#CC312F
Closest named color: Dull Red (#BB3F3F). oklch(55.7% 0.192 26.6), rgb(204, 49, 47).
Aa
White text reads best on this color (5.18:1).
About this color
#CC312F is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.192 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.035 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #CC312F |
| RGB | rgb(204, 49, 47) |
| HSL | hsl(1, 63%, 49%) |
| OKLCH | oklch(55.7% 0.192 26.6) |
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 #CC312F | 5.18:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #CC312F | 4.04:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #CC312F text on white | 5.18:1 | AA | Lc 74.2 | Content text, not long reading |
| #CC312F text on black | 4.04:1 | AA large text | Lc -27.5 | 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
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F8CEC8
oklch(88.6% 0.048 27.6)
-
Step 300
300
#F4ABA3
oklch(80.9% 0.087 26.1)
-
Step 400
400
#EA7C71
oklch(70.7% 0.138 27)
-
Step 500
500
#E0544C
oklch(63.1% 0.176 26.6)
-
Step 600
600 (this color)
#CC312F
oklch(55.7% 0.192 26.6)
-
Step 700
700
#B02021
oklch(49.2% 0.179 26.7)
-
Step 800
800
#8F1F1D
oklch(42.8% 0.148 26.9)
-
Step 900
900
#73211E
oklch(37.8% 0.116 26.4)
-
Step 950
950
#441512
oklch(27.1% 0.073 26.7)
#CC312F 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) | #61572D | 0.206 |
| Deuteranopia (no green cones) | #877929 | 0.189 |
| Tritanopia (no blue cones) | #E10033 | 0.046 |
| Achromatopsia (no color) | #6D6D6D | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CC312F
#CC312F
oklch(55.7% 0.192 26.6)
- #008390
#008390
oklch(55.7% 0.096 207)
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 #CC312F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.035
- Cherry #CF0234 ΔE 0.037
- Crimson #DC143C ΔE 0.041
- Faded Red #D3494E ΔE 0.047
- Sinopia #BB3E03 ΔE 0.049
- Dusty Red #B9484E ΔE 0.050
- Lipstick #D5174E ΔE 0.052
- Lipstick Red #C0022F ΔE 0.052
Use #CC312F 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.