#C0571F
Closest named color: Rust Orange (#C45508). oklch(58.1% 0.15 44.8), rgb(192, 87, 31).
Aa
Black text reads best on this color (4.62:1).
About this color
#C0571F is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.150 and its hue 45°. 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 4.62:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.62:1 |
| White text | 4.54:1 |
Values
| HEX | #C0571F |
| RGB | rgb(192, 87, 31) |
| HSL | hsl(21, 72%, 44%) |
| OKLCH | oklch(58.1% 0.15 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 #C0571F | 4.54:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #C0571F | 4.62:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #C0571F text on white | 4.54:1 | AA | Lc 70.9 | Content text, not long reading |
| #C0571F text on black | 4.62:1 | AA | Lc -30.8 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
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
#E7B39D
oklch(80.8% 0.068 44)
-
Step 400
400
#D98A67
oklch(70.7% 0.109 44.5)
-
Step 500
500
#CC6A3C
oklch(63% 0.138 44.4)
-
Step 600
600 (this color)
#C0571F
oklch(58.1% 0.15 44.8)
-
Step 700
700
#9E3F02
oklch(49.1% 0.14 44.6)
-
Step 800
800
#80350A
oklch(42.7% 0.115 44.8)
-
Step 900
900
#672F13
oklch(37.6% 0.09 44.8)
-
Step 950
950
#3D1C0D
oklch(27% 0.057 44)
#C0571F 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) | #756716 | 0.140 |
| Deuteranopia (no green cones) | #8E7F1B | 0.128 |
| Tritanopia (no blue cones) | #D33F4C | 0.079 |
| Achromatopsia (no color) | #767676 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C0571F
#C0571F
oklch(58.1% 0.15 44.8)
- #0087AB
#0087AB
oklch(58% 0.11 225.1)
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 #C0571F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.011
- Burnt Orange #C04E01 ΔE 0.019
- Burnt Siena #B75203 ΔE 0.024
- Brick Orange #C14A09 ΔE 0.025
- Rusty Orange #CD5909 ΔE 0.027
- Copper #B66325 ΔE 0.029
- Orange Brown #BE6400 ΔE 0.035
- Terra Cotta #C9643B ΔE 0.038
Use #C0571F 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.