#E13018
Closest named color: Tomato Red (#EC2D01). oklch(59.2% 0.215 31.1), rgb(225, 48, 24).
Aa
Black text reads best on this color (4.63:1).
About this color
#E13018 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.215 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.022 away. Black text reads best on it, at 4.63:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #E13018 |
| RGB | rgb(225, 48, 24) |
| HSL | hsl(7, 81%, 49%) |
| OKLCH | oklch(59.2% 0.215 31.1) |
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 #E13018 | 4.52:1 | AA | Lc -75.2 | Fine for body text |
| Black text on #E13018 | 4.63:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #E13018 text on white | 4.52:1 | AA | Lc 69.7 | Content text, not long reading |
| #E13018 text on black | 4.63:1 | AA | Lc -32.0 | 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
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FBCDC4
oklch(88.6% 0.054 31)
-
Step 300
300
#F9A99A
oklch(80.9% 0.098 31)
-
Step 400
400
#F17762
oklch(70.7% 0.154 31.3)
-
Step 500
500
#E84B34
oklch(63% 0.197 31.3)
-
Step 600
600 (this color)
#E13018
oklch(59.2% 0.215 31.1)
-
Step 700
700
#B41700
oklch(49.2% 0.191 31.1)
-
Step 800
800
#951100
oklch(42.8% 0.166 31.1)
-
Step 900
900
#771B0E
oklch(37.7% 0.128 31.3)
-
Step 950
950
#46120A
oklch(26.9% 0.081 31.5)
#E13018 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) | #6A5D10 | 0.230 |
| Deuteranopia (no green cones) | #958404 | 0.207 |
| Tritanopia (no blue cones) | #F8002D | 0.051 |
| Achromatopsia (no color) | #767676 | 0.217 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E13018
#E13018
oklch(59.2% 0.215 31.1)
- #008EA0
#008EA0
oklch(59.3% 0.103 210.4)
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 #E13018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.022
- Vermillion #F4320C ΔE 0.039
- Imperial Red #E63946 ΔE 0.039
- Red Pantone #EF233C ΔE 0.042
- Deep Orange #DC4D01 ΔE 0.044
- Crimson #DC143C ΔE 0.047
- Cherry Red #F7022A ΔE 0.048
- Faded Red #D3494E ΔE 0.052
Use #E13018 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.