#C4550A
Closest named color: Rust Orange (#C45508). oklch(58.3% 0.16 46.2), rgb(196, 85, 10).
Aa
Black text reads best on this color (4.65:1).
About this color
#C4550A is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.160 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.001 away. Black text reads best on it, at 4.65:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #C4550A |
| RGB | rgb(196, 85, 10) |
| HSL | hsl(24, 90%, 40%) |
| OKLCH | oklch(58.3% 0.16 46.2) |
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 #C4550A | 4.51:1 | AA | Lc -76.1 | Fine for body text |
| Black text on #C4550A | 4.65:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #C4550A text on white | 4.51:1 | AA | Lc 70.6 | Content text, not long reading |
| #C4550A text on black | 4.65:1 | AA | Lc -31.1 | 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
#F6E6DE
oklch(93.6% 0.021 48.5)
-
Step 200
200
#F1D2C3
oklch(88.6% 0.04 47.4)
-
Step 300
300
#E9B39A
oklch(81% 0.072 46)
-
Step 400
400
#DB8961
oklch(70.7% 0.115 46.4)
-
Step 500
500
#CF6831
oklch(63% 0.147 46.1)
-
Step 600
600 (this color)
#C4550A
oklch(58.3% 0.16 46.2)
-
Step 700
700
#9D4100
oklch(49.2% 0.138 46.2)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900
#692E0C
oklch(37.7% 0.095 46.3)
-
Step 950
950
#3E1B09
oklch(26.9% 0.062 45.7)
#C4550A 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) | #756700 | 0.148 |
| Deuteranopia (no green cones) | #908001 | 0.134 |
| Tritanopia (no blue cones) | #D83A49 | 0.085 |
| Achromatopsia (no color) | #767676 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4550A
#C4550A
oklch(58.3% 0.16 46.2)
- #0088AD
#0088AD
oklch(58.3% 0.111 225.6)
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 #C4550A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.001
- Burnt Orange #C04E01 ΔE 0.017
- Rusty Orange #CD5909 ΔE 0.020
- Brick Orange #C14A09 ΔE 0.024
- Burnt Siena #B75203 ΔE 0.027
- Orange Brown #BE6400 ΔE 0.034
- Copper #B66325 ΔE 0.035
- Terra Cotta #C9643B ΔE 0.040
Use #C4550A 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.