#E33941
Closest named color: Imperial Red (#E63946). oklch(60.6% 0.206 23.6), rgb(227, 57, 65).
Aa
Black text reads best on this color (4.92:1).
About this color
#E33941 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.206 and its hue 24°. 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 4.92:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #E33941 |
| RGB | rgb(227, 57, 65) |
| HSL | hsl(357, 75%, 56%) |
| OKLCH | oklch(60.6% 0.206 23.6) |
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 #E33941 | 4.26:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #E33941 | 4.92:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #E33941 text on white | 4.26:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #E33941 text on black | 4.92:1 | AA | Lc -33.7 | 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
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCBC8
oklch(88.4% 0.056 22.4)
-
Step 300
300
#FBA7A1
oklch(80.9% 0.1 24)
-
Step 400
400
#F4726F
oklch(70.6% 0.161 23.4)
-
Step 500
500 (this color)
#E33941
oklch(60.6% 0.206 23.6)
-
Step 600
600
#D7032A
oklch(55.5% 0.223 23.6)
-
Step 700
700
#B70021
oklch(49.2% 0.199 23.8)
-
Step 800
800
#97011A
oklch(42.7% 0.172 23.7)
-
Step 900
900
#79151B
oklch(37.7% 0.134 23.9)
-
Step 950
950
#480F11
oklch(27.1% 0.086 23.2)
#E33941 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) | #6C6340 | 0.223 |
| Deuteranopia (no green cones) | #96883B | 0.205 |
| Tritanopia (no blue cones) | #FA003E | 0.049 |
| Achromatopsia (no color) | #7B7B7B | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E33941
#E33941
oklch(60.6% 0.206 23.6)
- #00949E
#00949E
oklch(60.7% 0.103 203.2)
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 #E33941, 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 0.027
- Faded Red #D3494E ΔE 0.034
- Tomato Red #EC2D01 ΔE 0.040
- Pale Red #D9544D ΔE 0.040
- Crimson #DC143C ΔE 0.041
- Cherry Red #F7022A ΔE 0.044
- Strawberry #FB2943 ΔE 0.045
Use #E33941 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.