#B25529
Closest named color: Burnt Siena (#B75203). oklch(55.7% 0.134 43.9), rgb(178, 85, 41).
Aa
White text reads best on this color (4.97:1).
About this color
#B25529 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.134 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.020 away. White text reads best on it, at 4.97:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #B25529 |
| RGB | rgb(178, 85, 41) |
| HSL | hsl(19, 63%, 43%) |
| OKLCH | oklch(55.7% 0.134 43.9) |
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 #B25529 | 4.97:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #B25529 | 4.22:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #B25529 text on white | 4.97:1 | AA | Lc 73.9 | Content text, not long reading |
| #B25529 text on black | 4.22:1 | AA large text | Lc -27.9 | 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
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A1
oklch(80.9% 0.06 44.7)
-
Step 400
400
#D38D6F
oklch(70.7% 0.096 44)
-
Step 500
500
#C66E48
oklch(63% 0.123 43.4)
-
Step 600
600 (this color)
#B25529
oklch(55.7% 0.134 43.9)
-
Step 700
700
#98441B
oklch(49% 0.124 43.8)
-
Step 800
800
#7C3919
oklch(42.8% 0.103 44)
-
Step 900
900
#64321B
oklch(37.8% 0.08 44.2)
-
Step 950
950
#3B1D11
oklch(26.9% 0.052 42.1)
#B25529 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) | #6F6324 | 0.124 |
| Deuteranopia (no green cones) | #867827 | 0.114 |
| Tritanopia (no blue cones) | #C3414C | 0.070 |
| Achromatopsia (no color) | #707070 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B25529
#B25529
oklch(55.7% 0.134 43.9)
- #0080A1
#0080A1
oklch(55.7% 0.105 224.1)
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 #B25529, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.020
- Cinnamon #AC4F06 ΔE 0.025
- Burnt Orange #C04E01 ΔE 0.030
- Brick Orange #C14A09 ΔE 0.033
- Copper #B66325 ΔE 0.036
- Sienna #A0522D ΔE 0.036
- Rust Orange #C45508 ΔE 0.037
- Orangey Brown #B16002 ΔE 0.037
Use #B25529 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.