#BF6331
Closest named color: Copper (#B66325). oklch(59.9% 0.134 46.9), rgb(191, 99, 49).
Aa
Black text reads best on this color (5.04:1).
About this color
#BF6331 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.134 and its hue 47°. 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 5.04:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #BF6331 |
| RGB | rgb(191, 99, 49) |
| HSL | hsl(21, 59%, 47%) |
| OKLCH | oklch(59.9% 0.134 46.9) |
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 #BF6331 | 4.16:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #BF6331 | 5.04:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #BF6331 text on white | 4.16:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #BF6331 text on black | 5.04:1 | AA | Lc -33.5 | 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
#F5E6DF
oklch(93.5% 0.019 46.8)
-
Step 200
200
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E5B49D
oklch(80.8% 0.065 46.4)
-
Step 400
400
#D68C67
oklch(70.7% 0.104 47.1)
-
Step 500
500 (this color)
#BF6331
oklch(59.9% 0.134 46.9)
-
Step 600
600
#B55213
oklch(55.6% 0.146 46.9)
-
Step 700
700
#9C4201
oklch(49.2% 0.136 46.9)
-
Step 800
800
#7E3709
oklch(42.6% 0.112 47.1)
-
Step 900
900
#663013
oklch(37.6% 0.088 46.3)
-
Step 950
950
#3C1D0D
oklch(27% 0.055 46.6)
#BF6331 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) | #7D702B | 0.120 |
| Deuteranopia (no green cones) | #93842F | 0.109 |
| Tritanopia (no blue cones) | #D15058 | 0.075 |
| Achromatopsia (no color) | #7C7C7C | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF6331
#BF6331
oklch(59.9% 0.134 46.9)
- #008DB5
#008DB5
oklch(60% 0.115 226.7)
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 #BF6331, 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 0.025
- Orange Brown #BE6400 ΔE 0.026
- Tiger's Eye #BC6C25 ΔE 0.026
- Terracotta #CA6641 ΔE 0.027
- Terracota #CB6843 ΔE 0.031
- Rust Orange #C45508 ΔE 0.031
Use #BF6331 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.