#CF603F
Closest named color: Terracotta (#CA6641). oklch(61.9% 0.149 37.3), rgb(207, 96, 63).
Aa
Black text reads best on this color (5.39:1).
About this color
#CF603F is a medium-dark, vivid red. In OKLCH its lightness is 62%, its chroma 0.149 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.014 away. Black text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #CF603F |
| RGB | rgb(207, 96, 63) |
| HSL | hsl(14, 60%, 53%) |
| OKLCH | oklch(61.9% 0.149 37.3) |
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 #CF603F | 3.89:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #CF603F | 5.39:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #CF603F text on white | 3.89:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #CF603F text on black | 5.39:1 | AA | Lc -35.9 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5E0
oklch(93.5% 0.021 36)
-
Step 200
200
#F2D1C7
oklch(88.6% 0.04 37.5)
-
Step 300
300
#EBB19F
oklch(80.9% 0.073 37.9)
-
Step 400
400
#DF856B
oklch(70.7% 0.117 36.9)
-
Step 500
500 (this color)
#CF603F
oklch(61.9% 0.149 37.3)
-
Step 600
600
#BE4721
oklch(55.5% 0.161 37.3)
-
Step 700
700
#A43713
oklch(49.1% 0.151 37.1)
-
Step 800
800
#852F14
oklch(42.7% 0.124 37.2)
-
Step 900
900
#6B2B18
oklch(37.7% 0.097 37.1)
-
Step 950
950
#3F1A0F
oklch(27% 0.061 37.3)
#CF603F 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) | #7E723B | 0.146 |
| Deuteranopia (no green cones) | #998A3C | 0.134 |
| Tritanopia (no blue cones) | #E34959 | 0.068 |
| Achromatopsia (no color) | #818181 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF603F
#CF603F
oklch(61.9% 0.149 37.3)
- #0096B1
#0096B1
oklch(62% 0.111 216.5)
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 #CF603F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.014
- Terra Cotta #C9643B ΔE 0.015
- Terracota #CB6843 ΔE 0.017
- Rusty Orange #CD5909 ΔE 0.034
- Pale Red #D9544D ΔE 0.036
- Adobe #BD6C48 ΔE 0.038
- Chocolate #D2691E ΔE 0.038
- Indian Red #CD5C5C ΔE 0.039
Use #CF603F 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.