#CC643D
Closest named color: Terracotta (#CA6641). oklch(62.1% 0.143 40.5), rgb(204, 100, 61).
Aa
Black text reads best on this color (5.45:1).
About this color
#CC643D 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 Terracotta (#CA6641), ΔE 0.005 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 | Terracotta (#CA6641) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #CC643D |
| RGB | rgb(204, 100, 61) |
| HSL | hsl(16, 58%, 52%) |
| OKLCH | oklch(62.1% 0.143 40.5) |
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 #CC643D | 3.84:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #CC643D | 5.45:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #CC643D text on white | 3.84:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #CC643D 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
#FBF3F1
oklch(97% 0.009 34.3)
-
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
#E9B29F
oklch(80.9% 0.07 39.9)
-
Step 400
400
#DB886A
oklch(70.7% 0.111 40.6)
-
Step 500
500 (this color)
#CC643D
oklch(62.1% 0.143 40.5)
-
Step 600
600
#BB4B1D
oklch(55.6% 0.155 40.4)
-
Step 700
700
#A13C0E
oklch(49.2% 0.144 40.7)
-
Step 800
800
#833211
oklch(42.8% 0.12 40.2)
-
Step 900
900
#692D16
oklch(37.6% 0.093 40.5)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#CC643D 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) | #807439 | 0.136 |
| Deuteranopia (no green cones) | #998B3B | 0.126 |
| Tritanopia (no blue cones) | #DF4F5B | 0.070 |
| Achromatopsia (no color) | #828282 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CC643D
#CC643D
oklch(62.1% 0.143 40.5)
- #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 #CC643D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.005
- Terra Cotta #C9643B ΔE 0.006
- Terracota #CB6843 ΔE 0.009
- Adobe #BD6C48 ΔE 0.029
- Chocolate #D2691E ΔE 0.031
- Rusty Orange #CD5909 ΔE 0.033
- Rust #CA6702 ΔE 0.037
- Clay #B66A50 ΔE 0.042
Use #CC643D 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.