#B66348
Closest named color: Clay (#B66A50). oklch(59% 0.114 38.7), rgb(182, 99, 72).
Aa
Black text reads best on this color (4.86:1).
About this color
#B66348 is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.114 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.017 away. Black text reads best on it, at 4.86:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #B66348 |
| RGB | rgb(182, 99, 72) |
| HSL | hsl(15, 43%, 50%) |
| OKLCH | oklch(59% 0.114 38.7) |
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 #B66348 | 4.31:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #B66348 | 4.86:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #B66348 text on white | 4.31:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #B66348 text on black | 4.86:1 | AA | Lc -32.2 | 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 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
#DFB6A9
oklch(80.9% 0.051 38.3)
-
Step 400
400
#CE8F7B
oklch(70.7% 0.082 38.4)
-
Step 500
500
#C07259
oklch(63.2% 0.106 38.5)
-
Step 600
600 (this color)
#B66348
oklch(59% 0.114 38.7)
-
Step 700
700
#924830
oklch(49% 0.107 38.5)
-
Step 800
800
#773C29
oklch(42.7% 0.088 38.5)
-
Step 900
900
#603425
oklch(37.7% 0.068 39.5)
-
Step 950
950
#391F16
oklch(27.2% 0.044 39.8)
#B66348 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) | #786F45 | 0.110 |
| Deuteranopia (no green cones) | #8D8147 | 0.101 |
| Tritanopia (no blue cones) | #C6545C | 0.055 |
| Achromatopsia (no color) | #7A7A7A | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66348
#B66348
oklch(59% 0.114 38.7)
- #008CA8
#008CA8
oklch(59.1% 0.107 218.5)
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 #B66348, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.017
- Adobe #BD6C48 ΔE 0.027
- Copper #B66325 ΔE 0.034
- Terra Cotta #C9643B ΔE 0.037
- Pinkish Brown #B17261 ΔE 0.039
- Terracotta #CA6641 ΔE 0.039
- Earth #A2653E ΔE 0.040
- Clay Brown #B2713D ΔE 0.041
Use #B66348 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.