#CF663F
Closest named color: Terracota (#CB6843). oklch(62.8% 0.143 40.4), rgb(207, 102, 63).
Aa
Black text reads best on this color (5.62:1).
About this color
#CF663F is a medium-light, vivid orange. In OKLCH its lightness is 63%, its chroma 0.143 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.008 away. Black text reads best on it, at 5.62:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #CF663F |
| RGB | rgb(207, 102, 63) |
| HSL | hsl(16, 60%, 53%) |
| OKLCH | oklch(62.8% 0.143 40.4) |
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 #CF663F | 3.73:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #CF663F | 5.62:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #CF663F text on white | 3.73:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #CF663F text on black | 5.62:1 | AA | Lc -37.3 | 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
#E9B29E
oklch(80.9% 0.07 40.9)
-
Step 400
400
#DC8869
oklch(70.8% 0.112 40.9)
-
Step 500
500 (this color)
#CF663F
oklch(62.8% 0.143 40.4)
-
Step 600
600
#BB4B1C
oklch(55.5% 0.156 40.6)
-
Step 700
700
#A13B0D
oklch(49.1% 0.145 40.4)
-
Step 800
800
#833210
oklch(42.7% 0.12 40.5)
-
Step 900
900
#692D16
oklch(37.6% 0.093 40.5)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#CF663F 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) | #82763B | 0.137 |
| Deuteranopia (no green cones) | #9C8D3D | 0.126 |
| Tritanopia (no blue cones) | #E2515D | 0.070 |
| Achromatopsia (no color) | #848484 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF663F
#CF663F
oklch(62.8% 0.143 40.4)
- #0098B9
#0098B9
oklch(62.9% 0.115 220.5)
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 #CF663F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.008
- Terracotta #CA6641 ΔE 0.009
- Terra Cotta #C9643B ΔE 0.013
- Chocolate #D2691E ΔE 0.029
- Adobe #BD6C48 ΔE 0.033
- Rusty Orange #CD5909 ΔE 0.038
- Rust #CA6702 ΔE 0.039
- Browny Orange #CA6B02 ΔE 0.042
Use #CF663F 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.