#BB6730
Closest named color: Copper (#B66325). oklch(60% 0.127 51), rgb(187, 103, 48).
Aa
Black text reads best on this color (5.09:1).
About this color
#BB6730 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.127 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.016 away. Black text reads best on it, at 5.09:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #BB6730 |
| RGB | rgb(187, 103, 48) |
| HSL | hsl(24, 59%, 46%) |
| OKLCH | oklch(60% 0.127 51) |
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 #BB6730 | 4.12:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #BB6730 | 5.09:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #BB6730 text on white | 4.12:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #BB6730 text on black | 5.09:1 | AA | Lc -33.7 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#EDD3C5
oklch(88.5% 0.035 50.2)
-
Step 300
300
#E2B69D
oklch(80.9% 0.062 51.1)
-
Step 400
400
#D38E66
oklch(70.7% 0.1 50.6)
-
Step 500
500 (this color)
#BB6730
oklch(60% 0.127 51)
-
Step 600
600
#B15610
oklch(55.6% 0.139 50.7)
-
Step 700
700
#974600
oklch(49% 0.128 50.9)
-
Step 800
800
#7B3A07
oklch(42.6% 0.107 51.1)
-
Step 900
900
#633312
oklch(37.7% 0.082 51.7)
-
Step 950
950
#3A1E0C
oklch(26.9% 0.052 51.5)
#BB6730 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) | #7F7129 | 0.108 |
| Deuteranopia (no green cones) | #93842F | 0.098 |
| Tritanopia (no blue cones) | #CD555B | 0.079 |
| Achromatopsia (no color) | #7D7D7D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB6730
#BB6730
oklch(60% 0.127 51)
- #008CBB
#008CBB
oklch(60% 0.121 231)
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 #BB6730, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.016
- Tiger's Eye #BC6C25 ΔE 0.017
- Orange Brown #BE6400 ΔE 0.022
- Adobe #BD6C48 ΔE 0.024
- Clay Brown #B2713D ΔE 0.026
- Brown Orange #B96902 ΔE 0.026
- Terra Cotta #C9643B ΔE 0.030
- Umber #B26400 ΔE 0.031
Use #BB6730 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.