#E31548
Closest named color: Crimson (#DC143C). oklch(58.6% 0.227 17.2), rgb(227, 21, 72).
Aa
White text reads best on this color (4.70:1).
About this color
#E31548 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.227 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.020 away. White text reads best on it, at 4.70:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.227) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #E31548 |
| RGB | rgb(227, 21, 72) |
| HSL | hsl(345, 83%, 49%) |
| OKLCH | oklch(58.6% 0.227 17.2) |
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 #E31548 | 4.70:1 | AA | Lc -75.8 | Fine for body text |
| Black text on #E31548 | 4.46:1 | AA large text | Lc 33.8 | Non-text elements, placeholder text |
| #E31548 text on white | 4.70:1 | AA | Lc 70.3 | Content text, not long reading |
| #E31548 text on black | 4.46:1 | 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
#FCA6A9
oklch(81% 0.102 17.3)
-
Step 400
400
#F5707B
oklch(70.7% 0.163 17.2)
-
Step 500
500
#EC3E59
oklch(63% 0.209 17.3)
-
Step 600
600 (this color)
#E31548
oklch(58.6% 0.227 17.2)
-
Step 700
700
#B50035
oklch(49% 0.196 17.2)
-
Step 800
800
#96002A
oklch(42.7% 0.171 17.4)
-
Step 900
900
#791226
oklch(37.6% 0.136 17)
-
Step 950
950
#480E16
oklch(27% 0.087 17.7)
#E31548 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) | #5E5948 | 0.254 |
| Deuteranopia (no green cones) | #8F8242 | 0.230 |
| Tritanopia (no blue cones) | #FA002F | 0.051 |
| Achromatopsia (no color) | #747474 | 0.229 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E31548
#E31548
oklch(58.6% 0.227 17.2)
- #008E91
#008E91
oklch(58.7% 0.1 197.4)
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 #E31548, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.020
- Lipstick #D5174E ΔE 0.030
- Red Pantone #EF233C ΔE 0.034
- Pink Red #F5054F ΔE 0.036
- Imperial Red #E63946 ΔE 0.037
- Cerise #DE0C62 ΔE 0.040
- Cherry #CF0234 ΔE 0.048
- Cherry Red #F7022A ΔE 0.049
Use #E31548 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.