#B9643B
Closest named color: Copper (#B66325). oklch(59.4% 0.123 45.2), rgb(185, 100, 59).
Aa
Black text reads best on this color (4.94:1).
About this color
#B9643B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.123 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.020 away. Black text reads best on it, at 4.94:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #B9643B |
| RGB | rgb(185, 100, 59) |
| HSL | hsl(20, 52%, 48%) |
| OKLCH | oklch(59.4% 0.123 45.2) |
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 #B9643B | 4.24:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #B9643B | 4.94:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #B9643B text on white | 4.24:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #B9643B 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 500.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#EDD3C7
oklch(88.5% 0.033 46.4)
-
Step 300
300
#E3B5A1
oklch(80.9% 0.06 44.7)
-
Step 400
400
#D38D6E
oklch(70.7% 0.096 44.6)
-
Step 500
500 (this color)
#B9643B
oklch(59.4% 0.123 45.2)
-
Step 600
600
#B15526
oklch(55.6% 0.134 45.1)
-
Step 700
700
#984519
oklch(49.1% 0.124 45)
-
Step 800
800
#7B3917
oklch(42.6% 0.103 45.2)
-
Step 900
900
#64321A
oklch(37.8% 0.08 45)
-
Step 950
950
#3B1E10
oklch(27.1% 0.051 45.7)
#B9643B 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) | #7B6F37 | 0.111 |
| Deuteranopia (no green cones) | #90823A | 0.101 |
| Tritanopia (no blue cones) | #CA535B | 0.069 |
| Achromatopsia (no color) | #7B7B7B | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9643B
#B9643B
oklch(59.4% 0.123 45.2)
- #008BB1
#008BB1
oklch(59.3% 0.113 225.7)
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 #B9643B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.020
- Adobe #BD6C48 ΔE 0.022
- Clay #B66A50 ΔE 0.023
- Terra Cotta #C9643B ΔE 0.030
- Tiger's Eye #BC6C25 ΔE 0.032
- Clay Brown #B2713D ΔE 0.032
- Terracotta #CA6641 ΔE 0.033
- Orange Brown #BE6400 ΔE 0.035
Use #B9643B 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.