#B1541A
Closest named color: Burnt Siena (#B75203). oklch(55.3% 0.138 47.7), rgb(177, 84, 26).
Aa
White text reads best on this color (5.05:1).
About this color
#B1541A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.138 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.013 away. White text reads best on it, at 5.05:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #B1541A |
| RGB | rgb(177, 84, 26) |
| HSL | hsl(23, 74%, 40%) |
| OKLCH | oklch(55.3% 0.138 47.7) |
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 #B1541A | 5.05:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #B1541A | 4.15:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #B1541A text on white | 5.05:1 | AA | Lc 74.3 | Content text, not long reading |
| #B1541A text on black | 4.15:1 | AA large text | Lc -27.4 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E7E0
oklch(93.7% 0.018 48.5)
-
Step 200
200
#EDD3C6
oklch(88.5% 0.034 48.3)
-
Step 300
300
#E3B59E
oklch(80.8% 0.062 47.9)
-
Step 400
400
#D48D69
oklch(70.7% 0.1 47.5)
-
Step 500
500
#C76F3F
oklch(63.2% 0.128 47.7)
-
Step 600
600 (this color)
#B1541A
oklch(55.3% 0.138 47.7)
-
Step 700
700
#99450C
oklch(49.2% 0.128 47.8)
-
Step 800
800
#7C390F
oklch(42.7% 0.106 47.8)
-
Step 900
900
#643215
oklch(37.7% 0.083 48.3)
-
Step 950
950
#3B1E0E
oklch(27.1% 0.052 48.3)
#B1541A 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) | #6F620F | 0.124 |
| Deuteranopia (no green cones) | #857717 | 0.114 |
| Tritanopia (no blue cones) | #C33F49 | 0.078 |
| Achromatopsia (no color) | #6F6F6F | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1541A
#B1541A
oklch(55.3% 0.138 47.7)
- #007EA3
#007EA3
oklch(55.3% 0.107 227.3)
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 #B1541A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.013
- Cinnamon #AC4F06 ΔE 0.017
- Burnt Orange #C04E01 ΔE 0.028
- Raw Umber #A75E09 ΔE 0.032
- Orangey Brown #B16002 ΔE 0.032
- Brick Orange #C14A09 ΔE 0.033
- Sienna #A0522D ΔE 0.036
- Copper #B66325 ΔE 0.036
Use #B1541A 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.