#CD2421
Closest named color: Cherry (#CF0234). oklch(54.8% 0.203 27.9), rgb(205, 36, 33).
Aa
White text reads best on this color (5.42:1).
About this color
#CD2421 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.203 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.031 away. White text reads best on it, at 5.42:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #CD2421 |
| RGB | rgb(205, 36, 33) |
| HSL | hsl(1, 72%, 47%) |
| OKLCH | oklch(54.8% 0.203 27.9) |
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 #CD2421 | 5.42:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #CD2421 | 3.87:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #CD2421 text on white | 5.42:1 | AA | Lc 75.2 | Fine for body text |
| #CD2421 text on black | 3.87:1 | AA large text | Lc -26.5 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC7
oklch(88.5% 0.051 27.2)
-
Step 300
300
#F6AAA0
oklch(80.8% 0.091 27.6)
-
Step 400
400
#EE796C
oklch(70.7% 0.147 27.9)
-
Step 500
500
#E44F44
oklch(63% 0.187 27.9)
-
Step 600
600 (this color)
#CD2421
oklch(54.8% 0.203 27.9)
-
Step 700
700
#B31616
oklch(49% 0.189 27.9)
-
Step 800
800
#921816
oklch(42.7% 0.157 27.7)
-
Step 900
900
#751E19
oklch(37.7% 0.122 27.8)
-
Step 950
950
#45130F
oklch(26.9% 0.078 28)
#CD2421 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) | #5D521E | 0.220 |
| Deuteranopia (no green cones) | #857716 | 0.201 |
| Tritanopia (no blue cones) | #E20026 | 0.042 |
| Achromatopsia (no color) | #6A6A6A | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD2421
#CD2421
oklch(54.8% 0.203 27.9)
- #00808D
#00808D
oklch(54.8% 0.094 207.2)
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 #CD2421, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.031
- Crimson #DC143C ΔE 0.041
- Scarlet #BE0119 ΔE 0.044
- Lipstick Red #C0022F ΔE 0.045
- Dull Red #BB3F3F ΔE 0.045
- Sinopia #BB3E03 ΔE 0.050
- Ruby #CA0147 ΔE 0.055
- Lipstick #D5174E ΔE 0.055
Use #CD2421 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.