#CC540C
Closest named color: Rusty Orange (#CD5909). oklch(59.4% 0.168 44), rgb(204, 84, 12).
Aa
Black text reads best on this color (4.84:1).
About this color
#CC540C is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.168 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.011 away. Black text reads best on it, at 4.84:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #CC540C |
| RGB | rgb(204, 84, 12) |
| HSL | hsl(23, 89%, 42%) |
| OKLCH | oklch(59.4% 0.168 44) |
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 #CC540C | 4.33:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #CC540C | 4.84:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #CC540C text on white | 4.33:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #CC540C text on black | 4.84:1 | AA | Lc -32.5 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DD
oklch(93.6% 0.025 43.2)
-
Step 200
200
#F4D0C1
oklch(88.4% 0.046 43.9)
-
Step 300
300
#EFB095
oklch(80.9% 0.083 44.2)
-
Step 400
400
#E48359
oklch(70.7% 0.132 43.6)
-
Step 500
500 (this color)
#CC540C
oklch(59.4% 0.168 44)
-
Step 600
600
#BC4B00
oklch(55.6% 0.161 44.3)
-
Step 700
700
#9F3E00
oklch(49.1% 0.142 44.2)
-
Step 800
800
#843200
oklch(42.8% 0.124 44.1)
-
Step 900
900
#6F2900
oklch(37.9% 0.11 44.2)
-
Step 950
950
#411905
oklch(27% 0.069 44.7)
#CC540C 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) | #776800 | 0.159 |
| Deuteranopia (no green cones) | #948401 | 0.146 |
| Tritanopia (no blue cones) | #E13548 | 0.085 |
| Achromatopsia (no color) | #797979 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CC540C
#CC540C
oklch(59.4% 0.168 44)
- #008CAF
#008CAF
oklch(59.4% 0.111 223.6)
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 #CC540C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.011
- Rust Orange #C45508 ΔE 0.015
- Burnt Orange #C04E01 ΔE 0.028
- Deep Orange #DC4D01 ΔE 0.030
- Brick Orange #C14A09 ΔE 0.032
- Terra Cotta #C9643B ΔE 0.036
- Rust #CA6702 ΔE 0.041
- Orange Brown #BE6400 ΔE 0.041
Use #CC540C 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.