#E41F3F
Closest named color: Crimson (#DC143C). oklch(59.1% 0.224 20.7), rgb(228, 31, 63).
Aa
White text reads best on this color (4.59:1).
About this color
#E41F3F is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.224 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.020 away. White text reads best on it, at 4.59:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.224) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.56:1 |
| White text | 4.59:1 |
Values
| HEX | #E41F3F |
| RGB | rgb(228, 31, 63) |
| HSL | hsl(350, 78%, 51%) |
| OKLCH | oklch(59.1% 0.224 20.7) |
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 #E41F3F | 4.59:1 | AA | Lc -75.3 | Fine for body text |
| Black text on #E41F3F | 4.56:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #E41F3F text on white | 4.59:1 | AA | Lc 69.8 | Content text, not long reading |
| #E41F3F text on black | 4.56:1 | AA | Lc -31.8 | 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 600.
-
Step 50
50
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBC9
oklch(88.4% 0.056 21)
-
Step 300
300
#FBA6A5
oklch(80.8% 0.101 20.3)
-
Step 400
400
#F47274
oklch(70.7% 0.16 21.1)
-
Step 500
500
#EC4151
oklch(63.1% 0.206 20.5)
-
Step 600
600 (this color)
#E41F3F
oklch(59.1% 0.224 20.7)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800
#970022
oklch(42.8% 0.172 20.8)
-
Step 900
900
#791420
oklch(37.7% 0.134 21)
-
Step 950
950
#470F14
oklch(26.9% 0.085 20.1)
#E41F3F 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) | #625B3E | 0.248 |
| Deuteranopia (no green cones) | #928438 | 0.226 |
| Tritanopia (no blue cones) | #FB002F | 0.045 |
| Achromatopsia (no color) | #757575 | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E41F3F
#E41F3F
oklch(59.1% 0.224 20.7)
- #008F96
#008F96
oklch(59.1% 0.101 200.9)
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 #E41F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.020
- Red Pantone #EF233C ΔE 0.024
- Imperial Red #E63946 ΔE 0.027
- Pink Red #F5054F ΔE 0.038
- Cherry Red #F7022A ΔE 0.039
- Lipstick #D5174E ΔE 0.040
- Strawberry #FB2943 ΔE 0.049
- Tomato Red #EC2D01 ΔE 0.049
Use #E41F3F 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.