#B74909
Closest named color: Burnt Siena (#B75203). oklch(54.5% 0.156 43.4), rgb(183, 73, 9).
Aa
White text reads best on this color (5.28:1).
About this color
#B74909 is a medium-dark, vivid orange. In OKLCH its lightness is 55%, its chroma 0.156 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.019 away. White text reads best on it, at 5.28:1.
| Hue family | Oranges |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #B74909 |
| RGB | rgb(183, 73, 9) |
| HSL | hsl(22, 91%, 38%) |
| OKLCH | oklch(54.5% 0.156 43.4) |
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 #B74909 | 5.28:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #B74909 | 3.97:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #B74909 text on white | 5.28:1 | AA | Lc 75.4 | Fine for body text |
| #B74909 text on black | 3.97:1 | AA large text | Lc -26.3 | 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
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F1D2C5
oklch(88.6% 0.039 44.1)
-
Step 300
300
#E9B39C
oklch(81% 0.071 44.2)
-
Step 400
400
#DB8866
oklch(70.6% 0.113 42.9)
-
Step 500
500
#CF683A
oklch(63.1% 0.144 43.3)
-
Step 600
600 (this color)
#B74909
oklch(54.5% 0.156 43.4)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#823307
oklch(42.7% 0.12 43.6)
-
Step 900
900
#692E12
oklch(37.8% 0.093 43.6)
-
Step 950
950
#3E1B0C
oklch(27% 0.06 42.8)
#B74909 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) | #695C00 | 0.149 |
| Deuteranopia (no green cones) | #847500 | 0.136 |
| Tritanopia (no blue cones) | #CA2C3F | 0.078 |
| Achromatopsia (no color) | #6C6C6C | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B74909
#B74909
oklch(54.5% 0.156 43.4)
- #007C9C
#007C9C
oklch(54.5% 0.102 224.1)
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 #B74909, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.019
- Sinopia #BB3E03 ΔE 0.020
- Brick Orange #C14A09 ΔE 0.020
- Burnt Orange #C04E01 ΔE 0.022
- Cinnamon #AC4F06 ΔE 0.023
- Rust Orange #C45508 ΔE 0.038
- Sienna #A0522D ΔE 0.046
- Burnt Umber #A0450E ΔE 0.048
Use #B74909 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.