#D40721
Closest named color: Cherry (#CF0234). oklch(55% 0.221 25.6), rgb(212, 7, 33).
Aa
White text reads best on this color (5.45:1).
About this color
#D40721 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.221 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.022 away. White text reads best on it, at 5.45:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.221) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #D40721 |
| RGB | rgb(212, 7, 33) |
| HSL | hsl(352, 94%, 43%) |
| OKLCH | oklch(55% 0.221 25.6) |
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 #D40721 | 5.45:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #D40721 | 3.85:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #D40721 text on white | 5.45:1 | AA | Lc 74.6 | Content text, not long reading |
| #D40721 text on black | 3.85:1 | AA large text | Lc -27.2 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC7
oklch(88.6% 0.055 25.2)
-
Step 300
300
#FAA8A0
oklch(80.9% 0.098 25.6)
-
Step 400
400
#F4746C
oklch(70.8% 0.159 25.5)
-
Step 500
500
#EB4544
oklch(63.1% 0.203 25.4)
-
Step 600
600 (this color)
#D40721
oklch(55% 0.221 25.6)
-
Step 700
700
#B7001A
oklch(49.1% 0.199 25.4)
-
Step 800
800
#960615
oklch(42.6% 0.17 25.6)
-
Step 900
900
#791718
oklch(37.8% 0.133 25.9)
-
Step 950
950
#47100F
oklch(26.9% 0.084 25.7)
#D40721 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) | #594F1F | 0.243 |
| Deuteranopia (no green cones) | #867814 | 0.221 |
| Tritanopia (no blue cones) | #EA0018 | 0.045 |
| Achromatopsia (no color) | #696969 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D40721
#D40721
oklch(55% 0.221 25.6)
- #00818C
#00818C
oklch(55.1% 0.094 205.3)
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 #D40721, closest first.
No curated palette has a color within ΔE 0.04 of #D40721.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.022
- Crimson #DC143C ΔE 0.030
- Lipstick Red #C0022F ΔE 0.045
- Lipstick #D5174E ΔE 0.047
- Scarlet #BE0119 ΔE 0.047
- Ruby #CA0147 ΔE 0.048
- Rose Red #BE013C ΔE 0.056
- Dull Red #BB3F3F ΔE 0.061
Use #D40721 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.