#EA4539
Closest named color: Imperial Red (#E63946). oklch(62.8% 0.204 28.5), rgb(234, 69, 57).
Aa
Black text reads best on this color (5.40:1).
About this color
#EA4539 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.204 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.028 away. Black text reads best on it, at 5.40:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #EA4539 |
| RGB | rgb(234, 69, 57) |
| HSL | hsl(4, 81%, 57%) |
| OKLCH | oklch(62.8% 0.204 28.5) |
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 #EA4539 | 3.88:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #EA4539 | 5.40:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #EA4539 text on white | 3.88:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #EA4539 text on black | 5.40:1 | AA | Lc -36.7 | 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
#FAA89C
oklch(80.8% 0.099 28.6)
-
Step 400
400
#F47466
oklch(70.7% 0.16 28.1)
-
Step 500
500 (this color)
#EA4539
oklch(62.8% 0.204 28.5)
-
Step 600
600
#D71112
oklch(55.7% 0.222 28.5)
-
Step 700
700
#B80006
oklch(49.2% 0.201 28.5)
-
Step 800
800
#960808
oklch(42.6% 0.17 28.6)
-
Step 900
900
#791712
oklch(37.7% 0.133 28.4)
-
Step 950
950
#47110C
oklch(27% 0.083 29)
#EA4539 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) | #766A36 | 0.216 |
| Deuteranopia (no green cones) | #9E8E32 | 0.198 |
| Tritanopia (no blue cones) | #FF0044 | 0.061 |
| Achromatopsia (no color) | #818181 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EA4539
#EA4539
oklch(62.8% 0.204 28.5)
- #009AAB
#009AAB
oklch(62.8% 0.108 208.5)
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 #EA4539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.028
- Vermillion #F4320C ΔE 0.031
- Orangey Red #FA4224 ΔE 0.033
- Tomato Red #EC2D01 ΔE 0.034
- Pale Red #D9544D ΔE 0.037
- Red Pantone #EF233C ΔE 0.039
- Pastel Red #DB5856 ΔE 0.041
- Red Orange #FD3C06 ΔE 0.041
Use #EA4539 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.