#CC4137
Closest named color: Faded Red (#D3494E). oklch(57.4% 0.177 28.1), rgb(204, 65, 55).
Aa
White text reads best on this color (4.79:1).
About this color
#CC4137 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.177 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Red (#D3494E), ΔE 0.030 away. White text reads best on it, at 4.79:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Faded Red (#D3494E) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #CC4137 |
| RGB | rgb(204, 65, 55) |
| HSL | hsl(4, 59%, 51%) |
| OKLCH | oklch(57.4% 0.177 28.1) |
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 #CC4137 | 4.79:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #CC4137 | 4.37:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #CC4137 text on white | 4.79:1 | AA | Lc 72.2 | Content text, not long reading |
| #CC4137 text on black | 4.37:1 | AA large text | Lc -29.5 | Dividers and decoration only |
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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E4E1
oklch(93.5% 0.023 27.3)
-
Step 200
200
#F5CFC9
oklch(88.5% 0.044 28.5)
-
Step 300
300
#F0ADA4
oklch(80.8% 0.08 27.6)
-
Step 400
400
#E58073
oklch(70.8% 0.127 28.4)
-
Step 500
500
#DA5B4E
oklch(63.1% 0.162 28.4)
-
Step 600
600 (this color)
#CC4137
oklch(57.4% 0.177 28.1)
-
Step 700
700
#AA2B24
oklch(49% 0.165 28.1)
-
Step 800
800
#8A2620
oklch(42.6% 0.136 27.8)
-
Step 900
900
#6F251F
oklch(37.6% 0.106 27.9)
-
Step 950
950
#421713
oklch(27.1% 0.068 27.8)
#CC4137 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) | #685F35 | 0.189 |
| Deuteranopia (no green cones) | #8B7D32 | 0.172 |
| Tritanopia (no blue cones) | #E01540 | 0.057 |
| Achromatopsia (no color) | #727272 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CC4137
#CC4137
oklch(57.4% 0.177 28.1)
- #008897
#008897
oklch(57.3% 0.099 208.4)
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 #CC4137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Red #D3494E ΔE 0.030
- Dark Coral #CF524E ΔE 0.035
- Dull Red #BB3F3F ΔE 0.036
- Dusty Red #B9484E ΔE 0.043
- Brick Orange #C14A09 ΔE 0.045
- Pale Red #D9544D ΔE 0.048
- Sinopia #BB3E03 ΔE 0.050
- Burnt Orange #C04E01 ΔE 0.052
Use #CC4137 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.