#C7571D
Closest named color: Rust Orange (#C45508). oklch(59.1% 0.158 43.8), rgb(199, 87, 29).
Aa
Black text reads best on this color (4.80:1).
About this color
#C7571D is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.158 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.011 away. Black text reads best on it, at 4.80:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.80:1 |
| White text | 4.36:1 |
Values
| HEX | #C7571D |
| RGB | rgb(199, 87, 29) |
| HSL | hsl(20, 75%, 45%) |
| OKLCH | oklch(59.1% 0.158 43.8) |
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 #C7571D | 4.36:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #C7571D | 4.80:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #C7571D text on white | 4.36:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #C7571D text on black | 4.80:1 | AA | Lc -32.1 | 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
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D2C5
oklch(88.6% 0.039 44.1)
-
Step 300
300
#E9B39C
oklch(81% 0.071 44.2)
-
Step 400
400
#DB8865
oklch(70.6% 0.113 43.4)
-
Step 500
500
#D06838
oklch(63.2% 0.145 43.8)
-
Step 600
600 (this color)
#C7571D
oklch(59.1% 0.158 43.8)
-
Step 700
700
#A03E00
oklch(49.2% 0.143 44)
-
Step 800
800
#833304
oklch(42.8% 0.122 44.1)
-
Step 900
900
#692D10
oklch(37.6% 0.095 43.7)
-
Step 950
950
#3E1B0C
oklch(27% 0.06 42.8)
#C7571D 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) | #776912 | 0.149 |
| Deuteranopia (no green cones) | #928218 | 0.135 |
| Tritanopia (no blue cones) | #DB3C4C | 0.081 |
| Achromatopsia (no color) | #797979 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C7571D
#C7571D
oklch(59.1% 0.158 43.8)
- #008BAE
#008BAE
oklch(59.1% 0.111 223.7)
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 #C7571D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.011
- Rusty Orange #CD5909 ΔE 0.015
- Burnt Orange #C04E01 ΔE 0.025
- Brick Orange #C14A09 ΔE 0.030
- Terra Cotta #C9643B ΔE 0.031
- Burnt Siena #B75203 ΔE 0.036
- Orange Brown #BE6400 ΔE 0.036
- Copper #B66325 ΔE 0.037
Use #C7571D 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.