#EC637C
Closest named color: Rosy Pink (#F6688E). oklch(67.7% 0.17 11.6), rgb(236, 99, 124).
Aa
Black text reads best on this color (6.64:1).
About this color
#EC637C is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.170 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Rosy Pink (#F6688E), ΔE 0.031 away. Black text reads best on it, at 6.64:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Rosy Pink (#F6688E) |
| Black text | 6.64:1 |
| White text | 3.16:1 |
Values
| HEX | #EC637C |
| RGB | rgb(236, 99, 124) |
| HSL | hsl(349, 78%, 66%) |
| OKLCH | oklch(67.7% 0.17 11.6) |
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 #EC637C | 3.16:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #EC637C | 6.64:1 | AA | Lc 46.0 | Large or bold text, headings |
| #EC637C text on white | 3.16:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #EC637C text on black | 6.64:1 | AA | Lc -43.7 | 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 400.
-
Step 50
50
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FEE2E4
oklch(93.6% 0.031 12.8)
-
Step 200
200
#FDCACF
oklch(88.5% 0.058 11.7)
-
Step 300
300
#FDA4AF
oklch(81% 0.106 11.6)
-
Step 400
400 (this color)
#EC637C
oklch(67.7% 0.17 11.6)
-
Step 500
500
#EE3767
oklch(63.1% 0.217 11.4)
-
Step 600
600
#D50051
oklch(55.7% 0.223 11.5)
-
Step 700
700
#B40043
oklch(49.1% 0.196 11.6)
-
Step 800
800
#950036
oklch(42.7% 0.171 11.6)
-
Step 900
900
#7A0C2D
oklch(37.6% 0.141 11.9)
-
Step 950
950
#480C1B
oklch(27% 0.089 11.3)
#EC637C 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) | #81807C | 0.186 |
| Deuteranopia (no green cones) | #A49B79 | 0.172 |
| Tritanopia (no blue cones) | #FF506D | 0.042 |
| Achromatopsia (no color) | #919191 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC637C
#EC637C
oklch(67.7% 0.17 11.6)
- #00AEA9
#00AEA9
oklch(67.8% 0.117 191.1)
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 #EC637C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rosy Pink #F6688E ΔE 0.031
- Warm Pink #FB5581 ΔE 0.035
- Medium Pink #F36196 ΔE 0.040
- Pale Violet Red #DB7093 ΔE 0.043
- Paradise Pink #EF476F ΔE 0.045
- Coral Pink #FF6163 ΔE 0.047
- Grapefruit #FD5956 ΔE 0.053
- Watermelon #FD4659 ΔE 0.057
Use #EC637C 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.