#C15313
Closest named color: Rust Orange (#C45508). oklch(57.6% 0.157 44.8), rgb(193, 83, 19).
Aa
White text reads best on this color (4.65:1).
About this color
#C15313 is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.157 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. White text reads best on it, at 4.65:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.51:1 |
| White text | 4.65:1 |
Values
| HEX | #C15313 |
| RGB | rgb(193, 83, 19) |
| HSL | hsl(22, 82%, 42%) |
| OKLCH | oklch(57.6% 0.157 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 #C15313 | 4.65:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #C15313 | 4.51:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #C15313 text on white | 4.65:1 | AA | Lc 71.6 | Content text, not long reading |
| #C15313 text on black | 4.51:1 | AA | Lc -30.1 | 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
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F1D2C4
oklch(88.6% 0.04 45.8)
-
Step 300
300
#E8B39B
oklch(80.9% 0.07 45.5)
-
Step 400
400
#DB8964
oklch(70.7% 0.113 44.8)
-
Step 500
500
#CF6836
oklch(63% 0.145 44.6)
-
Step 600
600 (this color)
#C15313
oklch(57.6% 0.157 44.8)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#823302
oklch(42.6% 0.121 44.8)
-
Step 900
900
#692E0F
oklch(37.7% 0.094 45)
-
Step 950
950
#3E1C0B
oklch(27.1% 0.06 45.5)
#C15313 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) | #736502 | 0.147 |
| Deuteranopia (no green cones) | #8E7E0C | 0.133 |
| Tritanopia (no blue cones) | #D43848 | 0.082 |
| Achromatopsia (no color) | #747474 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C15313
#C15313
oklch(57.6% 0.157 44.8)
- #0086A9
#0086A9
oklch(57.6% 0.109 224.5)
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 #C15313, 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 0.011
- Brick Orange #C14A09 ΔE 0.017
- Burnt Siena #B75203 ΔE 0.021
- Rusty Orange #CD5909 ΔE 0.028
- Copper #B66325 ΔE 0.036
- Orange Brown #BE6400 ΔE 0.039
- Orangey Brown #B16002 ΔE 0.041
Use #C15313 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.