#E01D18
Closest named color: Tomato Red (#EC2D01). oklch(57.9% 0.224 28.7), rgb(224, 29, 24).
Aa
White text reads best on this color (4.81:1).
About this color
#E01D18 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.224 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.033 away. White text reads best on it, at 4.81:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.224) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.35:1 |
| White text | 4.81:1 |
Values
| HEX | #E01D18 |
| RGB | rgb(224, 29, 24) |
| HSL | hsl(2, 81%, 49%) |
| OKLCH | oklch(57.9% 0.224 28.7) |
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 #E01D18 | 4.81:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #E01D18 | 4.35:1 | AA large text | Lc 32.9 | Non-text elements, placeholder text |
| #E01D18 text on white | 4.81:1 | AA | Lc 71.2 | Content text, not long reading |
| #E01D18 text on black | 4.35:1 | AA large text | Lc -30.5 | 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 600.
-
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
#FBA89B
oklch(80.9% 0.101 29.2)
-
Step 400
400
#F57464
oklch(70.8% 0.162 29)
-
Step 500
500
#EC4438
oklch(63% 0.207 28.5)
-
Step 600
600 (this color)
#E01D18
oklch(57.9% 0.224 28.7)
-
Step 700
700
#B80004
oklch(49.2% 0.201 28.8)
-
Step 800
800
#970405
oklch(42.7% 0.172 28.7)
-
Step 900
900
#791610
oklch(37.6% 0.134 28.9)
-
Step 950
950
#48100B
oklch(27.1% 0.086 29)
#E01D18 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) | #635712 | 0.245 |
| Deuteranopia (no green cones) | #918002 | 0.219 |
| Tritanopia (no blue cones) | #F70020 | 0.045 |
| Achromatopsia (no color) | #727272 | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E01D18
#E01D18
oklch(57.9% 0.224 28.7)
- #008A99
#008A99
oklch(57.9% 0.1 208.2)
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 #E01D18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.033
- Crimson #DC143C ΔE 0.035
- Red Pantone #EF233C ΔE 0.042
- Imperial Red #E63946 ΔE 0.045
- Cherry Red #F7022A ΔE 0.047
- Cherry #CF0234 ΔE 0.050
- Vermillion #F4320C ΔE 0.050
- Fire Engine Red #FE0002 ΔE 0.058
Use #E01D18 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.