#CD3B37
Closest named color: Faded Red (#D3494E). oklch(56.9% 0.184 26.5), rgb(205, 59, 55).
Aa
White text reads best on this color (4.91:1).
About this color
#CD3B37 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.184 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Red (#D3494E), ΔE 0.033 away. White text reads best on it, at 4.91:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Faded Red (#D3494E) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #CD3B37 |
| RGB | rgb(205, 59, 55) |
| HSL | hsl(2, 60%, 51%) |
| OKLCH | oklch(56.9% 0.184 26.5) |
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 #CD3B37 | 4.91:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #CD3B37 | 4.27:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #CD3B37 text on white | 4.91:1 | AA | Lc 72.8 | Content text, not long reading |
| #CD3B37 text on black | 4.27:1 | AA large text | Lc -28.9 | 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
#F6CEC9
oklch(88.4% 0.046 26.4)
-
Step 300
300
#F2ACA4
oklch(80.9% 0.084 26.4)
-
Step 400
400
#E77E74
oklch(70.7% 0.131 26.6)
-
Step 500
500
#DD574F
oklch(63% 0.17 26.5)
-
Step 600
600 (this color)
#CD3B37
oklch(56.9% 0.184 26.5)
-
Step 700
700
#AD2726
oklch(49.2% 0.171 26.5)
-
Step 800
800
#8C2321
oklch(42.7% 0.141 26.4)
-
Step 900
900
#712320
oklch(37.7% 0.111 26.1)
-
Step 950
950
#421613
oklch(26.9% 0.069 26.6)
#CD3B37 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) | #655C35 | 0.198 |
| Deuteranopia (no green cones) | #8A7C32 | 0.180 |
| Tritanopia (no blue cones) | #E1003C | 0.054 |
| Achromatopsia (no color) | #717171 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD3B37
#CD3B37
oklch(56.9% 0.184 26.5)
- #008794
#008794
oklch(57% 0.098 206.7)
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 #CD3B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Red #D3494E ΔE 0.033
- Dull Red #BB3F3F ΔE 0.035
- Dark Coral #CF524E ΔE 0.041
- Dusty Red #B9484E ΔE 0.044
- Crimson #DC143C ΔE 0.044
- Cherry #CF0234 ΔE 0.048
- Brick Orange #C14A09 ΔE 0.051
- Imperial Red #E63946 ΔE 0.052
Use #CD3B37 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.