#B1604E
Closest named color: Clay (#B66A50). oklch(57.9% 0.109 33.6), rgb(177, 96, 78).
Aa
Black text reads best on this color (4.65:1).
About this color
#B1604E is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.109 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.027 away. Black text reads best on it, at 4.65:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #B1604E |
| RGB | rgb(177, 96, 78) |
| HSL | hsl(11, 39%, 50%) |
| OKLCH | oklch(57.9% 0.109 33.6) |
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 #B1604E | 4.51:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #B1604E | 4.65:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #B1604E text on white | 4.51:1 | AA | Lc 71.0 | Content text, not long reading |
| #B1604E text on black | 4.65:1 | AA | Lc -30.7 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EBD3CE
oklch(88.5% 0.028 31.7)
-
Step 300
300
#DEB6AC
oklch(80.9% 0.049 34.4)
-
Step 400
400
#CD8F81
oklch(70.8% 0.079 33.2)
-
Step 500
500
#BE7261
oklch(63.1% 0.1 33.4)
-
Step 600
600 (this color)
#B1604E
oklch(57.9% 0.109 33.6)
-
Step 700
700
#914939
oklch(49.1% 0.101 33.7)
-
Step 800
800
#763C2F
oklch(42.7% 0.084 33.8)
-
Step 900
900
#5F342A
oklch(37.7% 0.065 34)
-
Step 950
950
#381F19
oklch(27.1% 0.041 34.3)
#B1604E 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) | #746C4C | 0.108 |
| Deuteranopia (no green cones) | #887D4D | 0.100 |
| Tritanopia (no blue cones) | #C0535C | 0.047 |
| Achromatopsia (no color) | #767676 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1604E
#B1604E
oklch(57.9% 0.109 33.6)
- #00899E
#00899E
oklch(57.9% 0.101 213.4)
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 #B1604E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.027
- Earth #A2653E ΔE 0.038
- Adobe #BD6C48 ΔE 0.041
- Pinkish Brown #B17261 ΔE 0.043
- Copper #B66325 ΔE 0.046
- Terra Cotta #C9643B ΔE 0.051
- Dusky Rose #BA6873 ΔE 0.053
- Terracotta #CA6641 ΔE 0.053
Use #B1604E 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.