#EF5B55
Closest named color: Grapefruit (#FD5956). oklch(66.4% 0.184 25.7), rgb(239, 91, 85).
Aa
Black text reads best on this color (6.29:1).
About this color
#EF5B55 is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.184 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Grapefruit (#FD5956), ΔE 0.026 away. Black text reads best on it, at 6.29:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Grapefruit (#FD5956) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #EF5B55 |
| RGB | rgb(239, 91, 85) |
| HSL | hsl(2, 83%, 64%) |
| OKLCH | oklch(66.4% 0.184 25.7) |
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 #EF5B55 | 3.33:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #EF5B55 | 6.29:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #EF5B55 text on white | 3.33:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #EF5B55 text on black | 6.29:1 | AA | Lc -41.9 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC8
oklch(88.5% 0.05 25.7)
-
Step 300
300
#F5AAA3
oklch(80.8% 0.09 25.2)
-
Step 400
400
#ED7971
oklch(70.7% 0.144 25.4)
-
Step 500
500 (this color)
#EF5B55
oklch(66.4% 0.184 25.7)
-
Step 600
600
#CF2A2E
oklch(55.7% 0.2 25.7)
-
Step 700
700
#B21821
oklch(49% 0.186 25.5)
-
Step 800
800
#911A1D
oklch(42.8% 0.154 25.7)
-
Step 900
900
#741E1D
oklch(37.6% 0.12 25.6)
-
Step 950
950
#451412
oklch(27.2% 0.076 25.8)
#EF5B55 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) | #827953 | 0.195 |
| Deuteranopia (no green cones) | #A79951 | 0.181 |
| Tritanopia (no blue cones) | #FF3B5B | 0.053 |
| Achromatopsia (no color) | #8D8D8D | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF5B55
#EF5B55
oklch(66.4% 0.184 25.7)
- #00A7B5
#00A7B5
oklch(66.5% 0.114 205.4)
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 #EF5B55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grapefruit #FD5956 ΔE 0.026
- Coral Pink #FF6163 ΔE 0.036
- Light Red #FF474C ΔE 0.037
- Pastel Red #DB5856 ΔE 0.039
- Watermelon #FD4659 ΔE 0.039
- Tomato #FF6347 ΔE 0.041
- Burnt Sienna #E76F51 ΔE 0.042
- Pale Red #D9544D ΔE 0.046
Use #EF5B55 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.