#EF4B53
Closest named color: Watermelon (#FD4659). oklch(64.6% 0.2 22.1), rgb(239, 75, 83).
Aa
Black text reads best on this color (5.80:1).
About this color
#EF4B53 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.200 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.027 away. Black text reads best on it, at 5.80:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Watermelon (#FD4659) |
| Black text | 5.80:1 |
| White text | 3.61:1 |
Values
| HEX | #EF4B53 |
| RGB | rgb(239, 75, 83) |
| HSL | hsl(357, 84%, 62%) |
| OKLCH | oklch(64.6% 0.2 22.1) |
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 #EF4B53 | 3.61:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #EF4B53 | 5.80:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #EF4B53 text on white | 3.61:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #EF4B53 text on black | 5.80:1 | AA | Lc -39.1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FBCCC9
oklch(88.5% 0.054 22.5)
-
Step 300
300
#FAA7A4
oklch(80.9% 0.099 21.8)
-
Step 400
400
#F27473
oklch(70.7% 0.156 22.3)
-
Step 500
500 (this color)
#EF4B53
oklch(64.6% 0.2 22.1)
-
Step 600
600
#D51232
oklch(55.6% 0.217 22.2)
-
Step 700
700
#B60027
oklch(49% 0.197 22)
-
Step 800
800
#950820
oklch(42.6% 0.167 22.1)
-
Step 900
900
#78171F
oklch(37.7% 0.131 22.3)
-
Step 950
950
#471013
oklch(27% 0.083 21.8)
#EF4B53 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) | #787052 | 0.217 |
| Deuteranopia (no green cones) | #A1934E | 0.199 |
| Tritanopia (no blue cones) | #FF1A4F | 0.051 |
| Achromatopsia (no color) | #868686 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF4B53
#EF4B53
oklch(64.6% 0.2 22.1)
- #00A1AB
#00A1AB
oklch(64.6% 0.11 202.6)
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 #EF4B53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Watermelon #FD4659 ΔE 0.027
- Light Red #FF474C ΔE 0.030
- Imperial Red #E63946 ΔE 0.035
- Pastel Red #DB5856 ΔE 0.039
- Strawberry #FB2943 ΔE 0.039
- Grapefruit #FD5956 ΔE 0.039
- Paradise Pink #EF476F ΔE 0.039
- Pinky Red #FC2647 ΔE 0.041
Use #EF4B53 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.