#EF04A4
Closest named color: Shocking Pink (#FE02A2). oklch(63.1% 0.264 348.2), rgb(239, 4, 164).
Aa
Black text reads best on this color (5.22:1).
About this color
#EF04A4 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.264 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Shocking Pink (#FE02A2), ΔE 0.031 away. Black text reads best on it, at 5.22:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.264) |
| Temperature | warm |
| Nearest name | Shocking Pink (#FE02A2) |
| Black text | 5.22:1 |
| White text | 4.02:1 |
Values
| HEX | #EF04A4 |
| RGB | rgb(239, 4, 164) |
| HSL | hsl(319, 97%, 48%) |
| OKLCH | oklch(63.1% 0.264 348.2) |
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 #EF04A4 | 4.02:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #EF04A4 | 5.22:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #EF04A4 text on white | 4.02:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #EF04A4 text on black | 5.22:1 | AA | Lc -36.8 | 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 500.
-
Step 50
50
#FFF1F7
oklch(97.1% 0.017 349.5)
-
Step 100
100
#FEE0EE
oklch(93.5% 0.038 348)
-
Step 200
200
#FEC7E1
oklch(88.6% 0.071 348.6)
-
Step 300
300
#FE9DCF
oklch(80.9% 0.13 348.2)
-
Step 400
400
#F85FB6
oklch(70.8% 0.206 348.5)
-
Step 500
500 (this color)
#EF04A4
oklch(63.1% 0.264 348.2)
-
Step 600
600
#CA008A
oklch(55.5% 0.233 348.2)
-
Step 700
700
#AB0074
oklch(49% 0.206 348.3)
-
Step 800
800
#8E005F
oklch(42.8% 0.179 348.6)
-
Step 900
900
#770050
oklch(37.7% 0.158 347.9)
-
Step 950
950
#49032F
oklch(27.1% 0.109 348.8)
#EF04A4 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) | #4367A7 | 0.302 |
| Deuteranopia (no green cones) | #858BA0 | 0.258 |
| Tritanopia (no blue cones) | #FF0060 | 0.109 |
| Achromatopsia (no color) | #7F7F7F | 0.266 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF04A4
#EF04A4
oklch(63.1% 0.264 348.2)
- #00A17B
#00A17B
oklch(63% 0.127 168.5)
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 #EF04A4, closest first.
No curated palette has a color within ΔE 0.04 of #EF04A4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shocking Pink #FE02A2 ΔE 0.031
- Bright Pink #FE01B1 ΔE 0.034
- Deep Pink #FF1493 ΔE 0.047
- Electric Pink #FF0490 ΔE 0.047
- Strong Pink #FF0789 ΔE 0.056
- Hot Magenta #F504C9 ΔE 0.056
- Neon Pink #F72585 ΔE 0.060
- Barbie Pink #FE46A5 ΔE 0.068
Use #EF04A4 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.