#EF3661
Closest named color: Red Pink (#FA2A55). oklch(63% 0.219 13.5), rgb(239, 54, 97).
Aa
Black text reads best on this color (5.37:1).
About this color
#EF3661 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.219 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Red Pink (#FA2A55), ΔE 0.024 away. Black text reads best on it, at 5.37:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.219) |
| Temperature | warm |
| Nearest name | Red Pink (#FA2A55) |
| Black text | 5.37:1 |
| White text | 3.91:1 |
Values
| HEX | #EF3661 |
| RGB | rgb(239, 54, 97) |
| HSL | hsl(346, 85%, 57%) |
| OKLCH | oklch(63% 0.219 13.5) |
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 #EF3661 | 3.91:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #EF3661 | 5.37:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #EF3661 text on white | 3.91:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #EF3661 text on black | 5.37:1 | AA | Lc -36.7 | 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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FEE2E4
oklch(93.6% 0.031 12.8)
-
Step 200
200
#FECACE
oklch(88.6% 0.059 13.2)
-
Step 300
300
#FEA4AC
oklch(81% 0.107 13.9)
-
Step 400
400
#F86C81
oklch(70.7% 0.172 13.4)
-
Step 500
500 (this color)
#EF3661
oklch(63% 0.219 13.5)
-
Step 600
600
#D5004B
oklch(55.6% 0.222 13.6)
-
Step 700
700
#B4003E
oklch(49% 0.196 13.6)
-
Step 800
800
#950032
oklch(42.6% 0.17 13.6)
-
Step 900
900
#7B0B2A
oklch(37.7% 0.142 13.8)
-
Step 950
950
#490C19
oklch(27.1% 0.09 13.8)
#EF3661 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) | #6B6861 | 0.243 |
| Deuteranopia (no green cones) | #9A8E5C | 0.221 |
| Tritanopia (no blue cones) | #FF0049 | 0.041 |
| Achromatopsia (no color) | #818181 | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF3661
#EF3661
oklch(63% 0.219 13.5)
- #009D9C
#009D9C
oklch(63% 0.108 194)
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 #EF3661, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Pink #FA2A55 ΔE 0.024
- Paradise Pink #EF476F ΔE 0.024
- Pink Red #F5054F ΔE 0.032
- Pinky Red #FC2647 ΔE 0.037
- Imperial Red #E63946 ΔE 0.038
- Strawberry #FB2943 ΔE 0.040
- Red Pantone #EF233C ΔE 0.042
- Watermelon #FD4659 ΔE 0.043
Use #EF3661 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.