#CD1739
Closest named color: Cherry (#CF0234). oklch(54.4% 0.208 20), rgb(205, 23, 57).
Aa
White text reads best on this color (5.55:1).
About this color
#CD1739 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.208 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.009 away. White text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #CD1739 |
| RGB | rgb(205, 23, 57) |
| HSL | hsl(349, 80%, 45%) |
| OKLCH | oklch(54.4% 0.208 20) |
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 #CD1739 | 5.55:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #CD1739 | 3.77:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #CD1739 text on white | 5.55:1 | AA | Lc 75.6 | Fine for body text |
| #CD1739 text on black | 3.77:1 | AA large text | Lc -26.1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FACCCB
oklch(88.5% 0.052 19.6)
-
Step 300
300
#F7A8A8
oklch(80.8% 0.094 19.3)
-
Step 400
400
#EF7679
oklch(70.7% 0.149 20.1)
-
Step 500
500
#E64A57
oklch(63.1% 0.192 20)
-
Step 600
600 (this color)
#CD1739
oklch(54.4% 0.208 20)
-
Step 700
700
#B5082F
oklch(49.2% 0.194 19.9)
-
Step 800
800
#931127
oklch(42.7% 0.161 20.1)
-
Step 900
900
#761A24
oklch(37.7% 0.126 20)
-
Step 950
950
#451216
oklch(27% 0.078 19.6)
#CD1739 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) | #565039 | 0.232 |
| Deuteranopia (no green cones) | #827533 | 0.210 |
| Tritanopia (no blue cones) | #E20028 | 0.043 |
| Achromatopsia (no color) | #686868 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD1739
#CD1739
oklch(54.4% 0.208 20)
- #008085
#008085
oklch(54.5% 0.093 199.6)
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 #CD1739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.009
- Ruby #CA0147 ΔE 0.026
- Lipstick #D5174E ΔE 0.030
- Crimson #DC143C ΔE 0.030
- Lipstick Red #C0022F ΔE 0.033
- Rose Red #BE013C ΔE 0.038
- Scarlet #BE0119 ΔE 0.045
- Dull Red #BB3F3F ΔE 0.050
Use #CD1739 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.