#E31249
Closest named color: Crimson (#DC143C). oklch(58.6% 0.228 16.7), rgb(227, 18, 73).
Aa
White text reads best on this color (4.72:1).
About this color
#E31249 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.228 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.021 away. White text reads best on it, at 4.72:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.228) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #E31249 |
| RGB | rgb(227, 18, 73) |
| HSL | hsl(344, 85%, 48%) |
| OKLCH | oklch(58.6% 0.228 16.7) |
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 #E31249 | 4.72:1 | AA | Lc -75.9 | Fine for body text |
| Black text on #E31249 | 4.44:1 | AA large text | Lc 33.7 | Non-text elements, placeholder text |
| #E31249 text on white | 4.72:1 | AA | Lc 70.4 | Content text, not long reading |
| #E31249 text on black | 4.44:1 | AA large text | Lc -31.3 | 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
#FDE2E3
oklch(93.5% 0.03 15.1)
-
Step 200
200
#FDCBCC
oklch(88.6% 0.057 16.9)
-
Step 300
300
#FCA5A9
oklch(80.9% 0.103 16.6)
-
Step 400
400
#F5707C
oklch(70.7% 0.163 16.7)
-
Step 500
500
#ED3E5B
oklch(63.2% 0.21 16.6)
-
Step 600
600 (this color)
#E31249
oklch(58.6% 0.228 16.7)
-
Step 700
700
#B50037
oklch(49.1% 0.196 16.5)
-
Step 800
800
#96002C
oklch(42.7% 0.171 16.5)
-
Step 900
900
#7A1126
oklch(37.8% 0.137 17)
-
Step 950
950
#480E17
oklch(27.1% 0.087 16.6)
#E31249 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) | #5D5949 | 0.256 |
| Deuteranopia (no green cones) | #8E8243 | 0.233 |
| Tritanopia (no blue cones) | #FA002F | 0.052 |
| Achromatopsia (no color) | #737373 | 0.230 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E31249
#E31249
oklch(58.6% 0.228 16.7)
- #008E90
#008E90
oklch(58.6% 0.1 196.5)
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 #E31249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.021
- Lipstick #D5174E ΔE 0.029
- Red Pantone #EF233C ΔE 0.036
- Pink Red #F5054F ΔE 0.036
- Cerise #DE0C62 ΔE 0.038
- Imperial Red #E63946 ΔE 0.039
- Cherry #CF0234 ΔE 0.048
- Cherry Red #F7022A ΔE 0.050
Use #E31249 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.