#BB6521
Closest named color: Copper (#B66325). oklch(59.6% 0.135 53.8), rgb(187, 101, 33).
Aa
Black text reads best on this color (4.99:1).
About this color
#BB6521 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.135 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.011 away. Black text reads best on it, at 4.99:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #BB6521 |
| RGB | rgb(187, 101, 33) |
| HSL | hsl(26, 70%, 43%) |
| OKLCH | oklch(59.6% 0.135 53.8) |
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 #BB6521 | 4.20:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #BB6521 | 4.99:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #BB6521 text on white | 4.20:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #BB6521 text on black | 4.99:1 | AA | Lc -33.1 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F5E7DE
oklch(93.7% 0.02 55.1)
-
Step 200
200
#EDD3C3
oklch(88.4% 0.036 53.7)
-
Step 300
300
#E3B699
oklch(80.9% 0.066 54.4)
-
Step 400
400
#D48E60
oklch(70.7% 0.105 53.5)
-
Step 500
500 (this color)
#BB6521
oklch(59.6% 0.135 53.8)
-
Step 600
600
#B05800
oklch(55.7% 0.14 54)
-
Step 700
700
#944900
oklch(49% 0.123 54)
-
Step 800
800
#7A3B00
oklch(42.6% 0.107 54)
-
Step 900
900
#643209
oklch(37.6% 0.088 53.8)
-
Step 950
950
#3B1E09
oklch(27% 0.055 53.6)
#BB6521 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) | #7E7016 | 0.111 |
| Deuteranopia (no green cones) | #938320 | 0.099 |
| Tritanopia (no blue cones) | #CD5258 | 0.087 |
| Achromatopsia (no color) | #7C7C7C | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB6521
#BB6521
oklch(59.6% 0.135 53.8)
- #008ABD
#008ABD
oklch(59.6% 0.124 233.6)
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 #BB6521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.011
- Orange Brown #BE6400 ΔE 0.013
- Tiger's Eye #BC6C25 ΔE 0.016
- Brown Orange #B96902 ΔE 0.018
- Umber #B26400 ΔE 0.023
- Orangey Brown #B16002 ΔE 0.026
- Rust #CA6702 ΔE 0.030
- Clay Brown #B2713D ΔE 0.031
Use #BB6521 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.