#E42E3E
Closest named color: Imperial Red (#E63946). oklch(59.9% 0.215 22.8), rgb(228, 46, 62).
Aa
Black text reads best on this color (4.75:1).
About this color
#E42E3E is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.215 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.015 away. Black text reads best on it, at 4.75:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #E42E3E |
| RGB | rgb(228, 46, 62) |
| HSL | hsl(355, 77%, 54%) |
| OKLCH | oklch(59.9% 0.215 22.8) |
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 #E42E3E | 4.41:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #E42E3E | 4.75:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #E42E3E text on white | 4.41:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #E42E3E text on black | 4.75:1 | AA | Lc -32.8 | 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 500.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2E0
oklch(93.5% 0.031 22.6)
-
Step 200
200
#FECBC7
oklch(88.6% 0.058 23.5)
-
Step 300
300
#FDA5A1
oklch(80.8% 0.105 22.5)
-
Step 400
400
#F86F6E
oklch(70.7% 0.169 22.8)
-
Step 500
500 (this color)
#E42E3E
oklch(59.9% 0.215 22.8)
-
Step 600
600
#D8002D
oklch(55.7% 0.225 22.8)
-
Step 700
700
#B70025
oklch(49.2% 0.198 22.7)
-
Step 800
800
#97001D
oklch(42.7% 0.172 22.6)
-
Step 900
900
#7B0F1B
oklch(37.6% 0.14 22.6)
-
Step 950
950
#490D11
oklch(27% 0.089 22.2)
#E42E3E 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) | #685F3D | 0.235 |
| Deuteranopia (no green cones) | #948637 | 0.216 |
| Tritanopia (no blue cones) | #FB0036 | 0.044 |
| Achromatopsia (no color) | #787878 | 0.217 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E42E3E
#E42E3E
oklch(59.9% 0.215 22.8)
- #00919B
#00919B
oklch(59.8% 0.102 203.4)
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 #E42E3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.015
- Red Pantone #EF233C ΔE 0.021
- Crimson #DC143C ΔE 0.031
- Cherry Red #F7022A ΔE 0.039
- Tomato Red #EC2D01 ΔE 0.040
- Faded Red #D3494E ΔE 0.042
- Pink Red #F5054F ΔE 0.044
- Strawberry #FB2943 ΔE 0.045
Use #E42E3E 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.