#C15E2D
Closest named color: Rust Orange (#C45508). oklch(59.4% 0.141 44.7), rgb(193, 94, 45).
Aa
Black text reads best on this color (4.90:1).
About this color
#C15E2D is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.141 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.022 away. Black text reads best on it, at 4.90:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.90:1 |
| White text | 4.28:1 |
Values
| HEX | #C15E2D |
| RGB | rgb(193, 94, 45) |
| HSL | hsl(20, 62%, 47%) |
| OKLCH | oklch(59.4% 0.141 44.7) |
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 #C15E2D | 4.28:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #C15E2D | 4.90:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #C15E2D text on white | 4.28:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #C15E2D text on black | 4.90:1 | AA | Lc -32.6 | 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 500.
-
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 (this color)
#C15E2D
oklch(59.4% 0.141 44.7)
-
Step 600
600
#B94E0F
oklch(55.6% 0.154 44.6)
-
Step 700
700
#9F3F00
oklch(49.2% 0.141 44.7)
-
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)
#C15E2D 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) | #7A6D27 | 0.130 |
| Deuteranopia (no green cones) | #92832B | 0.119 |
| Tritanopia (no blue cones) | #D44954 | 0.076 |
| Achromatopsia (no color) | #7A7A7A | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C15E2D
#C15E2D
oklch(59.4% 0.141 44.7)
- #008CB0
#008CB0
oklch(59.5% 0.112 224.2)
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 #C15E2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.022
- Terra Cotta #C9643B ΔE 0.024
- Copper #B66325 ΔE 0.025
- Rusty Orange #CD5909 ΔE 0.026
- Terracotta #CA6641 ΔE 0.030
- Orange Brown #BE6400 ΔE 0.030
- Adobe #BD6C48 ΔE 0.034
- Terracota #CB6843 ΔE 0.034
Use #C15E2D 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.