#C25638
Closest named color: Rust Orange (#C45508). oklch(58.5% 0.146 36.4), rgb(194, 86, 56).
Aa
Black text reads best on this color (4.68:1).
About this color
#C25638 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.146 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.030 away. Black text reads best on it, at 4.68:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #C25638 |
| RGB | rgb(194, 86, 56) |
| HSL | hsl(13, 55%, 49%) |
| OKLCH | oklch(58.5% 0.146 36.4) |
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 #C25638 | 4.48:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #C25638 | 4.68:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #C25638 text on white | 4.48:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #C25638 text on black | 4.68:1 | AA | Lc -31.2 | 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
#F0D1C9
oklch(88.4% 0.037 34.8)
-
Step 300
300
#E7B2A3
oklch(80.8% 0.066 36.4)
-
Step 400
400
#D98872
oklch(70.6% 0.105 36)
-
Step 500
500
#CD684D
oklch(63.1% 0.135 36)
-
Step 600
600 (this color)
#C25638
oklch(58.5% 0.146 36.4)
-
Step 700
700
#9E3D22
oklch(49% 0.136 36.2)
-
Step 800
800
#81331E
oklch(42.7% 0.113 36)
-
Step 900
900
#682E1E
oklch(37.8% 0.088 36.4)
-
Step 950
950
#3D1B12
oklch(26.9% 0.056 35.8)
#C25638 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) | #736835 | 0.145 |
| Deuteranopia (no green cones) | #8E8035 | 0.133 |
| Tritanopia (no blue cones) | #D53F4F | 0.064 |
| Achromatopsia (no color) | #777777 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C25638
#C25638
oklch(58.5% 0.146 36.4)
- #008AA3
#008AA3
oklch(58.4% 0.104 216.5)
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 #C25638, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.030
- Burnt Orange #C04E01 ΔE 0.033
- Brick Orange #C14A09 ΔE 0.033
- Terra Cotta #C9643B ΔE 0.035
- Rusty Orange #CD5909 ΔE 0.038
- Dark Coral #CF524E ΔE 0.038
- Terracotta #CA6641 ΔE 0.039
- Burnt Siena #B75203 ΔE 0.041
Use #C25638 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.