#B66549
Closest named color: Clay (#B66A50). oklch(59.3% 0.112 39.7), rgb(182, 101, 73).
Aa
Black text reads best on this color (4.94:1).
About this color
#B66549 is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.112 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.012 away. Black text reads best on it, at 4.94:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #B66549 |
| RGB | rgb(182, 101, 73) |
| HSL | hsl(15, 43%, 50%) |
| OKLCH | oklch(59.3% 0.112 39.7) |
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 #B66549 | 4.24:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #B66549 | 4.94:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #B66549 text on white | 4.24:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #B66549 text on black | 4.94:1 | AA | Lc -32.7 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EBD3CC
oklch(88.5% 0.029 36.9)
-
Step 300
300
#DEB6A9
oklch(80.8% 0.05 38.8)
-
Step 400
400
#CD907B
oklch(70.8% 0.081 39.8)
-
Step 500
500
#BE7359
oklch(63.1% 0.103 39.8)
-
Step 600
600 (this color)
#B66549
oklch(59.3% 0.112 39.7)
-
Step 700
700
#914930
oklch(49% 0.104 39.6)
-
Step 800
800
#763D29
oklch(42.8% 0.086 39.8)
-
Step 900
900
#603425
oklch(37.7% 0.068 39.5)
-
Step 950
950
#381F16
oklch(27% 0.042 40.5)
#B66549 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) | #7A7046 | 0.106 |
| Deuteranopia (no green cones) | #8E8248 | 0.098 |
| Tritanopia (no blue cones) | #C6575E | 0.055 |
| Achromatopsia (no color) | #7B7B7B | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66549
#B66549
oklch(59.3% 0.112 39.7)
- #008DAA
#008DAA
oklch(59.5% 0.108 219.2)
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 #B66549, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.012
- Adobe #BD6C48 ΔE 0.023
- Copper #B66325 ΔE 0.034
- Pinkish Brown #B17261 ΔE 0.036
- Terra Cotta #C9643B ΔE 0.036
- Clay Brown #B2713D ΔE 0.037
- Terracotta #CA6641 ΔE 0.038
- Earth #A2653E ΔE 0.040
Use #B66549 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.