#B66751
Closest named color: Clay (#B66A50). oklch(59.8% 0.107 36.4), rgb(182, 103, 81).
Aa
Black text reads best on this color (5.04:1).
About this color
#B66751 is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.107 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.008 away. Black text reads best on it, at 5.04:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #B66751 |
| RGB | rgb(182, 103, 81) |
| HSL | hsl(13, 41%, 52%) |
| OKLCH | oklch(59.8% 0.107 36.4) |
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 #B66751 | 4.16:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #B66751 | 5.04:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #B66751 text on white | 4.16:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #B66751 text on black | 5.04:1 | AA | Lc -33.3 | 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 500.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E3
oklch(93.7% 0.015 37.9)
-
Step 200
200
#EBD3CC
oklch(88.5% 0.029 36.9)
-
Step 300
300
#E0B5A9
oklch(80.8% 0.053 36.1)
-
Step 400
400
#CF8E7C
oklch(70.7% 0.084 36.1)
-
Step 500
500 (this color)
#B66751
oklch(59.8% 0.107 36.4)
-
Step 600
600
#AC5840
oklch(55.6% 0.116 36.8)
-
Step 700
700
#944732
oklch(49.1% 0.109 36.2)
-
Step 800
800
#783B2A
oklch(42.7% 0.09 36.5)
-
Step 900
900
#613326
oklch(37.7% 0.07 36.6)
-
Step 950
950
#391E17
oklch(27% 0.044 35.4)
#B66751 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) | #7B724F | 0.103 |
| Deuteranopia (no green cones) | #8E8350 | 0.096 |
| Tritanopia (no blue cones) | #C65A62 | 0.051 |
| Achromatopsia (no color) | #7C7C7C | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66751
#B66751
oklch(59.8% 0.107 36.4)
- #008FA8
#008FA8
oklch(59.9% 0.106 215.9)
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 #B66751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.008
- Adobe #BD6C48 ΔE 0.023
- Pinkish Brown #B17261 ΔE 0.028
- Terracotta #CA6641 ΔE 0.039
- Terra Cotta #C9643B ΔE 0.039
- Clay Brown #B2713D ΔE 0.040
- Terracota #CB6843 ΔE 0.041
- Copper #B66325 ΔE 0.043
Use #B66751 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.