#B5613D
Closest named color: Copper (#B66325). oklch(58.4% 0.12 43.1), rgb(181, 97, 61).
Aa
Black text reads best on this color (4.74:1).
About this color
#B5613D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.120 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.024 away. Black text reads best on it, at 4.74:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #B5613D |
| RGB | rgb(181, 97, 61) |
| HSL | hsl(18, 50%, 47%) |
| OKLCH | oklch(58.4% 0.12 43.1) |
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 #B5613D | 4.42:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #B5613D | 4.74:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #B5613D text on white | 4.42:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #B5613D text on black | 4.74:1 | AA | Lc -31.3 | Non-text elements, placeholder text |
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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#EBD3CA
oklch(88.4% 0.03 41.7)
-
Step 300
300
#E0B6A5
oklch(80.9% 0.054 43.2)
-
Step 400
400
#CF8F75
oklch(70.7% 0.087 43)
-
Step 500
500
#C17251
oklch(63.2% 0.11 43.1)
-
Step 600
600 (this color)
#B5613D
oklch(58.4% 0.12 43.1)
-
Step 700
700
#934827
oklch(49% 0.111 43.1)
-
Step 800
800
#783C22
oklch(42.8% 0.092 43.1)
-
Step 900
900
#613421
oklch(37.8% 0.072 43.1)
-
Step 950
950
#391F14
oklch(27.1% 0.045 43.4)
#B5613D 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) | #786D39 | 0.110 |
| Deuteranopia (no green cones) | #8C7F3C | 0.101 |
| Tritanopia (no blue cones) | #C65159 | 0.064 |
| Achromatopsia (no color) | #787878 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5613D
#B5613D
oklch(58.4% 0.12 43.1)
- #0089AA
#0089AA
oklch(58.5% 0.109 222.6)
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 #B5613D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.024
- Clay #B66A50 ΔE 0.026
- Adobe #BD6C48 ΔE 0.032
- Earth #A2653E ΔE 0.035
- Terra Cotta #C9643B ΔE 0.039
- Orangey Brown #B16002 ΔE 0.039
- Clay Brown #B2713D ΔE 0.040
- Rust Orange #C45508 ΔE 0.041
Use #B5613D 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.