#EC4444
Closest named color: Imperial Red (#E63946). oklch(63.2% 0.205 25.3), rgb(236, 68, 68).
Aa
Black text reads best on this color (5.47:1).
About this color
#EC4444 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.205 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.023 away. Black text reads best on it, at 5.47:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #EC4444 |
| RGB | rgb(236, 68, 68) |
| HSL | hsl(0, 82%, 60%) |
| OKLCH | oklch(63.2% 0.205 25.3) |
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 #EC4444 | 3.83:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #EC4444 | 5.47:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #EC4444 text on white | 3.83:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #EC4444 text on black | 5.47:1 | AA | Lc -37.2 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC7
oklch(88.6% 0.055 25.2)
-
Step 300
300
#FBA7A0
oklch(80.9% 0.101 24.8)
-
Step 400
400
#F4736C
oklch(70.7% 0.16 25.1)
-
Step 500
500 (this color)
#EC4444
oklch(63.2% 0.205 25.3)
-
Step 600
600
#D70823
oklch(55.6% 0.223 25.3)
-
Step 700
700
#B7001B
oklch(49.1% 0.199 25.2)
-
Step 800
800
#970315
oklch(42.7% 0.172 25.3)
-
Step 900
900
#791618
oklch(37.7% 0.133 25.6)
-
Step 950
950
#47100F
oklch(26.9% 0.084 25.7)
#EC4444 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) | #756B42 | 0.220 |
| Deuteranopia (no green cones) | #9F8F3E | 0.201 |
| Tritanopia (no blue cones) | #FF0046 | 0.054 |
| Achromatopsia (no color) | #828282 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC4444
#EC4444
oklch(63.2% 0.205 25.3)
- #009CA9
#009CA9
oklch(63.2% 0.108 205.2)
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 #EC4444, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.023
- Red Pantone #EF233C ΔE 0.034
- Strawberry #FB2943 ΔE 0.036
- Orangey Red #FA4224 ΔE 0.037
- Vermillion #F4320C ΔE 0.038
- Pale Red #D9544D ΔE 0.038
- Light Red #FF474C ΔE 0.039
- Pinky Red #FC2647 ΔE 0.040
Use #EC4444 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.