#EF6583
Closest named color: Rosy Pink (#F6688E). oklch(68.6% 0.171 9.4), rgb(239, 101, 131).
Aa
Black text reads best on this color (6.85:1).
About this color
#EF6583 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.171 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Rosy Pink (#F6688E), ΔE 0.020 away. Black text reads best on it, at 6.85:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Rosy Pink (#F6688E) |
| Black text | 6.85:1 |
| White text | 3.06:1 |
Values
| HEX | #EF6583 |
| RGB | rgb(239, 101, 131) |
| HSL | hsl(347, 81%, 67%) |
| OKLCH | oklch(68.6% 0.171 9.4) |
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 #EF6583 | 3.06:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #EF6583 | 6.85:1 | AA | Lc 47.3 | Large or bold text, headings |
| #EF6583 text on white | 3.06:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #EF6583 text on black | 6.85:1 | AA | Lc -45.0 | 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 400.
-
Step 50
50
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FEE2E5
oklch(93.6% 0.031 10.3)
-
Step 200
200
#FDCAD1
oklch(88.5% 0.059 9.1)
-
Step 300
300
#FDA3B2
oklch(80.9% 0.108 8.9)
-
Step 400
400 (this color)
#EF6583
oklch(68.6% 0.171 9.4)
-
Step 500
500
#EE366C
oklch(63.1% 0.219 9.5)
-
Step 600
600
#D40057
oklch(55.7% 0.223 9.2)
-
Step 700
700
#B30048
oklch(49% 0.196 9.3)
-
Step 800
800
#94003A
oklch(42.6% 0.171 9.4)
-
Step 900
900
#7A0A31
oklch(37.6% 0.143 9.1)
-
Step 950
950
#480C1D
oklch(27% 0.09 9.1)
#EF6583 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) | #828284 | 0.188 |
| Deuteranopia (no green cones) | #A59E80 | 0.175 |
| Tritanopia (no blue cones) | #FF5370 | 0.040 |
| Achromatopsia (no color) | #939393 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6583
#EF6583
oklch(68.6% 0.171 9.4)
- #00B1A9
#00B1A9
oklch(68.6% 0.119 189.1)
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 #EF6583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rosy Pink #F6688E ΔE 0.020
- Medium Pink #F36196 ΔE 0.031
- Warm Pink #FB5581 ΔE 0.032
- Pale Violet Red #DB7093 ΔE 0.041
- Coral Pink #FF6163 ΔE 0.049
- Carnation #FD798F ΔE 0.051
- Paradise Pink #EF476F ΔE 0.051
- Muted Pink #D1768F ΔE 0.058
Use #EF6583 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.