#E50B48
Closest named color: Crimson (#DC143C). oklch(58.7% 0.232 16.9), rgb(229, 11, 72).
Aa
White text reads best on this color (4.69:1).
About this color
#E50B48 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.232 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.023 away. White text reads best on it, at 4.69:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.232) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #E50B48 |
| RGB | rgb(229, 11, 72) |
| HSL | hsl(343, 91%, 47%) |
| OKLCH | oklch(58.7% 0.232 16.9) |
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 #E50B48 | 4.69:1 | AA | Lc -75.5 | Fine for body text |
| Black text on #E50B48 | 4.47:1 | AA large text | Lc 34.0 | Non-text elements, placeholder text |
| #E50B48 text on white | 4.69:1 | AA | Lc 70.0 | Content text, not long reading |
| #E50B48 text on black | 4.47:1 | AA large text | Lc -31.6 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FEE2E3
oklch(93.6% 0.031 15.3)
-
Step 200
200
#FDCACB
oklch(88.4% 0.058 17)
-
Step 300
300
#FDA5A9
oklch(81% 0.105 16.7)
-
Step 400
400
#F66E7B
oklch(70.6% 0.167 16.6)
-
Step 500
500
#EE3B59
oklch(63.1% 0.213 16.9)
-
Step 600
600 (this color)
#E50B48
oklch(58.7% 0.232 16.9)
-
Step 700
700
#B50036
oklch(49.1% 0.196 16.9)
-
Step 800
800
#96002B
oklch(42.7% 0.171 17)
-
Step 900
900
#7A0F26
oklch(37.6% 0.139 16.6)
-
Step 950
950
#480D16
oklch(26.9% 0.088 17.1)
#E50B48 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) | #5D5948 | 0.260 |
| Deuteranopia (no green cones) | #8F8242 | 0.235 |
| Tritanopia (no blue cones) | #FC002D | 0.054 |
| Achromatopsia (no color) | #747474 | 0.233 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E50B48
#E50B48
oklch(58.7% 0.232 16.9)
- #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 #E50B48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.023
- Lipstick #D5174E ΔE 0.032
- Pink Red #F5054F ΔE 0.033
- Red Pantone #EF233C ΔE 0.034
- Cerise #DE0C62 ΔE 0.039
- Imperial Red #E63946 ΔE 0.040
- Cherry Red #F7022A ΔE 0.047
- Cherry #CF0234 ΔE 0.051
Use #E50B48 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.