#C4542E
Closest named color: Rust Orange (#C45508). oklch(58.4% 0.153 38.6), rgb(196, 84, 46).
Aa
Black text reads best on this color (4.65:1).
About this color
#C4542E is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.153 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.022 away. Black text reads best on it, at 4.65:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #C4542E |
| RGB | rgb(196, 84, 46) |
| HSL | hsl(15, 62%, 47%) |
| OKLCH | oklch(58.4% 0.153 38.6) |
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 #C4542E | 4.51:1 | AA | Lc -76.1 | Fine for body text |
| Black text on #C4542E | 4.65:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #C4542E text on white | 4.51:1 | AA | Lc 70.6 | Content text, not long reading |
| #C4542E 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#E9B2A0
oklch(80.9% 0.069 38.9)
-
Step 400
400
#DB886D
oklch(70.7% 0.109 38.8)
-
Step 500
500
#CF6745
oklch(63.1% 0.141 38.6)
-
Step 600
600 (this color)
#C4542E
oklch(58.4% 0.153 38.6)
-
Step 700
700
#A03C17
oklch(49.1% 0.141 38.9)
-
Step 800
800
#823216
oklch(42.6% 0.118 38.7)
-
Step 900
900
#692D19
oklch(37.7% 0.092 38.7)
-
Step 950
950
#3E1B10
oklch(27% 0.058 38.1)
#C4542E 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) | #736729 | 0.150 |
| Deuteranopia (no green cones) | #8F802B | 0.137 |
| Tritanopia (no blue cones) | #D73B4C | 0.069 |
| Achromatopsia (no color) | #767676 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4542E
#C4542E
oklch(58.4% 0.153 38.6)
- #008AA5
#008AA5
oklch(58.5% 0.105 218.1)
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 #C4542E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.022
- Burnt Orange #C04E01 ΔE 0.026
- Brick Orange #C14A09 ΔE 0.026
- Rusty Orange #CD5909 ΔE 0.031
- Terra Cotta #C9643B ΔE 0.036
- Burnt Siena #B75203 ΔE 0.036
- Terracotta #CA6641 ΔE 0.041
- Dark Coral #CF524E ΔE 0.042
Use #C4542E 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.