#B44309
Closest named color: Sinopia (#BB3E03). oklch(53.2% 0.158 41.3), rgb(180, 67, 9).
Aa
White text reads best on this color (5.60:1).
About this color
#B44309 is a medium-dark, vivid orange. In OKLCH its lightness is 53%, its chroma 0.158 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.014 away. White text reads best on it, at 5.60:1.
| Hue family | Oranges |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #B44309 |
| RGB | rgb(180, 67, 9) |
| HSL | hsl(20, 90%, 37%) |
| OKLCH | oklch(53.2% 0.158 41.3) |
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 #B44309 | 5.60:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #B44309 | 3.74:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #B44309 text on white | 5.60:1 | AA | Lc 77.1 | Fine for body text |
| #B44309 text on black | 3.74:1 | AA large text | Lc -24.7 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#E9B29D
oklch(80.9% 0.071 41.9)
-
Step 400
400
#DC8767
oklch(70.6% 0.114 41.3)
-
Step 500
500
#D1663C
oklch(63.1% 0.147 41.2)
-
Step 600
600 (this color)
#B44309
oklch(53.2% 0.158 41.3)
-
Step 700
700
#A23B05
oklch(49.2% 0.147 41.4)
-
Step 800
800
#83310C
oklch(42.6% 0.122 41)
-
Step 900
900
#6A2D14
oklch(37.8% 0.095 41.4)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#B44309 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) | #645800 | 0.155 |
| Deuteranopia (no green cones) | #807100 | 0.140 |
| Tritanopia (no blue cones) | #C7233A | 0.075 |
| Achromatopsia (no color) | #686868 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B44309
#B44309
oklch(53.2% 0.158 41.3)
- #007994
#007994
oklch(53.3% 0.098 220.6)
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 #B44309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.014
- Cinnamon #AC4F06 ΔE 0.027
- Brick Orange #C14A09 ΔE 0.031
- Burnt Siena #B75203 ΔE 0.033
- Burnt Orange #C04E01 ΔE 0.035
- Rusty Red #AF2F0D ΔE 0.039
- Burnt Umber #A0450E ΔE 0.039
- Sienna #A0522D ΔE 0.044
Use #B44309 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.