#E4453D
Closest named color: Imperial Red (#E63946). oklch(61.9% 0.197 27.4), rgb(228, 69, 61).
Aa
Black text reads best on this color (5.21:1).
About this color
#E4453D is a medium-dark, vivid red. In OKLCH its lightness is 62%, its chroma 0.197 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.022 away. Black text reads best on it, at 5.21:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #E4453D |
| RGB | rgb(228, 69, 61) |
| HSL | hsl(3, 76%, 57%) |
| OKLCH | oklch(61.9% 0.197 27.4) |
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 #E4453D | 4.02:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #E4453D | 5.21:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #E4453D text on white | 4.02:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #E4453D text on black | 5.21:1 | AA | Lc -35.4 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FBCCC6
oklch(88.4% 0.054 26.7)
-
Step 300
300
#F9A99F
oklch(81% 0.096 27.2)
-
Step 400
400
#F1766A
oklch(70.7% 0.154 27.3)
-
Step 500
500 (this color)
#E4453D
oklch(61.9% 0.197 27.4)
-
Step 600
600
#D41C1F
oklch(55.6% 0.214 27.4)
-
Step 700
700
#B70310
oklch(49.1% 0.199 27.5)
-
Step 800
800
#950F12
oklch(42.8% 0.165 27.3)
-
Step 900
900
#771A17
oklch(37.7% 0.128 27.3)
-
Step 950
950
#46120E
oklch(27% 0.081 28.1)
#E4453D 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) | #73693B | 0.210 |
| Deuteranopia (no green cones) | #9B8B37 | 0.192 |
| Tritanopia (no blue cones) | #FB0545 | 0.062 |
| Achromatopsia (no color) | #7F7F7F | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4453D
#E4453D
oklch(61.9% 0.197 27.4)
- #0097A6
#0097A6
oklch(61.8% 0.106 207.2)
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 #E4453D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.022
- Pale Red #D9544D ΔE 0.029
- Pastel Red #DB5856 ΔE 0.035
- Faded Red #D3494E ΔE 0.036
- Tomato Red #EC2D01 ΔE 0.037
- Red Pantone #EF233C ΔE 0.039
- Vermillion #F4320C ΔE 0.039
- Dark Coral #CF524E ΔE 0.042
Use #E4453D 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.