#EC535D
Closest named color: Watermelon (#FD4659). oklch(65.1% 0.188 20.3), rgb(236, 83, 93).
Aa
Black text reads best on this color (5.96:1).
About this color
#EC535D is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.188 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.033 away. Black text reads best on it, at 5.96:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Watermelon (#FD4659) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #EC535D |
| RGB | rgb(236, 83, 93) |
| HSL | hsl(356, 80%, 63%) |
| OKLCH | oklch(65.1% 0.188 20.3) |
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 #EC535D | 3.52:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #EC535D | 5.96:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #EC535D text on white | 3.52:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #EC535D text on black | 5.96:1 | AA | Lc -39.9 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CCCB
oklch(88.4% 0.051 19.7)
-
Step 300
300
#F7A9A8
oklch(81% 0.092 20.1)
-
Step 400
400
#EE7779
oklch(70.7% 0.147 20.5)
-
Step 500
500 (this color)
#EC535D
oklch(65.1% 0.188 20.3)
-
Step 600
600
#D0233D
oklch(55.6% 0.204 20.2)
-
Step 700
700
#B40F2F
oklch(49.2% 0.191 20.3)
-
Step 800
800
#921527
oklch(42.8% 0.158 20.6)
-
Step 900
900
#751C24
oklch(37.7% 0.122 20.6)
-
Step 950
950
#451216
oklch(27% 0.078 19.6)
#EC535D 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) | #7B745C | 0.204 |
| Deuteranopia (no green cones) | #A19459 | 0.188 |
| Tritanopia (no blue cones) | #FF3158 | 0.049 |
| Achromatopsia (no color) | #888888 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC535D
#EC535D
oklch(65.1% 0.188 20.3)
- #00A3AB
#00A3AB
oklch(65.1% 0.111 201)
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 #EC535D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Watermelon #FD4659 ΔE 0.033
- Pastel Red #DB5856 ΔE 0.033
- Paradise Pink #EF476F ΔE 0.036
- Light Red #FF474C ΔE 0.038
- Grapefruit #FD5956 ΔE 0.038
- Pale Red #D9544D ΔE 0.041
- Imperial Red #E63946 ΔE 0.044
- Coral Pink #FF6163 ΔE 0.047
Use #EC535D 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.