#E33F47
Closest named color: Imperial Red (#E63946). oklch(61.3% 0.2 22.9), rgb(227, 63, 71).
Aa
Black text reads best on this color (5.06:1).
About this color
#E33F47 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.200 and its hue 23°. 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 5.06:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #E33F47 |
| RGB | rgb(227, 63, 71) |
| HSL | hsl(357, 75%, 57%) |
| OKLCH | oklch(61.3% 0.2 22.9) |
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 #E33F47 | 4.14:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #E33F47 | 5.06:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #E33F47 text on white | 4.14:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #E33F47 text on black | 5.06:1 | AA | Lc -34.5 | 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
#FBCCC8
oklch(88.5% 0.054 23.9)
-
Step 300
300
#FAA8A3
oklch(81% 0.098 23.3)
-
Step 400
400
#F37472
oklch(70.8% 0.157 22.8)
-
Step 500
500 (this color)
#E33F47
oklch(61.3% 0.2 22.9)
-
Step 600
600
#D5122F
oklch(55.6% 0.218 23)
-
Step 700
700
#B70024
oklch(49.2% 0.198 23)
-
Step 800
800
#95081E
oklch(42.6% 0.167 22.8)
-
Step 900
900
#78171E
oklch(37.7% 0.131 22.8)
-
Step 950
950
#471012
oklch(27% 0.084 22.8)
#E33F47 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) | #6E6646 | 0.218 |
| Deuteranopia (no green cones) | #978942 | 0.199 |
| Tritanopia (no blue cones) | #F90044 | 0.052 |
| Achromatopsia (no color) | #7D7D7D | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E33F47
#E33F47
oklch(61.3% 0.2 22.9)
- #0096A0
#0096A0
oklch(61.3% 0.104 203.1)
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 #E33F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.008
- Faded Red #D3494E ΔE 0.031
- Red Pantone #EF233C ΔE 0.031
- Pale Red #D9544D ΔE 0.034
- Pastel Red #DB5856 ΔE 0.039
- Dark Coral #CF524E ΔE 0.042
- Tomato Red #EC2D01 ΔE 0.045
- Strawberry #FB2943 ΔE 0.045
Use #E33F47 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.