#E63D2D
Closest named color: Tomato Red (#EC2D01). oklch(61.3% 0.208 29.7), rgb(230, 61, 45).
Aa
Black text reads best on this color (5.06:1).
About this color
#E63D2D is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.208 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.023 away. Black text reads best on it, at 5.06:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #E63D2D |
| RGB | rgb(230, 61, 45) |
| HSL | hsl(5, 79%, 54%) |
| OKLCH | oklch(61.3% 0.208 29.7) |
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 #E63D2D | 4.14:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #E63D2D | 5.06:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #E63D2D text on white | 4.14:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #E63D2D text on black | 5.06:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCCC4
oklch(88.5% 0.056 29.2)
-
Step 300
300
#FBA89A
oklch(80.9% 0.101 30)
-
Step 400
400
#F57362
oklch(70.6% 0.163 29.4)
-
Step 500
500 (this color)
#E63D2D
oklch(61.3% 0.208 29.7)
-
Step 600
600
#D80A00
oklch(55.6% 0.225 29.7)
-
Step 700
700
#B70700
oklch(49.1% 0.199 29.7)
-
Step 800
800
#970500
oklch(42.7% 0.173 29.7)
-
Step 900
900
#7A160D
oklch(37.8% 0.136 29.9)
-
Step 950
950
#48100A
oklch(27.1% 0.086 29.8)
#E63D2D 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) | #716529 | 0.221 |
| Deuteranopia (no green cones) | #9A8A25 | 0.202 |
| Tritanopia (no blue cones) | #FD003B | 0.057 |
| Achromatopsia (no color) | #7D7D7D | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E63D2D
#E63D2D
oklch(61.3% 0.208 29.7)
- #0095A7
#0095A7
oklch(61.4% 0.106 209.7)
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 #E63D2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.023
- Imperial Red #E63946 ΔE 0.027
- Vermillion #F4320C ΔE 0.029
- Red Pantone #EF233C ΔE 0.036
- Deep Orange #DC4D01 ΔE 0.040
- Pale Red #D9544D ΔE 0.042
- Orangey Red #FA4224 ΔE 0.042
- Cherry Red #F7022A ΔE 0.045
Use #E63D2D 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.