#E0004B
Closest named color: Lipstick (#D5174E). oklch(57.6% 0.23 15), rgb(224, 0, 75).
Aa
White text reads best on this color (4.91:1).
About this color
#E0004B is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.230 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick (#D5174E), ΔE 0.021 away. White text reads best on it, at 4.91:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.230) |
| Temperature | warm |
| Nearest name | Lipstick (#D5174E) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #E0004B |
| RGB | rgb(224, 0, 75) |
| HSL | hsl(340, 100%, 44%) |
| OKLCH | oklch(57.6% 0.23 15) |
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 #E0004B | 4.91:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #E0004B | 4.27:1 | AA large text | Lc 32.8 | Non-text elements, placeholder text |
| #E0004B text on white | 4.91:1 | AA | Lc 71.2 | Content text, not long reading |
| #E0004B text on black | 4.27:1 | AA large text | Lc -30.4 | 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
#FDCACD
oklch(88.4% 0.058 14.4)
-
Step 300
300
#FCA5AB
oklch(80.9% 0.103 15.1)
-
Step 400
400
#F66F7F
oklch(70.8% 0.166 15.1)
-
Step 500
500
#ED3C5F
oklch(63.1% 0.212 14.9)
-
Step 600
600 (this color)
#E0004B
oklch(57.6% 0.23 15)
-
Step 700
700
#B5003B
oklch(49.1% 0.196 15)
-
Step 800
800
#96002F
oklch(42.8% 0.171 15.2)
-
Step 900
900
#7A1029
oklch(37.8% 0.138 15)
-
Step 950
950
#480D18
oklch(27% 0.088 15)
#E0004B 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) | #59564B | 0.259 |
| Deuteranopia (no green cones) | #8B7F45 | 0.235 |
| Tritanopia (no blue cones) | #F6002C | 0.057 |
| Achromatopsia (no color) | #707070 | 0.233 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E0004B
#E0004B
oklch(57.6% 0.23 15)
- #008B8B
#008B8B
oklch(57.7% 0.098 194.8)
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 #E0004B, closest first.
No curated palette has a color within ΔE 0.04 of #E0004B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick #D5174E ΔE 0.021
- Crimson #DC143C ΔE 0.022
- Cerise #DE0C62 ΔE 0.031
- Dark Hot Pink #D90166 ΔE 0.042
- Cherry #CF0234 ΔE 0.043
- Pink Red #F5054F ΔE 0.044
- Ruby #CA0147 ΔE 0.046
- Red Pantone #EF233C ΔE 0.047
Use #E0004B 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.