#EF1599
Closest named color: Shocking Pink (#FE02A2). oklch(63% 0.254 351.9), rgb(239, 21, 153).
Aa
Black text reads best on this color (5.23:1).
About this color
#EF1599 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.254 and its hue 352°. 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 5.23:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.254) |
| Temperature | warm |
| Nearest name | Shocking Pink (#FE02A2) |
| Black text | 5.23:1 |
| White text | 4.00:1 |
Values
| HEX | #EF1599 |
| RGB | rgb(239, 21, 153) |
| HSL | hsl(324, 87%, 51%) |
| OKLCH | oklch(63% 0.254 351.9) |
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 #EF1599 | 4.00:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #EF1599 | 5.23:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #EF1599 text on white | 4.00:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #EF1599 text on black | 5.23:1 | AA | Lc -36.6 | 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 500.
-
Step 50
50
#FFF1F7
oklch(97.1% 0.017 349.5)
-
Step 100
100
#FEE1EC
oklch(93.7% 0.035 352.9)
-
Step 200
200
#FEC7DE
oklch(88.5% 0.069 351.7)
-
Step 300
300
#FE9EC9
oklch(80.8% 0.125 351.9)
-
Step 400
400
#F861AE
oklch(70.7% 0.199 351.7)
-
Step 500
500 (this color)
#EF1599
oklch(63% 0.254 351.9)
-
Step 600
600
#CC0081
oklch(55.5% 0.23 351.9)
-
Step 700
700
#AD006D
oklch(49.1% 0.204 351.8)
-
Step 800
800
#8F0059
oklch(42.7% 0.177 351.9)
-
Step 900
900
#78004A
oklch(37.6% 0.156 351.9)
-
Step 950
950
#49042C
oklch(27% 0.106 351.8)
#EF1599 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) | #4D679C | 0.290 |
| Deuteranopia (no green cones) | #898C95 | 0.252 |
| Tritanopia (no blue cones) | #FF005C | 0.095 |
| Achromatopsia (no color) | #7F7F7F | 0.256 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF1599
#EF1599
oklch(63% 0.254 351.9)
- #00A080
#00A080
oklch(62.9% 0.122 171.9)
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 #EF1599, closest first.
No curated palette has a color within ΔE 0.04 of #EF1599.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shocking Pink #FE02A2 ΔE 0.031
- Deep Pink #FF1493 ΔE 0.034
- Electric Pink #FF0490 ΔE 0.035
- Strong Pink #FF0789 ΔE 0.041
- Neon Pink #F72585 ΔE 0.041
- Bright Pink #FE01B1 ΔE 0.044
- Barbie Pink #FE46A5 ΔE 0.061
- Rose #FF006E ΔE 0.072
Use #EF1599 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.