#E20137
Closest named color: Crimson (#DC143C). oklch(57.7% 0.232 21), rgb(226, 1, 55).
Aa
White text reads best on this color (4.89:1).
About this color
#E20137 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.232 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.012 away. White text reads best on it, at 4.89:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.232) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.29:1 |
| White text | 4.89:1 |
Values
| HEX | #E20137 |
| RGB | rgb(226, 1, 55) |
| HSL | hsl(346, 99%, 45%) |
| OKLCH | oklch(57.7% 0.232 21) |
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 #E20137 | 4.89:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #E20137 | 4.29:1 | AA large text | Lc 33.0 | Non-text elements, placeholder text |
| #E20137 text on white | 4.89:1 | AA | Lc 71.0 | Content text, not long reading |
| #E20137 text on black | 4.29:1 | AA large text | Lc -30.6 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2E1
oklch(93.5% 0.031 20.2)
-
Step 200
200
#FDCBC9
oklch(88.5% 0.057 21)
-
Step 300
300
#FDA5A3
oklch(80.8% 0.105 21.1)
-
Step 400
400
#F76F72
oklch(70.7% 0.167 21)
-
Step 500
500
#EF3C4D
oklch(63.1% 0.214 21.1)
-
Step 600
600 (this color)
#E20137
oklch(57.7% 0.232 21)
-
Step 700
700
#B6002A
oklch(49.1% 0.197 21.1)
-
Step 800
800
#970021
oklch(42.7% 0.172 21.2)
-
Step 900
900
#7B101E
oklch(37.8% 0.139 21.4)
-
Step 950
950
#480D12
oklch(26.8% 0.088 21.1)
#E20137 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) | #5D5536 | 0.258 |
| Deuteranopia (no green cones) | #8E802F | 0.235 |
| Tritanopia (no blue cones) | #F90021 | 0.051 |
| Achromatopsia (no color) | #717171 | 0.234 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E20137
#E20137
oklch(57.7% 0.232 21)
- #008A91
#008A91
oklch(57.6% 0.098 201.1)
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 #E20137, closest first.
No curated palette has a color within ΔE 0.04 of #E20137.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.012
- Red Pantone #EF233C ΔE 0.036
- Lipstick #D5174E ΔE 0.036
- Cherry #CF0234 ΔE 0.039
- Imperial Red #E63946 ΔE 0.043
- Cherry Red #F7022A ΔE 0.045
- Pink Red #F5054F ΔE 0.046
- Ruby #CA0147 ΔE 0.055
Use #E20137 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.