#E63C3A
Closest named color: Imperial Red (#E63946). oklch(61.3% 0.207 26.3), rgb(230, 60, 58).
Aa
Black text reads best on this color (5.07:1).
About this color
#E63C3A is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.207 and its hue 26°. 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 5.07:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.07:1 |
| White text | 4.14:1 |
Values
| HEX | #E63C3A |
| RGB | rgb(230, 60, 58) |
| HSL | hsl(1, 77%, 56%) |
| OKLCH | oklch(61.3% 0.207 26.3) |
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 #E63C3A | 4.14:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #E63C3A | 5.07:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #E63C3A text on white | 4.14:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #E63C3A text on black | 5.07:1 | AA | Lc -34.6 | 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
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC6
oklch(88.5% 0.055 26.5)
-
Step 300
300
#FBA79E
oklch(80.8% 0.101 26.2)
-
Step 400
400
#F57369
oklch(70.8% 0.162 26.4)
-
Step 500
500 (this color)
#E63C3A
oklch(61.3% 0.207 26.3)
-
Step 600
600
#D8031D
oklch(55.6% 0.225 26.2)
-
Step 700
700
#B70016
oklch(49.1% 0.2 26.3)
-
Step 800
800
#970110
oklch(42.6% 0.173 26.4)
-
Step 900
900
#7A1516
oklch(37.8% 0.135 26.2)
-
Step 950
950
#48100E
oklch(27.1% 0.085 26.6)
#E63C3A 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) | #6F6538 | 0.223 |
| Deuteranopia (no green cones) | #998A33 | 0.204 |
| Tritanopia (no blue cones) | #FD003E | 0.052 |
| Achromatopsia (no color) | #7D7D7D | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E63C3A
#E63C3A
oklch(61.3% 0.207 26.3)
- #0095A3
#0095A3
oklch(61.2% 0.105 206.5)
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 #E63C3A, 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 0.028
- Tomato Red #EC2D01 ΔE 0.031
- Vermillion #F4320C ΔE 0.036
- Pale Red #D9544D ΔE 0.039
- Faded Red #D3494E ΔE 0.039
- Cherry Red #F7022A ΔE 0.042
- Strawberry #FB2943 ΔE 0.043
Use #E63C3A 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.