#ED637F
Closest named color: Rosy Pink (#F6688E). oklch(68% 0.171 10.4), rgb(237, 99, 127).
Aa
Black text reads best on this color (6.69:1).
About this color
#ED637F is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.171 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Rosy Pink (#F6688E), ΔE 0.027 away. Black text reads best on it, at 6.69:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Rosy Pink (#F6688E) |
| Black text | 6.69:1 |
| White text | 3.13:1 |
Values
| HEX | #ED637F |
| RGB | rgb(237, 99, 127) |
| HSL | hsl(348, 79%, 66%) |
| OKLCH | oklch(68% 0.171 10.4) |
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 #ED637F | 3.13:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #ED637F | 6.69:1 | AA | Lc 46.3 | Large or bold text, headings |
| #ED637F text on white | 3.13:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #ED637F text on black | 6.69:1 | AA | Lc -44.0 | 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
#FECAD0
oklch(88.6% 0.059 10.6)
-
Step 300
300
#FDA3B0
oklch(80.8% 0.108 10.3)
-
Step 400
400 (this color)
#ED637F
oklch(68% 0.171 10.4)
-
Step 500
500
#EE366A
oklch(63% 0.219 10.2)
-
Step 600
600
#D40054
oklch(55.6% 0.222 10.3)
-
Step 700
700
#B40046
oklch(49.2% 0.197 10.4)
-
Step 800
800
#950038
oklch(42.8% 0.171 10.6)
-
Step 900
900
#7B0A2F
oklch(37.8% 0.143 10.6)
-
Step 950
950
#480C1C
oklch(27% 0.09 10.2)
#ED637F 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) | #80807F | 0.189 |
| Deuteranopia (no green cones) | #A49C7C | 0.174 |
| Tritanopia (no blue cones) | #FF506E | 0.042 |
| Achromatopsia (no color) | #919191 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ED637F
#ED637F
oklch(68% 0.171 10.4)
- #00AFA9
#00AFA9
oklch(68.1% 0.117 190.4)
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 #ED637F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rosy Pink #F6688E ΔE 0.027
- Warm Pink #FB5581 ΔE 0.033
- Medium Pink #F36196 ΔE 0.036
- Pale Violet Red #DB7093 ΔE 0.042
- Paradise Pink #EF476F ΔE 0.046
- Coral Pink #FF6163 ΔE 0.048
- Grapefruit #FD5956 ΔE 0.056
- Carnation #FD798F ΔE 0.057
Use #ED637F 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.