#E21041
Closest named color: Crimson (#DC143C). oklch(58.2% 0.228 18.9), rgb(226, 16, 65).
Aa
White text reads best on this color (4.78:1).
About this color
#E21041 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.228 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.013 away. White text reads best on it, at 4.78:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.228) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #E21041 |
| RGB | rgb(226, 16, 65) |
| HSL | hsl(346, 87%, 47%) |
| OKLCH | oklch(58.2% 0.228 18.9) |
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 #E21041 | 4.78:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #E21041 | 4.38:1 | AA large text | Lc 33.3 | Non-text elements, placeholder text |
| #E21041 text on white | 4.78:1 | AA | Lc 70.8 | Content text, not long reading |
| #E21041 text on black | 4.38:1 | AA large text | Lc -30.9 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FDE2E2
oklch(93.5% 0.03 17.7)
-
Step 200
200
#FDCBCA
oklch(88.5% 0.057 19.6)
-
Step 300
300
#FCA6A6
oklch(81% 0.102 19.5)
-
Step 400
400
#F67077
oklch(70.8% 0.165 19.1)
-
Step 500
500
#ED3E55
oklch(63.1% 0.21 18.7)
-
Step 600
600 (this color)
#E21041
oklch(58.2% 0.228 18.9)
-
Step 700
700
#B60031
oklch(49.2% 0.197 18.8)
-
Step 800
800
#960027
oklch(42.6% 0.171 18.7)
-
Step 900
900
#7A1123
oklch(37.7% 0.137 18.7)
-
Step 950
950
#480E15
oklch(27% 0.087 18.7)
#E21041 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) | #5D5741 | 0.255 |
| Deuteranopia (no green cones) | #8E813A | 0.232 |
| Tritanopia (no blue cones) | #F9002A | 0.050 |
| Achromatopsia (no color) | #727272 | 0.230 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E21041
#E21041
oklch(58.2% 0.228 18.9)
- #008C91
#008C91
oklch(58.1% 0.099 199.2)
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 #E21041, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.013
- Lipstick #D5174E ΔE 0.031
- Red Pantone #EF233C ΔE 0.034
- Imperial Red #E63946 ΔE 0.038
- Pink Red #F5054F ΔE 0.041
- Cherry #CF0234 ΔE 0.043
- Cerise #DE0C62 ΔE 0.046
- Cherry Red #F7022A ΔE 0.047
Use #E21041 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.