#C45C01
Closest named color: Rust Orange (#C45508). oklch(59.3% 0.156 50.4), rgb(196, 92, 1).
Aa
Black text reads best on this color (4.87:1).
About this color
#C45C01 is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.156 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.016 away. Black text reads best on it, at 4.87:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #C45C01 |
| RGB | rgb(196, 92, 1) |
| HSL | hsl(28, 99%, 39%) |
| OKLCH | oklch(59.3% 0.156 50.4) |
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 #C45C01 | 4.30:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #C45C01 | 4.87:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #C45C01 text on white | 4.30:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #C45C01 text on black | 4.87:1 | 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 600.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DE
oklch(93.6% 0.021 48.5)
-
Step 200
200
#EFD2C3
oklch(88.4% 0.038 49.1)
-
Step 300
300
#E6B498
oklch(80.8% 0.07 50.6)
-
Step 400
400
#D88B5E
oklch(70.6% 0.112 50.5)
-
Step 500
500
#CC6C2C
oklch(63.2% 0.143 50.5)
-
Step 600
600 (this color)
#C45C01
oklch(59.3% 0.156 50.4)
-
Step 700
700
#984600
oklch(49.2% 0.129 50.6)
-
Step 800
800
#7D3800
oklch(42.6% 0.112 50.3)
-
Step 900
900
#673007
oklch(37.7% 0.093 50.8)
-
Step 950
950
#3D1D08
oklch(27.1% 0.059 50.9)
#C45C01 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) | #7B6B00 | 0.134 |
| Deuteranopia (no green cones) | #948300 | 0.122 |
| Tritanopia (no blue cones) | #D8434E | 0.092 |
| Achromatopsia (no color) | #7A7A7A | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C45C01
#C45C01
oklch(59.3% 0.156 50.4)
- #008AB7
#008AB7
oklch(59.3% 0.119 230.2)
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 #C45C01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.016
- Rusty Orange #CD5909 ΔE 0.018
- Orange Brown #BE6400 ΔE 0.020
- Copper #B66325 ΔE 0.028
- Rust #CA6702 ΔE 0.028
- Burnt Orange #C04E01 ΔE 0.032
- Brown Orange #B96902 ΔE 0.034
- Tiger's Eye #BC6C25 ΔE 0.035
Use #C45C01 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.