#C25B1F
Closest named color: Rust Orange (#C45508). oklch(59% 0.149 46.4), rgb(194, 91, 31).
Aa
Black text reads best on this color (4.81:1).
About this color
#C25B1F is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.149 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.013 away. Black text reads best on it, at 4.81:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.81:1 |
| White text | 4.36:1 |
Values
| HEX | #C25B1F |
| RGB | rgb(194, 91, 31) |
| HSL | hsl(22, 72%, 44%) |
| OKLCH | oklch(59% 0.149 46.4) |
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 #C25B1F | 4.36:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #C25B1F | 4.81:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #C25B1F text on white | 4.36:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #C25B1F text on black | 4.81:1 | AA | Lc -32.0 | 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
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E6B49C
oklch(80.9% 0.067 46.9)
-
Step 400
400
#D88B66
oklch(70.8% 0.107 46.2)
-
Step 500
500
#CB6B39
oklch(63% 0.137 46.3)
-
Step 600
600 (this color)
#C25B1F
oklch(59% 0.149 46.4)
-
Step 700
700
#9C4100
oklch(49% 0.137 46.5)
-
Step 800
800
#7F3607
oklch(42.6% 0.114 46.5)
-
Step 900
900
#673012
oklch(37.8% 0.089 46.4)
-
Step 950
950
#3C1D0C
oklch(27% 0.056 47.7)
#C25B1F 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) | #786A15 | 0.137 |
| Deuteranopia (no green cones) | #91821C | 0.124 |
| Tritanopia (no blue cones) | #D5444F | 0.081 |
| Achromatopsia (no color) | #797979 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C25B1F
#C25B1F
oklch(59% 0.149 46.4)
- #008AB1
#008AB1
oklch(59% 0.113 226.6)
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 #C25B1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.013
- Rusty Orange #CD5909 ΔE 0.021
- Copper #B66325 ΔE 0.026
- Burnt Orange #C04E01 ΔE 0.027
- Orange Brown #BE6400 ΔE 0.027
- Terra Cotta #C9643B ΔE 0.030
- Burnt Siena #B75203 ΔE 0.032
- Brick Orange #C14A09 ΔE 0.034
Use #C25B1F 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.