#E23C3E
Closest named color: Imperial Red (#E63946). oklch(60.7% 0.203 25.1), rgb(226, 60, 62).
Aa
Black text reads best on this color (4.94:1).
About this color
#E23C3E is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.203 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.013 away. Black text reads best on it, at 4.94:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #E23C3E |
| RGB | rgb(226, 60, 62) |
| HSL | hsl(359, 74%, 56%) |
| OKLCH | oklch(60.7% 0.203 25.1) |
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 #E23C3E | 4.24:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #E23C3E | 4.94:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #E23C3E text on white | 4.24:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #E23C3E text on black | 4.94:1 | AA | Lc -33.8 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC7
oklch(88.6% 0.055 25.2)
-
Step 300
300
#FAA8A0
oklch(80.9% 0.098 25.6)
-
Step 400
400
#F3746D
oklch(70.7% 0.158 25.1)
-
Step 500
500 (this color)
#E23C3E
oklch(60.7% 0.203 25.1)
-
Step 600
600
#D60F26
oklch(55.6% 0.22 25)
-
Step 700
700
#B7001C
oklch(49.1% 0.199 25)
-
Step 800
800
#960617
oklch(42.7% 0.169 25)
-
Step 900
900
#791719
oklch(37.8% 0.132 25.4)
-
Step 950
950
#471010
oklch(27% 0.084 24.7)
#E23C3E 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) | #6D643C | 0.220 |
| Deuteranopia (no green cones) | #978838 | 0.200 |
| Tritanopia (no blue cones) | #F8003F | 0.051 |
| Achromatopsia (no color) | #7B7B7B | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E23C3E
#E23C3E
oklch(60.7% 0.203 25.1)
- #0094A0
#0094A0
oklch(60.8% 0.104 204.9)
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 #E23C3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.013
- Red Pantone #EF233C ΔE 0.031
- Faded Red #D3494E ΔE 0.032
- Pale Red #D9544D ΔE 0.037
- Tomato Red #EC2D01 ΔE 0.037
- Dark Coral #CF524E ΔE 0.043
- Vermillion #F4320C ΔE 0.044
- Pastel Red #DB5856 ΔE 0.044
Use #E23C3E 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.