#EC4047
Closest named color: Imperial Red (#E63946). oklch(62.9% 0.208 23.5), rgb(236, 64, 71).
Aa
Black text reads best on this color (5.39:1).
About this color
#EC4047 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.208 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.017 away. Black text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #EC4047 |
| RGB | rgb(236, 64, 71) |
| HSL | hsl(358, 82%, 59%) |
| OKLCH | oklch(62.9% 0.208 23.5) |
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 #EC4047 | 3.89:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #EC4047 | 5.39:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #EC4047 text on white | 3.89:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #EC4047 text on black | 5.39:1 | AA | Lc -36.7 | 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 500.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FDCBC7
oklch(88.5% 0.057 23.6)
-
Step 300
300
#FCA7A1
oklch(81% 0.102 24)
-
Step 400
400
#F5726E
oklch(70.7% 0.162 23.8)
-
Step 500
500 (this color)
#EC4047
oklch(62.9% 0.208 23.5)
-
Step 600
600
#D8002A
oklch(55.6% 0.225 23.5)
-
Step 700
700
#B70022
oklch(49.2% 0.199 23.5)
-
Step 800
800
#97001A
oklch(42.7% 0.172 23.6)
-
Step 900
900
#7A141B
oklch(37.8% 0.136 23.7)
-
Step 950
950
#480F11
oklch(27.1% 0.086 23.2)
#EC4047 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) | #726946 | 0.226 |
| Deuteranopia (no green cones) | #9D8E41 | 0.206 |
| Tritanopia (no blue cones) | #FF0044 | 0.048 |
| Achromatopsia (no color) | #818181 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC4047
#EC4047
oklch(62.9% 0.208 23.5)
- #009BA6
#009BA6
oklch(62.8% 0.107 203.7)
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 #EC4047, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.017
- Red Pantone #EF233C ΔE 0.029
- Strawberry #FB2943 ΔE 0.032
- Pinky Red #FC2647 ΔE 0.035
- Red Pink #FA2A55 ΔE 0.039
- Watermelon #FD4659 ΔE 0.040
- Vermillion #F4320C ΔE 0.040
- Light Red #FF474C ΔE 0.040
Use #EC4047 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.