#BF6431
Closest named color: Copper (#B66325). oklch(60.1% 0.133 47.5), rgb(191, 100, 49).
Aa
Black text reads best on this color (5.08:1).
About this color
#BF6431 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.133 and its hue 48°. 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 5.08:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #BF6431 |
| RGB | rgb(191, 100, 49) |
| HSL | hsl(22, 59%, 47%) |
| OKLCH | oklch(60.1% 0.133 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 #BF6431 | 4.13:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #BF6431 | 5.08:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #BF6431 text on white | 4.13:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #BF6431 text on black | 5.08:1 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E6DF
oklch(93.5% 0.019 46.8)
-
Step 200
200
#EED3C5
oklch(88.6% 0.036 49.2)
-
Step 300
300
#E5B59D
oklch(81% 0.065 47.9)
-
Step 400
400
#D68C66
oklch(70.7% 0.105 47.7)
-
Step 500
500 (this color)
#BF6431
oklch(60.1% 0.133 47.5)
-
Step 600
600
#B55312
oklch(55.7% 0.145 47.6)
-
Step 700
700
#9B4300
oklch(49.2% 0.134 47.9)
-
Step 800
800
#7E3709
oklch(42.6% 0.112 47.1)
-
Step 900
900
#663112
oklch(37.8% 0.087 47.9)
-
Step 950
950
#3C1D0C
oklch(27% 0.056 47.7)
#BF6431 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) | #7E702B | 0.117 |
| Deuteranopia (no green cones) | #948530 | 0.108 |
| Tritanopia (no blue cones) | #D15159 | 0.076 |
| Achromatopsia (no color) | #7D7D7D | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF6431
#BF6431
oklch(60.1% 0.133 47.5)
- #008DB7
#008DB7
oklch(60.1% 0.117 227.9)
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 #BF6431, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.020
- Terra Cotta #C9643B ΔE 0.022
- Adobe #BD6C48 ΔE 0.024
- Tiger's Eye #BC6C25 ΔE 0.024
- Orange Brown #BE6400 ΔE 0.025
- Terracotta #CA6641 ΔE 0.027
- Terracota #CB6843 ΔE 0.030
- Rust #CA6702 ΔE 0.032
Use #BF6431 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.