#C15C2D
Closest named color: Rust Orange (#C45508). oklch(59.1% 0.143 43.5), rgb(193, 92, 45).
Aa
Black text reads best on this color (4.83:1).
About this color
#C15C2D is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.143 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.020 away. Black text reads best on it, at 4.83:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #C15C2D |
| RGB | rgb(193, 92, 45) |
| HSL | hsl(19, 62%, 47%) |
| OKLCH | oklch(59.1% 0.143 43.5) |
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 #C15C2D | 4.34:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #C15C2D | 4.83:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #C15C2D text on white | 4.34:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #C15C2D text on black | 4.83:1 | AA | Lc -32.2 | 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
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EFD2C7
oklch(88.5% 0.036 41.9)
-
Step 300
300
#E5B4A0
oklch(80.9% 0.064 43.3)
-
Step 400
400
#D78B6B
oklch(70.7% 0.104 43.5)
-
Step 500
500
#CA6C43
oklch(63.1% 0.131 43.4)
-
Step 600
600 (this color)
#C15C2D
oklch(59.1% 0.143 43.5)
-
Step 700
700
#9C4113
oklch(49.1% 0.133 43.2)
-
Step 800
800
#7E3613
oklch(42.5% 0.11 43.5)
-
Step 900
900
#663018
oklch(37.7% 0.086 43.3)
-
Step 950
950
#3C1D0F
oklch(27.1% 0.054 44.2)
#C15C2D 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) | #786B27 | 0.134 |
| Deuteranopia (no green cones) | #91822B | 0.122 |
| Tritanopia (no blue cones) | #D44652 | 0.075 |
| Achromatopsia (no color) | #797979 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C15C2D
#C15C2D
oklch(59.1% 0.143 43.5)
- #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 #C15C2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.020
- Terra Cotta #C9643B ΔE 0.026
- Rusty Orange #CD5909 ΔE 0.026
- Copper #B66325 ΔE 0.027
- Burnt Orange #C04E01 ΔE 0.031
- Terracotta #CA6641 ΔE 0.032
- Orange Brown #BE6400 ΔE 0.033
- Burnt Siena #B75203 ΔE 0.036
Use #C15C2D 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.