#E63F35
Closest named color: Imperial Red (#E63946). oklch(61.5% 0.205 28.2), rgb(230, 63, 53).
Aa
Black text reads best on this color (5.12:1).
About this color
#E63F35 is a medium-dark, vivid red. In OKLCH its lightness is 62%, its chroma 0.205 and its hue 28°. 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 5.12:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #E63F35 |
| RGB | rgb(230, 63, 53) |
| HSL | hsl(3, 78%, 55%) |
| OKLCH | oklch(61.5% 0.205 28.2) |
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 #E63F35 | 4.09:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #E63F35 | 5.12:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #E63F35 text on white | 4.09:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #E63F35 text on black | 5.12:1 | AA | Lc -34.9 | 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
#FCCCC5
oklch(88.5% 0.056 27.9)
-
Step 300
300
#FBA89C
oklch(81% 0.1 28.5)
-
Step 400
400
#F47466
oklch(70.7% 0.16 28.1)
-
Step 500
500 (this color)
#E63F35
oklch(61.5% 0.205 28.2)
-
Step 600
600
#D70D12
oklch(55.6% 0.223 28.2)
-
Step 700
700
#B80009
oklch(49.2% 0.201 28.2)
-
Step 800
800
#970509
oklch(42.7% 0.172 28.1)
-
Step 900
900
#791612
oklch(37.6% 0.134 28.1)
-
Step 950
950
#47100C
oklch(26.9% 0.084 28.3)
#E63F35 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) | #716632 | 0.220 |
| Deuteranopia (no green cones) | #9A8B2E | 0.202 |
| Tritanopia (no blue cones) | #FD003E | 0.057 |
| Achromatopsia (no color) | #7D7D7D | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E63F35
#E63F35
oklch(61.5% 0.205 28.2)
- #0096A6
#0096A6
oklch(61.6% 0.106 208)
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 #E63F35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.022
- Tomato Red #EC2D01 ΔE 0.028
- Vermillion #F4320C ΔE 0.032
- Red Pantone #EF233C ΔE 0.034
- Pale Red #D9544D ΔE 0.037
- Faded Red #D3494E ΔE 0.042
- Orangey Red #FA4224 ΔE 0.042
- Deep Orange #DC4D01 ΔE 0.044
Use #E63F35 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.