#B37F63
Closest named color: Light Brown (#AD8150). oklch(64.2% 0.076 49.2), rgb(179, 127, 99).
Aa
Black text reads best on this color (6.13:1).
About this color
#B37F63 is a medium-light, moderately saturated orange. In OKLCH its lightness is 64%, its chroma 0.076 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Light Brown (#AD8150), ΔE 0.029 away. Black text reads best on it, at 6.13:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Light Brown (#AD8150) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #B37F63 |
| RGB | rgb(179, 127, 99) |
| HSL | hsl(21, 34%, 55%) |
| OKLCH | oklch(64.2% 0.076 49.2) |
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 #B37F63 | 3.42:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #B37F63 | 6.13:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #B37F63 text on white | 3.42:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #B37F63 text on black | 6.13:1 | AA | Lc -40.0 | 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
#F8F4F2
oklch(97% 0.005 48.7)
-
Step 100
100
#F0E8E4
oklch(93.6% 0.01 48.6)
-
Step 200
200
#E5D5CD
oklch(88.4% 0.021 48.5)
-
Step 300
300
#D6BAAC
oklch(80.9% 0.038 48.2)
-
Step 400
400
#C09680
oklch(70.7% 0.06 49)
-
Step 500
500 (this color)
#B37F63
oklch(64.2% 0.076 49.2)
-
Step 600
600
#9B6446
oklch(55.6% 0.084 49)
-
Step 700
700
#845338
oklch(49.1% 0.077 49.1)
-
Step 800
800
#6B442F
oklch(42.6% 0.063 48.8)
-
Step 900
900
#573A29
oklch(37.8% 0.05 51.1)
-
Step 950
950
#332219
oklch(27% 0.031 48.9)
#B37F63 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) | #8D8461 | 0.062 |
| Deuteranopia (no green cones) | #998F63 | 0.058 |
| Tritanopia (no blue cones) | #C07678 | 0.048 |
| Achromatopsia (no color) | #8B8B8B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37F63
#B37F63
oklch(64.2% 0.076 49.2)
- #5896B2
#5896B2
oklch(64.2% 0.077 228.9)
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 #B37F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Brown #AD8150 ΔE 0.029
- Tan Brown #AB7E4C ΔE 0.032
- Puce #A57E52 ΔE 0.034
- Pinkish Brown #B17261 ΔE 0.034
- Coffee #A6814C ΔE 0.039
- Brownish Pink #C27E79 ΔE 0.042
- Pale Brown #B1916E ΔE 0.045
- Dark Tan #AF884A ΔE 0.045
Use #B37F63 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.