#B66657
Closest named color: Clay (#B66A50). oklch(59.8% 0.106 31.6), rgb(182, 102, 87).
Aa
Black text reads best on this color (5.02:1).
About this color
#B66657 is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.106 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.016 away. Black text reads best on it, at 5.02:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #B66657 |
| RGB | rgb(182, 102, 87) |
| HSL | hsl(9, 39%, 53%) |
| OKLCH | oklch(59.8% 0.106 31.6) |
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 #B66657 | 4.17:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #B66657 | 5.02:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #B66657 text on white | 4.17:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #B66657 text on black | 5.02:1 | AA | Lc -33.2 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#ECD3CD
oklch(88.6% 0.029 33.7)
-
Step 300
300
#E0B5AC
oklch(80.9% 0.052 31.9)
-
Step 400
400
#CF8D80
oklch(70.6% 0.083 31.6)
-
Step 500
500 (this color)
#B66657
oklch(59.8% 0.106 31.6)
-
Step 600
600
#AC5747
oklch(55.6% 0.115 32)
-
Step 700
700
#944639
oklch(49.1% 0.108 31)
-
Step 800
800
#783A2F
oklch(42.6% 0.089 31.5)
-
Step 900
900
#61332A
oklch(37.8% 0.069 32.1)
-
Step 950
950
#391E19
oklch(27% 0.044 31.3)
#B66657 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) | #797256 | 0.106 |
| Deuteranopia (no green cones) | #8D8256 | 0.097 |
| Tritanopia (no blue cones) | #C55962 | 0.044 |
| Achromatopsia (no color) | #7C7C7C | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66657
#B66657
oklch(59.8% 0.106 31.6)
- #008FA3
#008FA3
oklch(59.7% 0.104 211.9)
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 #B66657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.016
- Pinkish Brown #B17261 ΔE 0.028
- Adobe #BD6C48 ΔE 0.031
- Dusky Rose #BA6873 ΔE 0.039
- Terracotta #CA6641 ΔE 0.043
- Terra Cotta #C9643B ΔE 0.044
- Terracota #CB6843 ΔE 0.045
- Indian Red #CD5C5C ΔE 0.047
Use #B66657 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.