF683E
oklch(63.1% 0.142 41.9)
-
Step 600
600 (this color)
#B64913
oklch(54.4% 0.154 42.2)
-
Step 700
700
#A03D08
oklch(49.1% 0.143 42.3)
-
Step 800
800
#82330D
oklch(42.7% 0.119 42.2)
-
Step 900
900
#692E14
oklch(37.8% 0.093 42.6)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#B64913 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) | #695C06 | 0.148 |
| Deuteranopia (no green cones) | #83740C | 0.134 |
| Tritanopia (no blue cones) | #C92D3F | 0.075 |
| Achromatopsia (no color) | #6B6B6B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B64913
#B64913
oklch(54.4% 0.154 42.2)
- #007C9A
#007C9A
oklch(54.4% 0.101 222.5)
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 #B64913, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.020
- Burnt Siena #B75203 ΔE 0.022
- Brick Orange #C14A09 ΔE 0.022
- Cinnamon #AC4F06 ΔE 0.023
- Burnt Orange #C04E01 ΔE 0.025
- Rust Orange #C45508 ΔE 0.041
- Sienna #A0522D ΔE 0.043
- Burnt Umber #A0450E ΔE 0.046
Use #B64913 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.