#EC4B55
Closest named color: Imperial Red (#E63946). oklch(64.1% 0.197 21.3), rgb(236, 75, 85).
Aa
Black text reads best on this color (5.70:1).
About this color
#EC4B55 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.197 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.031 away. Black text reads best on it, at 5.70:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.70:1 |
| White text | 3.68:1 |
Values
| HEX | #EC4B55 |
| RGB | rgb(236, 75, 85) |
| HSL | hsl(356, 81%, 61%) |
| OKLCH | oklch(64.1% 0.197 21.3) |
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 #EC4B55 | 3.68:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #EC4B55 | 5.70:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #EC4B55 text on white | 3.68:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #EC4B55 text on black | 5.70:1 | AA | Lc -38.4 | 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
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FBCCCA
oklch(88.5% 0.054 21.1)
-
Step 300
300
#F9A8A5
oklch(80.9% 0.096 21.7)
-
Step 400
400
#F17475
oklch(70.6% 0.154 21.3)
-
Step 500
500 (this color)
#EC4B55
oklch(64.1% 0.197 21.3)
-
Step 600
600
#D41736
oklch(55.7% 0.214 21.4)
-
Step 700
700
#B60029
oklch(49% 0.197 21.4)
-
Step 800
800
#940C23
oklch(42.6% 0.164 21.3)
-
Step 900
900
#771821
oklch(37.6% 0.129 21.3)
-
Step 950
950
#461114
oklch(27% 0.081 21.3)
#EC4B55 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) | #776F54 | 0.213 |
| Deuteranopia (no green cones) | #9F9250 | 0.198 |
| Tritanopia (no blue cones) | #FF1E50 | 0.051 |
| Achromatopsia (no color) | #858585 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC4B55
#EC4B55
oklch(64.1% 0.197 21.3)
- #00A0A8
#00A0A8
oklch(64.2% 0.109 201.1)
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 #EC4B55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.031
- Watermelon #FD4659 ΔE 0.032
- Pastel Red #DB5856 ΔE 0.035
- Light Red #FF474C ΔE 0.036
- Paradise Pink #EF476F ΔE 0.037
- Pale Red #D9544D ΔE 0.039
- Strawberry #FB2943 ΔE 0.041
- Red Pink #FA2A55 ΔE 0.042
Use #EC4B55 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.