#C0643F
Closest named color: Terra Cotta (#C9643B). oklch(60.4% 0.129 41.9), rgb(192, 100, 63).
Aa
Black text reads best on this color (5.13:1).
About this color
#C0643F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.129 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.017 away. Black text reads best on it, at 5.13:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.13:1 |
| White text | 4.08:1 |
Values
| HEX | #C0643F |
| RGB | rgb(192, 100, 63) |
| HSL | hsl(17, 51%, 50%) |
| OKLCH | oklch(60.4% 0.129 41.9) |
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 #C0643F | 4.08:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #C0643F | 5.13:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #C0643F text on white | 4.08:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #C0643F text on black | 5.13:1 | AA | Lc -34.0 | 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
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED2C8
oklch(88.4% 0.034 40.7)
-
Step 300
300
#E5B4A1
oklch(80.9% 0.063 42.2)
-
Step 400
400
#D68B6E
oklch(70.7% 0.101 41.9)
-
Step 500
500 (this color)
#C0643F
oklch(60.4% 0.129 41.9)
-
Step 600
600
#B45228
oklch(55.6% 0.139 42)
-
Step 700
700
#9B421A
oklch(49.1% 0.13 42.2)
-
Step 800
800
#7E3718
oklch(42.7% 0.108 42.2)
-
Step 900
900
#66301B
oklch(37.7% 0.084 41.2)
-
Step 950
950
#3C1D10
oklch(27.1% 0.053 42.9)
#C0643F 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) | #7D713B | 0.120 |
| Deuteranopia (no green cones) | #93853D | 0.110 |
| Tritanopia (no blue cones) | #D2525B | 0.066 |
| Achromatopsia (no color) | #7D7D7D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C0643F
#C0643F
oklch(60.4% 0.129 41.9)
- #0090B1
#0090B1
oklch(60.5% 0.112 221.6)
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 #C0643F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.017
- Adobe #BD6C48 ΔE 0.018
- Terracotta #CA6641 ΔE 0.020
- Terracota #CB6843 ΔE 0.024
- Clay #B66A50 ΔE 0.024
- Copper #B66325 ΔE 0.031
- Tiger's Eye #BC6C25 ΔE 0.035
- Rusty Orange #CD5909 ΔE 0.039
Use #C0643F 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.