#DE2423
Closest named color: Crimson (#DC143C). oklch(57.9% 0.218 27.7), rgb(222, 36, 35).
Aa
White text reads best on this color (4.79:1).
About this color
#DE2423 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.218 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.031 away. White text reads best on it, at 4.79:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.218) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #DE2423 |
| RGB | rgb(222, 36, 35) |
| HSL | hsl(0, 74%, 50%) |
| OKLCH | oklch(57.9% 0.218 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 #DE2423 | 4.79:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #DE2423 | 4.38:1 | AA large text | Lc 32.8 | Non-text elements, placeholder text |
| #DE2423 text on white | 4.79:1 | AA | Lc 71.2 | Content text, not long reading |
| #DE2423 text on black | 4.38:1 | AA large text | Lc -30.4 | Non-text elements, placeholder text |
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
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FBCCC5
oklch(88.4% 0.054 28.1)
-
Step 300
300
#FAA89E
oklch(80.9% 0.099 27.1)
-
Step 400
400
#F37568
oklch(70.8% 0.157 27.7)
-
Step 500
500
#EA473E
oklch(63.1% 0.201 27.6)
-
Step 600
600 (this color)
#DE2423
oklch(57.9% 0.218 27.7)
-
Step 700
700
#B8000D
oklch(49.2% 0.201 27.7)
-
Step 800
800
#960B0E
oklch(42.8% 0.168 27.8)
-
Step 900
900
#781815
oklch(37.7% 0.131 27.5)
-
Step 950
950
#47110D
oklch(27% 0.083 28.2)
#DE2423 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) | #64591F | 0.237 |
| Deuteranopia (no green cones) | #908017 | 0.214 |
| Tritanopia (no blue cones) | #F50028 | 0.045 |
| Achromatopsia (no color) | #727272 | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE2423
#DE2423
oklch(57.9% 0.218 27.7)
- #008A98
#008A98
oklch(57.9% 0.099 207.3)
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 #DE2423, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.031
- Tomato Red #EC2D01 ΔE 0.036
- Imperial Red #E63946 ΔE 0.040
- Red Pantone #EF233C ΔE 0.041
- Cherry #CF0234 ΔE 0.047
- Cherry Red #F7022A ΔE 0.048
- Vermillion #F4320C ΔE 0.052
- Faded Red #D3494E ΔE 0.052
Use #DE2423 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.