#CB6333
Closest named color: Terra Cotta (#C9643B). oklch(61.7% 0.146 43.6), rgb(203, 99, 51).
Aa
Black text reads best on this color (5.37:1).
About this color
#CB6333 is a medium-dark, vivid orange. In OKLCH its lightness is 62%, its chroma 0.146 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.007 away. Black text reads best on it, at 5.37:1.
| Hue family | Oranges |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #CB6333 |
| RGB | rgb(203, 99, 51) |
| HSL | hsl(19, 60%, 50%) |
| OKLCH | oklch(61.7% 0.146 43.6) |
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 #CB6333 | 3.90:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #CB6333 | 5.37:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #CB6333 text on white | 3.90:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #CB6333 text on black | 5.37:1 | AA | Lc -35.7 | 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
#E9B29C
oklch(80.8% 0.071 42.8)
-
Step 400
400
#DC8865
oklch(70.7% 0.114 43.2)
-
Step 500
500 (this color)
#CB6333
oklch(61.7% 0.146 43.6)
-
Step 600
600
#BB4C0A
oklch(55.6% 0.158 43.9)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#833204
oklch(42.7% 0.123 43.5)
-
Step 900
900
#692D10
oklch(37.6% 0.095 43.7)
-
Step 950
950
#3E1B0B
oklch(27% 0.061 43.8)
#CB6333 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) | #80722D | 0.136 |
| Deuteranopia (no green cones) | #998A31 | 0.125 |
| Tritanopia (no blue cones) | #DF4D59 | 0.077 |
| Achromatopsia (no color) | #818181 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB6333
#CB6333
oklch(61.7% 0.146 43.6)
- #0093B8
#0093B8
oklch(61.6% 0.116 223.8)
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 #CB6333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.007
- Terracotta #CA6641 ΔE 0.013
- Terracota #CB6843 ΔE 0.016
- Rusty Orange #CD5909 ΔE 0.025
- Chocolate #D2691E ΔE 0.027
- Rust #CA6702 ΔE 0.029
- Adobe #BD6C48 ΔE 0.031
- Browny Orange #CA6B02 ΔE 0.035
Use #CB6333 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.