#EF538B
Closest named color: Medium Pink (#F36196). oklch(66.7% 0.196 2), rgb(239, 83, 139).
Aa
Black text reads best on this color (6.28:1).
About this color
#EF538B is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.196 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Pink (#F36196), ΔE 0.028 away. Black text reads best on it, at 6.28:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Medium Pink (#F36196) |
| Black text | 6.28:1 |
| White text | 3.34:1 |
Values
| HEX | #EF538B |
| RGB | rgb(239, 83, 139) |
| HSL | hsl(338, 83%, 63%) |
| OKLCH | oklch(66.7% 0.196 2) |
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 #EF538B | 3.34:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #EF538B | 6.28:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #EF538B text on white | 3.34:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #EF538B text on black | 6.28:1 | AA | Lc -41.8 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F9CBD6
oklch(88.5% 0.054 2.2)
-
Step 300
300
#F5A7BC
oklch(80.9% 0.095 1.8)
-
Step 400
400
#EC7399
oklch(70.7% 0.154 2)
-
Step 500
500 (this color)
#EF538B
oklch(66.7% 0.196 2)
-
Step 600
600
#CD196A
oklch(55.6% 0.213 1.8)
-
Step 700
700
#B10058
oklch(49.1% 0.198 2)
-
Step 800
800
#900D48
oklch(42.7% 0.164 2)
-
Step 900
900
#74183C
oklch(37.7% 0.128 2.2)
-
Step 950
950
#441123
oklch(27% 0.08 2.5)
#EF538B 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) | #72798C | 0.219 |
| Deuteranopia (no green cones) | #9C9887 | 0.200 |
| Tritanopia (no blue cones) | #FF4069 | 0.053 |
| Achromatopsia (no color) | #8C8C8C | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF538B
#EF538B
oklch(66.7% 0.196 2)
- #00AC9A
#00AC9A
oklch(66.8% 0.12 181.9)
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 #EF538B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Pink #F36196 ΔE 0.028
- Warm Pink #FB5581 ΔE 0.029
- Paradise Pink #EF476F ΔE 0.038
- Rosy Pink #F6688E ΔE 0.043
- Barbie Pink #FE46A5 ΔE 0.052
- Neon Pink #F72585 ΔE 0.053
- Pale Violet Red #DB7093 ΔE 0.059
- Pale Magenta #D767AD ΔE 0.065
Use #EF538B 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.