#C3571C
Closest named color: Rust Orange (#C45508). oklch(58.5% 0.154 44.8), rgb(195, 87, 28).
Aa
Black text reads best on this color (4.70:1).
About this color
#C3571C is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.154 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.008 away. Black text reads best on it, at 4.70:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #C3571C |
| RGB | rgb(195, 87, 28) |
| HSL | hsl(21, 75%, 44%) |
| OKLCH | oklch(58.5% 0.154 44.8) |
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 #C3571C | 4.46:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #C3571C | 4.70:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #C3571C text on white | 4.46:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #C3571C text on black | 4.70:1 | AA | Lc -31.4 | 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 600.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C5
oklch(88.5% 0.038 44.8)
-
Step 300
300
#E8B39C
oklch(80.9% 0.07 44.6)
-
Step 400
400
#DA8965
oklch(70.6% 0.111 44.5)
-
Step 500
500
#CE6939
oklch(63.1% 0.142 44.4)
-
Step 600
600 (this color)
#C3571C
oklch(58.5% 0.154 44.8)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#813406
oklch(42.6% 0.118 44.8)
-
Step 900
900
#682E11
oklch(37.6% 0.093 44.5)
-
Step 950
950
#3D1C0C
oklch(27% 0.058 45.1)
#C3571C 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) | #766811 | 0.144 |
| Deuteranopia (no green cones) | #908018 | 0.130 |
| Tritanopia (no blue cones) | #D63E4C | 0.080 |
| Achromatopsia (no color) | #777777 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3571C
#C3571C
oklch(58.5% 0.154 44.8)
- #0089AD
#0089AD
oklch(58.6% 0.111 224.7)
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 #C3571C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.008
- Burnt Orange #C04E01 ΔE 0.020
- Rusty Orange #CD5909 ΔE 0.021
- Brick Orange #C14A09 ΔE 0.026
- Burnt Siena #B75203 ΔE 0.029
- Copper #B66325 ΔE 0.032
- Orange Brown #BE6400 ΔE 0.034
- Terra Cotta #C9643B ΔE 0.035
Use #C3571C 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.