#C25B34
Closest named color: Rust Orange (#C45508). oklch(59.1% 0.143 40.5), rgb(194, 91, 52).
Aa
Black text reads best on this color (4.83:1).
About this color
#C25B34 is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.143 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.025 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 | 4.33:1 |
Values
| HEX | #C25B34 |
| RGB | rgb(194, 91, 52) |
| HSL | hsl(16, 58%, 48%) |
| OKLCH | oklch(59.1% 0.143 40.5) |
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 #C25B34 | 4.33:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #C25B34 | 4.83:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #C25B34 text on white | 4.33:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #C25B34 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
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A1
oklch(80.8% 0.065 40.3)
-
Step 400
400
#D78A6F
oklch(70.6% 0.102 40.1)
-
Step 500
500
#CB6B48
oklch(63.2% 0.131 40.4)
-
Step 600
600 (this color)
#C25B34
oklch(59.1% 0.143 40.5)
-
Step 700
700
#9C401B
oklch(49% 0.132 40.5)
-
Step 800
800
#7F3619
oklch(42.8% 0.109 40.8)
-
Step 900
900
#662F1B
oklch(37.6% 0.085 40.1)
-
Step 950
950
#3C1C11
oklch(26.9% 0.054 39.5)
#C25B34 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) | #776B30 | 0.137 |
| Deuteranopia (no green cones) | #908232 | 0.126 |
| Tritanopia (no blue cones) | #D54552 | 0.069 |
| Achromatopsia (no color) | #797979 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C25B34
#C25B34
oklch(59.1% 0.143 40.5)
- #008CAA
#008CAA
oklch(59.2% 0.108 220)
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 #C25B34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.025
- Terra Cotta #C9643B ΔE 0.025
- Rusty Orange #CD5909 ΔE 0.030
- Terracotta #CA6641 ΔE 0.031
- Copper #B66325 ΔE 0.033
- Burnt Orange #C04E01 ΔE 0.034
- Terracota #CB6843 ΔE 0.036
- Adobe #BD6C48 ΔE 0.037
Use #C25B34 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.