#E13A33
Closest named color: Imperial Red (#E63946). oklch(60.2% 0.205 27.7), rgb(225, 58, 51).
Aa
Black text reads best on this color (4.85:1).
About this color
#E13A33 is a medium-dark, vivid red. In OKLCH its lightness is 60%, 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 4.85:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #E13A33 |
| RGB | rgb(225, 58, 51) |
| HSL | hsl(2, 74%, 54%) |
| OKLCH | oklch(60.2% 0.205 27.7) |
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 #E13A33 | 4.32:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #E13A33 | 4.85:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #E13A33 text on white | 4.32:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #E13A33 text on black | 4.85:1 | AA | Lc -33.2 | 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
#FBA89D
oklch(81% 0.1 27.8)
-
Step 400
400
#F47467
oklch(70.7% 0.16 27.7)
-
Step 500
500 (this color)
#E13A33
oklch(60.2% 0.205 27.7)
-
Step 600
600
#D70D16
oklch(55.6% 0.223 27.7)
-
Step 700
700
#B7000D
oklch(49% 0.2 27.7)
-
Step 800
800
#97050C
oklch(42.7% 0.172 27.6)
-
Step 900
900
#791714
oklch(37.8% 0.133 27.6)
-
Step 950
950
#47100D
oklch(26.9% 0.084 27.4)
#E13A33 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) | #6D6230 | 0.220 |
| Deuteranopia (no green cones) | #96872C | 0.201 |
| Tritanopia (no blue cones) | #F8003A | 0.053 |
| Achromatopsia (no color) | #797979 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E13A33
#E13A33
oklch(60.2% 0.205 27.7)
- #0092A1
#0092A1
oklch(60.3% 0.104 207.5)
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 #E13A33, 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 0.030
- Red Pantone #EF233C ΔE 0.034
- Faded Red #D3494E ΔE 0.036
- Vermillion #F4320C ΔE 0.040
- Pale Red #D9544D ΔE 0.041
- Crimson #DC143C ΔE 0.045
- Dark Coral #CF524E ΔE 0.046
Use #E13A33 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.