#B74D1F
Closest named color: Burnt Siena (#B75203). oklch(55.2% 0.149 41.4), rgb(183, 77, 31).
Aa
White text reads best on this color (5.12:1).
About this color
#B74D1F is a medium-dark, vivid orange. In OKLCH its lightness is 55%, its chroma 0.149 and its hue 41°. 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 5.12:1.
| Hue family | Oranges |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #B74D1F |
| RGB | rgb(183, 77, 31) |
| HSL | hsl(18, 71%, 42%) |
| OKLCH | oklch(55.2% 0.149 41.4) |
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 #B74D1F | 5.12:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #B74D1F | 4.09:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #B74D1F text on white | 5.12:1 | AA | Lc 74.6 | Content text, not long reading |
| #B74D1F text on black | 4.09:1 | AA large text | Lc -27.1 | 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
#E7B39F
oklch(80.9% 0.067 42)
-
Step 400
400
#D9896B
oklch(70.6% 0.107 41.3)
-
Step 500
500
#CD6942
oklch(63.1% 0.138 41.3)
-
Step 600
600 (this color)
#B74D1F
oklch(55.2% 0.149 41.4)
-
Step 700
700
#9E3E12
oklch(49% 0.138 41.4)
-
Step 800
800
#813413
oklch(42.7% 0.115 41.3)
-
Step 900
900
#682E17
oklch(37.7% 0.09 41.2)
-
Step 950
950
#3D1C0F
oklch(27% 0.056 41.6)
#B74D1F 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) | #6B5F18 | 0.144 |
| Deuteranopia (no green cones) | #85771B | 0.132 |
| Tritanopia (no blue cones) | #C93444 | 0.071 |
| Achromatopsia (no color) | #6E6E6E | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B74D1F
#B74D1F
oklch(55.2% 0.149 41.4)
- #007F9C
#007F9C
oklch(55.2% 0.101 221.2)
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 #B74D1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.019
- Brick Orange #C14A09 ΔE 0.020
- Burnt Orange #C04E01 ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.026
- Sinopia #BB3E03 ΔE 0.026
- Rust Orange #C45508 ΔE 0.035
- Sienna #A0522D ΔE 0.043
- Copper #B66325 ΔE 0.048
Use #B74D1F 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.