#BF643B
Closest named color: Terra Cotta (#C9643B). oklch(60.2% 0.129 43.8), rgb(191, 100, 59).
Aa
Black text reads best on this color (5.10:1).
About this color
#BF643B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.129 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.018 away. Black text reads best on it, at 5.10:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #BF643B |
| RGB | rgb(191, 100, 59) |
| HSL | hsl(19, 53%, 49%) |
| OKLCH | oklch(60.2% 0.129 43.8) |
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 #BF643B | 4.11:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #BF643B | 5.10:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #BF643B text on white | 4.11:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #BF643B text on black | 5.10:1 | AA | Lc -33.8 | 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
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED2C7
oklch(88.4% 0.035 42.7)
-
Step 300
300
#E5B4A0
oklch(80.9% 0.064 43.3)
-
Step 400
400
#D68C6C
oklch(70.8% 0.101 44.1)
-
Step 500
500 (this color)
#BF643B
oklch(60.2% 0.129 43.8)
-
Step 600
600
#B45223
oklch(55.5% 0.141 43.5)
-
Step 700
700
#9B4215
oklch(49.1% 0.131 43.5)
-
Step 800
800
#7E3715
oklch(42.7% 0.109 43.5)
-
Step 900
900
#653118
oklch(37.7% 0.083 44.8)
-
Step 950
950
#3C1D0F
oklch(27.1% 0.054 44.2)
#BF643B 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) | #7D7137 | 0.118 |
| Deuteranopia (no green cones) | #93853A | 0.109 |
| Tritanopia (no blue cones) | #D1525B | 0.070 |
| Achromatopsia (no color) | #7D7D7D | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF643B
#BF643B
oklch(60.2% 0.129 43.8)
- #008EB2
#008EB2
oklch(60.1% 0.113 223.9)
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 #BF643B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.018
- Adobe #BD6C48 ΔE 0.019
- Terracotta #CA6641 ΔE 0.022
- Clay #B66A50 ΔE 0.026
- Terracota #CB6843 ΔE 0.026
- Copper #B66325 ΔE 0.027
- Tiger's Eye #BC6C25 ΔE 0.031
- Orange Brown #BE6400 ΔE 0.035
Use #BF643B 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.