#CA633E
Closest named color: Terra Cotta (#C9643B). oklch(61.7% 0.141 39.9), rgb(202, 99, 62).
Aa
Black text reads best on this color (5.36:1).
About this color
#CA633E is a medium-dark, vivid red. In OKLCH its lightness is 62%, its chroma 0.141 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.005 away. Black text reads best on it, at 5.36:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #CA633E |
| RGB | rgb(202, 99, 62) |
| HSL | hsl(16, 57%, 52%) |
| OKLCH | oklch(61.7% 0.141 39.9) |
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 #CA633E | 3.91:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #CA633E | 5.36:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #CA633E text on white | 3.91:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #CA633E text on black | 5.36:1 | AA | Lc -35.6 | 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
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#E9B29F
oklch(80.9% 0.07 39.9)
-
Step 400
400
#DB886B
oklch(70.7% 0.11 40)
-
Step 500
500 (this color)
#CA633E
oklch(61.7% 0.141 39.9)
-
Step 600
600
#BA4C21
oklch(55.6% 0.153 40)
-
Step 700
700
#A03C13
oklch(49.1% 0.142 39.9)
-
Step 800
800
#823213
oklch(42.6% 0.118 39.8)
-
Step 900
900
#692D18
oklch(37.7% 0.092 39.3)
-
Step 950
950
#3E1B0F
oklch(27% 0.059 39.4)
#CA633E 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) | #7F733A | 0.135 |
| Deuteranopia (no green cones) | #98893C | 0.123 |
| Tritanopia (no blue cones) | #DD4E5B | 0.069 |
| Achromatopsia (no color) | #818181 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA633E
#CA633E
oklch(61.7% 0.141 39.9)
- #0094B3
#0094B3
oklch(61.6% 0.112 219.6)
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 #CA633E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.005
- Terracotta #CA6641 ΔE 0.006
- Terracota #CB6843 ΔE 0.011
- Adobe #BD6C48 ΔE 0.028
- Rusty Orange #CD5909 ΔE 0.033
- Chocolate #D2691E ΔE 0.035
- Clay #B66A50 ΔE 0.038
- Rust #CA6702 ΔE 0.039
Use #CA633E 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.