#EF3A52
Closest named color: Imperial Red (#E63946). oklch(63% 0.215 19.2), rgb(239, 58, 82).
Aa
Black text reads best on this color (5.39:1).
About this color
#EF3A52 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.215 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.022 away. Black text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #EF3A52 |
| RGB | rgb(239, 58, 82) |
| HSL | hsl(352, 85%, 58%) |
| OKLCH | oklch(63% 0.215 19.2) |
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 #EF3A52 | 3.89:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #EF3A52 | 5.39:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #EF3A52 text on white | 3.89:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #EF3A52 text on black | 5.39:1 | AA | Lc -36.9 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FEE2E2
oklch(93.6% 0.031 17.7)
-
Step 200
200
#FECACA
oklch(88.5% 0.059 18.3)
-
Step 300
300
#FDA5A5
oklch(80.9% 0.105 19.6)
-
Step 400
400
#F76E76
oklch(70.6% 0.168 18.9)
-
Step 500
500 (this color)
#EF3A52
oklch(63% 0.215 19.2)
-
Step 600
600
#D7003A
oklch(55.7% 0.223 19.3)
-
Step 700
700
#B60030
oklch(49.1% 0.197 19.1)
-
Step 800
800
#960026
oklch(42.6% 0.171 19.1)
-
Step 900
900
#7B0E21
oklch(37.7% 0.14 19.4)
-
Step 950
950
#490D14
oklch(27.1% 0.089 19.4)
#EF3A52 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) | #6F6952 | 0.237 |
| Deuteranopia (no green cones) | #9C8F4D | 0.217 |
| Tritanopia (no blue cones) | #FF0045 | 0.039 |
| Achromatopsia (no color) | #818181 | 0.217 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF3A52
#EF3A52
oklch(63% 0.215 19.2)
- #009CA2
#009CA2
oklch(62.9% 0.107 199.6)
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 #EF3A52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.022
- Red Pink #FA2A55 ΔE 0.024
- Strawberry #FB2943 ΔE 0.027
- Pinky Red #FC2647 ΔE 0.027
- Red Pantone #EF233C ΔE 0.028
- Watermelon #FD4659 ΔE 0.035
- Pink Red #F5054F ΔE 0.035
- Paradise Pink #EF476F ΔE 0.036
Use #EF3A52 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.