#E43A47
Closest named color: Imperial Red (#E63946). oklch(61% 0.205 22), rgb(228, 58, 71).
Aa
Black text reads best on this color (4.99:1).
About this color
#E43A47 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.205 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.004 away. Black text reads best on it, at 4.99:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #E43A47 |
| RGB | rgb(228, 58, 71) |
| HSL | hsl(355, 76%, 56%) |
| OKLCH | oklch(61% 0.205 22) |
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 #E43A47 | 4.20:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #E43A47 | 4.99:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #E43A47 text on white | 4.20:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #E43A47 text on black | 4.99:1 | AA | Lc -34.1 | 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
#FCCBC9
oklch(88.4% 0.056 21)
-
Step 300
300
#FBA7A3
oklch(80.9% 0.1 22.5)
-
Step 400
400
#F47272
oklch(70.7% 0.16 22)
-
Step 500
500 (this color)
#E43A47
oklch(61% 0.205 22)
-
Step 600
600
#D70230
oklch(55.6% 0.223 22.1)
-
Step 700
700
#B60027
oklch(49% 0.197 22)
-
Step 800
800
#97001F
oklch(42.7% 0.172 21.9)
-
Step 900
900
#79151E
oklch(37.7% 0.134 22.3)
-
Step 950
950
#470F12
oklch(26.9% 0.085 22.1)
#E43A47 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) | #6C6446 | 0.224 |
| Deuteranopia (no green cones) | #968942 | 0.206 |
| Tritanopia (no blue cones) | #FA0041 | 0.047 |
| Achromatopsia (no color) | #7B7B7B | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E43A47
#E43A47
oklch(61% 0.205 22)
- #00959E
#00959E
oklch(61% 0.104 202.4)
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 #E43A47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.004
- Red Pantone #EF233C ΔE 0.026
- Faded Red #D3494E ΔE 0.034
- Pale Red #D9544D ΔE 0.041
- Crimson #DC143C ΔE 0.043
- Strawberry #FB2943 ΔE 0.043
- Tomato Red #EC2D01 ΔE 0.045
- Pinky Red #FC2647 ΔE 0.045
Use #E43A47 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.