#E4282B
Closest named color: Red Pantone (#EF233C). oklch(59.3% 0.221 26.7), rgb(228, 40, 43).
Aa
Black text reads best on this color (4.63:1).
About this color
#E4282B is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.221 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Red Pantone (#EF233C), ΔE 0.027 away. Black text reads best on it, at 4.63:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.221) |
| Temperature | warm |
| Nearest name | Red Pantone (#EF233C) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #E4282B |
| RGB | rgb(228, 40, 43) |
| HSL | hsl(359, 78%, 53%) |
| OKLCH | oklch(59.3% 0.221 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 #E4282B | 4.52:1 | AA | Lc -75.0 | Content text, not long reading |
| Black text on #E4282B | 4.63:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #E4282B text on white | 4.52:1 | AA | Lc 69.5 | Content text, not long reading |
| #E4282B text on black | 4.63:1 | AA | Lc -32.2 | 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
#FAA89E
oklch(80.9% 0.099 27.1)
-
Step 400
400
#F37469
oklch(70.6% 0.158 26.9)
-
Step 500
500
#EB4640
oklch(63.2% 0.203 26.8)
-
Step 600
600 (this color)
#E4282B
oklch(59.3% 0.221 26.7)
-
Step 700
700
#B70014
oklch(49% 0.2 26.6)
-
Step 800
800
#960711
oklch(42.6% 0.17 26.7)
-
Step 900
900
#791716
oklch(37.8% 0.133 26.8)
-
Step 950
950
#47100E
oklch(26.9% 0.084 26.6)
#E4282B 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) | #675C28 | 0.240 |
| Deuteranopia (no green cones) | #948521 | 0.219 |
| Tritanopia (no blue cones) | #FB002C | 0.044 |
| Achromatopsia (no color) | #767676 | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4282B
#E4282B
oklch(59.3% 0.221 26.7)
- #008F9C
#008F9C
oklch(59.4% 0.102 206.1)
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 #E4282B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Pantone #EF233C ΔE 0.027
- Tomato Red #EC2D01 ΔE 0.028
- Imperial Red #E63946 ΔE 0.028
- Crimson #DC143C ΔE 0.034
- Cherry Red #F7022A ΔE 0.037
- Vermillion #F4320C ΔE 0.041
- Faded Red #D3494E ΔE 0.050
- Fire Engine Red #FE0002 ΔE 0.050
Use #E4282B 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.