#EF5758
Closest named color: Grapefruit (#FD5956). oklch(66% 0.188 23.4), rgb(239, 87, 88).
Aa
Black text reads best on this color (6.17:1).
About this color
#EF5758 is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.188 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Grapefruit (#FD5956), ΔE 0.028 away. Black text reads best on it, at 6.17:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Grapefruit (#FD5956) |
| Black text | 6.17:1 |
| White text | 3.40:1 |
Values
| HEX | #EF5758 |
| RGB | rgb(239, 87, 88) |
| HSL | hsl(360, 83%, 64%) |
| OKLCH | oklch(66% 0.188 23.4) |
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 #EF5758 | 3.40:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #EF5758 | 6.17:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #EF5758 text on white | 3.40:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #EF5758 text on black | 6.17:1 | AA | Lc -41.2 | 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
#FBE3E1
oklch(93.5% 0.027 23.4)
-
Step 200
200
#F9CDC9
oklch(88.5% 0.05 24.2)
-
Step 300
300
#F6A9A4
oklch(80.8% 0.092 23.4)
-
Step 400
400
#EE7874
oklch(70.7% 0.146 23.5)
-
Step 500
500 (this color)
#EF5758
oklch(66% 0.188 23.4)
-
Step 600
600
#D02533
oklch(55.6% 0.204 23.6)
-
Step 700
700
#B41226
oklch(49.2% 0.19 23.5)
-
Step 800
800
#921621
oklch(42.7% 0.157 23.4)
-
Step 900
900
#751D20
oklch(37.7% 0.122 23.5)
-
Step 950
950
#451313
oklch(27% 0.077 23.8)
#EF5758 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) | #7F7757 | 0.201 |
| Deuteranopia (no green cones) | #A59754 | 0.185 |
| Tritanopia (no blue cones) | #FF3559 | 0.050 |
| Achromatopsia (no color) | #8B8B8B | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF5758
#EF5758
oklch(66% 0.188 23.4)
- #00A6B1
#00A6B1
oklch(66.1% 0.113 203.2)
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 #EF5758, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grapefruit #FD5956 ΔE 0.028
- Watermelon #FD4659 ΔE 0.033
- Light Red #FF474C ΔE 0.033
- Pastel Red #DB5856 ΔE 0.037
- Coral Pink #FF6163 ΔE 0.039
- Pale Red #D9544D ΔE 0.045
- Paradise Pink #EF476F ΔE 0.047
- Tomato #FF6347 ΔE 0.048
Use #EF5758 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.