#E42328
Closest named color: Red Pantone (#EF233C). oklch(59% 0.224 26.7), rgb(228, 35, 40).
Aa
White text reads best on this color (4.59:1).
About this color
#E42328 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.224 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Red Pantone (#EF233C), ΔE 0.029 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 | Red Pantone (#EF233C) |
| Black text | 4.56:1 |
| White text | 4.59:1 |
Values
| HEX | #E42328 |
| RGB | rgb(228, 35, 40) |
| HSL | hsl(358, 78%, 52%) |
| OKLCH | oklch(59% 0.224 26.7) |
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 #E42328 | 4.59:1 | AA | Lc -75.3 | Fine for body text |
| Black text on #E42328 | 4.56:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #E42328 text on white | 4.59:1 | AA | Lc 69.8 | Content text, not long reading |
| #E42328 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC6
oklch(88.5% 0.055 26.5)
-
Step 300
300
#FBA79E
oklch(80.8% 0.101 26.2)
-
Step 400
400
#F47368
oklch(70.6% 0.161 26.9)
-
Step 500
500
#EC443F
oklch(63.1% 0.206 26.7)
-
Step 600
600 (this color)
#E42328
oklch(59% 0.224 26.7)
-
Step 700
700
#B70013
oklch(49% 0.2 26.8)
-
Step 800
800
#97030F
oklch(42.7% 0.172 26.8)
-
Step 900
900
#791615
oklch(37.7% 0.134 26.9)
-
Step 950
950
#48100E
oklch(27.1% 0.085 26.6)
#E42328 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) | #655B25 | 0.245 |
| Deuteranopia (no green cones) | #94841D | 0.221 |
| Tritanopia (no blue cones) | #FB0029 | 0.044 |
| Achromatopsia (no color) | #757575 | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E42328
#E42328
oklch(59% 0.224 26.7)
- #008E9B
#008E9B
oklch(59.1% 0.101 206.2)
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 #E42328, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Pantone #EF233C ΔE 0.029
- Tomato Red #EC2D01 ΔE 0.029
- Imperial Red #E63946 ΔE 0.032
- Crimson #DC143C ΔE 0.032
- Cherry Red #F7022A ΔE 0.036
- Vermillion #F4320C ΔE 0.043
- Fire Engine Red #FE0002 ΔE 0.050
- Bright Red #FF000D ΔE 0.051
Use #E42328 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.