#E64233
Closest named color: Imperial Red (#E63946). oklch(61.8% 0.203 29.4), rgb(230, 66, 51).
Aa
Black text reads best on this color (5.19:1).
About this color
#E64233 is a medium-dark, vivid red. In OKLCH its lightness is 62%, its chroma 0.203 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.027 away. Black text reads best on it, at 5.19:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #E64233 |
| RGB | rgb(230, 66, 51) |
| HSL | hsl(5, 78%, 55%) |
| OKLCH | oklch(61.8% 0.203 29.4) |
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 #E64233 | 4.04:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #E64233 | 5.19:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #E64233 text on white | 4.04:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #E64233 text on black | 5.19:1 | AA | Lc -35.3 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC4
oklch(88.5% 0.056 29.2)
-
Step 300
300
#FAA89B
oklch(80.8% 0.099 29.3)
-
Step 400
400
#F37564
oklch(70.7% 0.158 29.5)
-
Step 500
500 (this color)
#E64233
oklch(61.8% 0.203 29.4)
-
Step 600
600
#D6140B
oklch(55.6% 0.22 29.4)
-
Step 700
700
#B70200
oklch(49% 0.2 29.4)
-
Step 800
800
#960904
oklch(42.6% 0.17 29.4)
-
Step 900
900
#791810
oklch(37.8% 0.133 29.5)
-
Step 950
950
#47110B
oklch(27% 0.084 29.8)
#E64233 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) | #736730 | 0.215 |
| Deuteranopia (no green cones) | #9B8B2C | 0.197 |
| Tritanopia (no blue cones) | #FD0040 | 0.061 |
| Achromatopsia (no color) | #7E7E7E | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E64233
#E64233
oklch(61.8% 0.203 29.4)
- #0096A8
#0096A8
oklch(61.7% 0.107 209.6)
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 #E64233, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.027
- Tomato Red #EC2D01 ΔE 0.029
- Vermillion #F4320C ΔE 0.031
- Pale Red #D9544D ΔE 0.036
- Red Pantone #EF233C ΔE 0.039
- Deep Orange #DC4D01 ΔE 0.040
- Orangey Red #FA4224 ΔE 0.040
- Faded Red #D3494E ΔE 0.043
Use #E64233 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.