#C1571D
Closest named color: Rust Orange (#C45508). oklch(58.2% 0.152 45), rgb(193, 87, 29).
Aa
Black text reads best on this color (4.64:1).
About this color
#C1571D is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.152 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.009 away. Black text reads best on it, at 4.64:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.64:1 |
| White text | 4.51:1 |
Values
| HEX | #C1571D |
| RGB | rgb(193, 87, 29) |
| HSL | hsl(21, 74%, 44%) |
| OKLCH | oklch(58.2% 0.152 45) |
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 #C1571D | 4.51:1 | AA | Lc -76.2 | Fine for body text |
| Black text on #C1571D | 4.64:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #C1571D text on white | 4.51:1 | AA | Lc 70.7 | Content text, not long reading |
| #C1571D text on black | 4.64:1 | AA | Lc -31.0 | 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 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
#E7B39D
oklch(80.8% 0.068 44)
-
Step 400
400
#D98A66
oklch(70.7% 0.109 45)
-
Step 500
500
#CD6A3A
oklch(63.1% 0.14 44.9)
-
Step 600
600 (this color)
#C1571D
oklch(58.2% 0.152 45)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#813508
oklch(42.8% 0.117 45)
-
Step 900
900
#682F12
oklch(37.8% 0.091 45)
-
Step 950
950
#3D1C0C
oklch(27% 0.058 45.1)
#C1571D 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) | #756812 | 0.142 |
| Deuteranopia (no green cones) | #8F7F19 | 0.127 |
| Tritanopia (no blue cones) | #D43E4C | 0.080 |
| Achromatopsia (no color) | #767676 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1571D
#C1571D
oklch(58.2% 0.152 45)
- #0088AC
#0088AC
oklch(58.3% 0.11 224.9)
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 #C1571D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.009
- Burnt Orange #C04E01 ΔE 0.019
- Rusty Orange #CD5909 ΔE 0.025
- Brick Orange #C14A09 ΔE 0.025
- Burnt Siena #B75203 ΔE 0.025
- Copper #B66325 ΔE 0.030
- Orange Brown #BE6400 ΔE 0.034
- Terra Cotta #C9643B ΔE 0.037
Use #C1571D 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.