#E43F49
Closest named color: Imperial Red (#E63946). oklch(61.5% 0.201 22.3), rgb(228, 63, 73).
Aa
Black text reads best on this color (5.10:1).
About this color
#E43F49 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.201 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.008 away. Black text reads best on it, at 5.10:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #E43F49 |
| RGB | rgb(228, 63, 73) |
| HSL | hsl(356, 75%, 57%) |
| OKLCH | oklch(61.5% 0.201 22.3) |
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 #E43F49 | 4.11:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #E43F49 | 5.10:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #E43F49 text on white | 4.11:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #E43F49 text on black | 5.10:1 | AA | Lc -34.7 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCCC9
oklch(88.6% 0.055 22.4)
-
Step 300
300
#FAA7A4
oklch(80.9% 0.099 21.8)
-
Step 400
400
#F37373
oklch(70.7% 0.158 21.9)
-
Step 500
500 (this color)
#E43F49
oklch(61.5% 0.201 22.3)
-
Step 600
600
#D51031
oklch(55.5% 0.218 22.4)
-
Step 700
700
#B60026
oklch(49% 0.198 22.3)
-
Step 800
800
#96071F
oklch(42.8% 0.168 22.5)
-
Step 900
900
#78171F
oklch(37.7% 0.131 22.3)
-
Step 950
950
#471013
oklch(27% 0.083 21.8)
#E43F49 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) | #6E6748 | 0.219 |
| Deuteranopia (no green cones) | #988A44 | 0.200 |
| Tritanopia (no blue cones) | #FA0044 | 0.051 |
| Achromatopsia (no color) | #7D7D7D | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E43F49
#E43F49
oklch(61.5% 0.201 22.3)
- #0097A0
#0097A0
oklch(61.6% 0.105 202.3)
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 #E43F49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.008
- Red Pantone #EF233C ΔE 0.030
- Faded Red #D3494E ΔE 0.032
- Pale Red #D9544D ΔE 0.035
- Pastel Red #DB5856 ΔE 0.039
- Strawberry #FB2943 ΔE 0.044
- Dark Coral #CF524E ΔE 0.044
- Pinky Red #FC2647 ΔE 0.046
Use #E43F49 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.