#B6633D
Closest named color: Copper (#B66325). oklch(58.8% 0.119 44.4), rgb(182, 99, 61).
Aa
Black text reads best on this color (4.84:1).
About this color
#B6633D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.119 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.022 away. Black text reads best on it, at 4.84:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #B6633D |
| RGB | rgb(182, 99, 61) |
| HSL | hsl(19, 50%, 48%) |
| OKLCH | oklch(58.8% 0.119 44.4) |
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 #B6633D | 4.33:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #B6633D | 4.84:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #B6633D text on white | 4.33:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #B6633D text on black | 4.84:1 | AA | Lc -32.0 | 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 600.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EBD3C9
oklch(88.4% 0.03 44)
-
Step 300
300
#DFB6A5
oklch(80.8% 0.053 43.7)
-
Step 400
400
#CE8F74
oklch(70.6% 0.086 44.1)
-
Step 500
500
#C07250
oklch(63% 0.11 43.9)
-
Step 600
600 (this color)
#B6633D
oklch(58.8% 0.119 44.4)
-
Step 700
700
#934926
oklch(49.1% 0.111 44.4)
-
Step 800
800
#773C21
oklch(42.6% 0.091 44.1)
-
Step 900
900
#613420
oklch(37.8% 0.072 44)
-
Step 950
950
#391F13
oklch(27.1% 0.046 45.1)
#B6633D 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) | #7A6E39 | 0.107 |
| Deuteranopia (no green cones) | #8E803C | 0.098 |
| Tritanopia (no blue cones) | #C7535A | 0.065 |
| Achromatopsia (no color) | #797979 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B6633D
#B6633D
oklch(58.8% 0.119 44.4)
- #008AAD
#008AAD
oklch(58.8% 0.11 223.9)
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 #B6633D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.022
- Clay #B66A50 ΔE 0.023
- Adobe #BD6C48 ΔE 0.027
- Clay Brown #B2713D ΔE 0.035
- Terra Cotta #C9643B ΔE 0.035
- Earth #A2653E ΔE 0.036
- Tiger's Eye #BC6C25 ΔE 0.037
- Terracotta #CA6641 ΔE 0.039
Use #B6633D 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.