#CF663A
Closest named color: Terracota (#CB6843). oklch(62.8% 0.145 42.2), rgb(207, 102, 58).
Aa
Black text reads best on this color (5.61:1).
About this color
#CF663A is a medium-light, vivid orange. In OKLCH its lightness is 63%, its chroma 0.145 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.010 away. Black text reads best on it, at 5.61:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.61:1 |
| White text | 3.74:1 |
Values
| HEX | #CF663A |
| RGB | rgb(207, 102, 58) |
| HSL | hsl(18, 61%, 52%) |
| OKLCH | oklch(62.8% 0.145 42.2) |
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 #CF663A | 3.74:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #CF663A | 5.61:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #CF663A text on white | 3.74:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #CF663A text on black | 5.61:1 | AA | Lc -37.2 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#E9B29D
oklch(80.9% 0.071 41.9)
-
Step 400
400
#DC8866
oklch(70.7% 0.114 42.6)
-
Step 500
500 (this color)
#CF663A
oklch(62.8% 0.145 42.2)
-
Step 600
600
#BC4B13
oklch(55.7% 0.158 42.1)
-
Step 700
700
#A13B01
oklch(49% 0.147 42.2)
-
Step 800
800
#833209
oklch(42.7% 0.122 42.3)
-
Step 900
900
#6A2D13
oklch(37.8% 0.095 41.9)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#CF663A 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) | #837635 | 0.136 |
| Deuteranopia (no green cones) | #9C8D38 | 0.126 |
| Tritanopia (no blue cones) | #E3505C | 0.074 |
| Achromatopsia (no color) | #848484 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF663A
#CF663A
oklch(62.8% 0.145 42.2)
- #0097BB
#0097BB
oklch(62.7% 0.116 222.6)
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 #CF663A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.010
- Terracotta #CA6641 ΔE 0.011
- Terra Cotta #C9643B ΔE 0.013
- Chocolate #D2691E ΔE 0.024
- Adobe #BD6C48 ΔE 0.033
- Rust #CA6702 ΔE 0.034
- Rusty Orange #CD5909 ΔE 0.034
- Browny Orange #CA6B02 ΔE 0.038
Use #CF663A 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.