#BB6434
Closest named color: Copper (#B66325). oklch(59.6% 0.128 47.5), rgb(187, 100, 52).
Aa
Black text reads best on this color (4.98:1).
About this color
#BB6434 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.128 and its hue 48°. 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 4.98:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #BB6434 |
| RGB | rgb(187, 100, 52) |
| HSL | hsl(21, 56%, 47%) |
| OKLCH | oklch(59.6% 0.128 47.5) |
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 #BB6434 | 4.21:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #BB6434 | 4.98:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #BB6434 text on white | 4.21:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #BB6434 text on black | 4.98:1 | AA | Lc -33.0 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E7E0
oklch(93.7% 0.018 48.5)
-
Step 200
200
#EDD3C6
oklch(88.5% 0.034 48.3)
-
Step 300
300
#E3B59E
oklch(80.8% 0.062 47.9)
-
Step 400
400
#D48D69
oklch(70.7% 0.1 47.5)
-
Step 500
500 (this color)
#BB6434
oklch(59.6% 0.128 47.5)
-
Step 600
600
#B2551B
oklch(55.6% 0.138 47.8)
-
Step 700
700
#99440B
oklch(49% 0.129 47.3)
-
Step 800
800
#7C390F
oklch(42.7% 0.106 47.8)
-
Step 900
900
#643215
oklch(37.7% 0.083 48.3)
-
Step 950
950
#3B1E0E
oklch(27.1% 0.052 48.3)
#BB6434 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) | #7C702F | 0.113 |
| Deuteranopia (no green cones) | #918333 | 0.104 |
| Tritanopia (no blue cones) | #CD5259 | 0.074 |
| Achromatopsia (no color) | #7B7B7B | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB6434
#BB6434
oklch(59.6% 0.128 47.5)
- #008BB4
#008BB4
oklch(59.4% 0.116 227.7)
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 #BB6434, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.016
- Adobe #BD6C48 ΔE 0.024
- Tiger's Eye #BC6C25 ΔE 0.026
- Terra Cotta #C9643B ΔE 0.027
- Orange Brown #BE6400 ΔE 0.028
- Clay #B66A50 ΔE 0.029
- Clay Brown #B2713D ΔE 0.032
- Terracotta #CA6641 ΔE 0.032
Use #BB6434 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.