#CC3720
Closest named color: Sinopia (#BB3E03). oklch(56.1% 0.189 31.7), rgb(204, 55, 32).
Aa
White text reads best on this color (5.07:1).
About this color
#CC3720 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.189 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.038 away. White text reads best on it, at 5.07:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #CC3720 |
| RGB | rgb(204, 55, 32) |
| HSL | hsl(8, 73%, 46%) |
| OKLCH | oklch(56.1% 0.189 31.7) |
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 #CC3720 | 5.07:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #CC3720 | 4.13:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #CC3720 text on white | 5.07:1 | AA | Lc 73.7 | Content text, not long reading |
| #CC3720 text on black | 4.13:1 | AA large text | Lc -28.0 | 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
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CEC6
oklch(88.4% 0.048 30.9)
-
Step 300
300
#F3AD9F
oklch(81% 0.085 31.6)
-
Step 400
400
#E97E6A
oklch(70.8% 0.136 31.8)
-
Step 500
500
#DF5741
oklch(63.1% 0.174 31.5)
-
Step 600
600 (this color)
#CC3720
oklch(56.1% 0.189 31.7)
-
Step 700
700
#AE2510
oklch(49% 0.176 31.6)
-
Step 800
800
#8E2211
oklch(42.8% 0.146 31.8)
-
Step 900
900
#722316
oklch(37.7% 0.114 31.9)
-
Step 950
950
#43160E
oklch(27% 0.072 32.1)
#CC3720 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) | #65591B | 0.199 |
| Deuteranopia (no green cones) | #897A17 | 0.182 |
| Tritanopia (no blue cones) | #E10033 | 0.057 |
| Achromatopsia (no color) | #6E6E6E | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CC3720
#CC3720
oklch(56.1% 0.189 31.7)
- #008396
#008396
oklch(56% 0.098 212.4)
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 #CC3720, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.038
- Brick Orange #C14A09 ΔE 0.040
- Dull Red #BB3F3F ΔE 0.041
- Burnt Orange #C04E01 ΔE 0.048
- Faded Red #D3494E ΔE 0.050
- Cherry #CF0234 ΔE 0.052
- Crimson #DC143C ΔE 0.054
- Dark Coral #CF524E ΔE 0.055
Use #CC3720 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.