#CD312B
Closest named color: Dull Red (#BB3F3F). oklch(55.9% 0.193 27.7), rgb(205, 49, 43).
Aa
White text reads best on this color (5.15:1).
About this color
#CD312B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.193 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.038 away. White text reads best on it, at 5.15:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #CD312B |
| RGB | rgb(205, 49, 43) |
| HSL | hsl(2, 65%, 49%) |
| OKLCH | oklch(55.9% 0.193 27.7) |
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 #CD312B | 5.15:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #CD312B | 4.07:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #CD312B text on white | 5.15:1 | AA | Lc 74.0 | Content text, not long reading |
| #CD312B text on black | 4.07:1 | AA large text | Lc -27.7 | 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
#F4ABA2
oklch(80.9% 0.088 27)
-
Step 400
400
#EB7B6F
oklch(70.7% 0.14 27.5)
-
Step 500
500
#E15449
oklch(63.2% 0.178 27.7)
-
Step 600
600 (this color)
#CD312B
oklch(55.9% 0.193 27.7)
-
Step 700
700
#B0201D
oklch(49.1% 0.18 27.8)
-
Step 800
800
#8F1E1A
oklch(42.7% 0.149 27.7)
-
Step 900
900
#73211C
oklch(37.8% 0.116 27.6)
-
Step 950
950
#441511
oklch(27.1% 0.074 27.8)
#CD312B 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) | #615828 | 0.209 |
| Deuteranopia (no green cones) | #887924 | 0.189 |
| Tritanopia (no blue cones) | #E20032 | 0.047 |
| Achromatopsia (no color) | #6D6D6D | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD312B
#CD312B
oklch(55.9% 0.193 27.7)
- #008391
#008391
oklch(55.8% 0.096 207.9)
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 #CD312B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.038
- Cherry #CF0234 ΔE 0.039
- Crimson #DC143C ΔE 0.042
- Faded Red #D3494E ΔE 0.047
- Sinopia #BB3E03 ΔE 0.048
- Dusty Red #B9484E ΔE 0.052
- Brick Orange #C14A09 ΔE 0.053
- Lipstick Red #C0022F ΔE 0.055
Use #CD312B 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.