#EC4151
Closest named color: Imperial Red (#E63946). oklch(63.1% 0.206 20.5), rgb(236, 65, 81).
Aa
Black text reads best on this color (5.44:1).
About this color
#EC4151 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.206 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.020 away. Black text reads best on it, at 5.44:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #EC4151 |
| RGB | rgb(236, 65, 81) |
| HSL | hsl(354, 82%, 59%) |
| OKLCH | oklch(63.1% 0.206 20.5) |
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 #EC4151 | 3.85:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #EC4151 | 5.44:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #EC4151 text on white | 3.85:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #EC4151 text on black | 5.44:1 | AA | Lc -37.0 | 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 500.
-
Step 50
50
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBC9
oklch(88.4% 0.056 21)
-
Step 300
300
#FBA6A5
oklch(80.8% 0.101 20.3)
-
Step 400
400
#F57175
oklch(70.7% 0.162 20.3)
-
Step 500
500 (this color)
#EC4151
oklch(63.1% 0.206 20.5)
-
Step 600
600
#D70036
oklch(55.6% 0.223 20.4)
-
Step 700
700
#B6002C
oklch(49.1% 0.197 20.5)
-
Step 800
800
#970023
oklch(42.8% 0.172 20.4)
-
Step 900
900
#791421
oklch(37.7% 0.134 20.4)
-
Step 950
950
#480F14
oklch(27.1% 0.086 20.3)
#EC4151 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) | #716B50 | 0.227 |
| Deuteranopia (no green cones) | #9D8F4C | 0.207 |
| Tritanopia (no blue cones) | #FF0048 | 0.048 |
| Achromatopsia (no color) | #828282 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC4151
#EC4151
oklch(63.1% 0.206 20.5)
- #009CA4
#009CA4
oklch(63% 0.107 201.2)
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 #EC4151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.020
- Red Pantone #EF233C ΔE 0.032
- Strawberry #FB2943 ΔE 0.033
- Red Pink #FA2A55 ΔE 0.033
- Pinky Red #FC2647 ΔE 0.035
- Watermelon #FD4659 ΔE 0.036
- Paradise Pink #EF476F ΔE 0.038
- Light Red #FF474C ΔE 0.041
Use #EC4151 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.