#C55D0F
Closest named color: Rusty Orange (#CD5909). oklch(59.6% 0.154 49.3), rgb(197, 93, 15).
Aa
Black text reads best on this color (4.94:1).
About this color
#C55D0F is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.154 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.016 away. Black text reads best on it, at 4.94:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #C55D0F |
| RGB | rgb(197, 93, 15) |
| HSL | hsl(26, 86%, 42%) |
| OKLCH | oklch(59.6% 0.154 49.3) |
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 #C55D0F | 4.24:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #C55D0F | 4.94:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #C55D0F text on white | 4.24:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #C55D0F text on black | 4.94:1 | AA | Lc -33.0 | 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
#F7E6DD
oklch(93.6% 0.022 49.9)
-
Step 200
200
#F1D2C1
oklch(88.5% 0.042 50.6)
-
Step 300
300
#E9B396
oklch(80.9% 0.075 49.5)
-
Step 400
400
#DD8959
oklch(70.8% 0.121 49.6)
-
Step 500
500 (this color)
#C55D0F
oklch(59.6% 0.154 49.3)
-
Step 600
600
#B55200
oklch(55.5% 0.149 49.2)
-
Step 700
700
#994500
oklch(49.2% 0.131 49.6)
-
Step 800
800
#7E3700
oklch(42.6% 0.114 49.2)
-
Step 900
900
#6A2D00
oklch(37.6% 0.101 49.1)
-
Step 950
950
#3E1B05
oklch(26.9% 0.064 49.5)
#C55D0F 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) | #7B6C00 | 0.137 |
| Deuteranopia (no green cones) | #948409 | 0.124 |
| Tritanopia (no blue cones) | #D94550 | 0.089 |
| Achromatopsia (no color) | #7B7B7B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C55D0F
#C55D0F
oklch(59.6% 0.154 49.3)
- #008BB7
#008BB7
oklch(59.6% 0.118 229.5)
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 #C55D0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.016
- Rust Orange #C45508 ΔE 0.017
- Orange Brown #BE6400 ΔE 0.021
- Rust #CA6702 ΔE 0.026
- Copper #B66325 ΔE 0.028
- Terra Cotta #C9643B ΔE 0.031
- Tiger's Eye #BC6C25 ΔE 0.034
- Burnt Orange #C04E01 ΔE 0.034
Use #C55D0F 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.