#CC643C
Closest named color: Terra Cotta (#C9643B). oklch(62.1% 0.143 40.9), rgb(204, 100, 60).
Aa
Black text reads best on this color (5.45:1).
About this color
#CC643C is a medium-light, vivid orange. In OKLCH its lightness is 62%, its chroma 0.143 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.006 away. Black text reads best on it, at 5.45:1.
| Hue family | Oranges |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #CC643C |
| RGB | rgb(204, 100, 60) |
| HSL | hsl(17, 59%, 52%) |
| OKLCH | oklch(62.1% 0.143 40.9) |
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 #CC643C | 3.84:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #CC643C | 5.45:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #CC643C text on white | 3.84:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #CC643C text on black | 5.45:1 | AA | Lc -36.2 | 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
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#E9B29E
oklch(80.9% 0.07 40.9)
-
Step 400
400
#DC8869
oklch(70.8% 0.112 40.9)
-
Step 500
500 (this color)
#CC643C
oklch(62.1% 0.143 40.9)
-
Step 600
600
#BB4B1B
oklch(55.5% 0.156 40.8)
-
Step 700
700
#A13C0C
oklch(49.2% 0.144 41)
-
Step 800
800
#83320F
oklch(42.7% 0.12 40.8)
-
Step 900
900
#692D15
oklch(37.6% 0.093 41.1)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#CC643C 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) | #807438 | 0.136 |
| Deuteranopia (no green cones) | #9A8B3A | 0.125 |
| Tritanopia (no blue cones) | #DF4F5B | 0.070 |
| Achromatopsia (no color) | #828282 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CC643C
#CC643C
oklch(62.1% 0.143 40.9)
- #0095B6
#0095B6
oklch(62% 0.114 220.9)
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 #CC643C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.006
- Terracotta #CA6641 ΔE 0.006
- Terracota #CB6843 ΔE 0.009
- Adobe #BD6C48 ΔE 0.030
- Chocolate #D2691E ΔE 0.030
- Rusty Orange #CD5909 ΔE 0.032
- Rust #CA6702 ΔE 0.037
- Browny Orange #CA6B02 ΔE 0.041
Use #CC643C 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.