#E52A3F
Closest named color: Imperial Red (#E63946). oklch(59.9% 0.219 22), rgb(229, 42, 63).
Aa
Black text reads best on this color (4.73:1).
About this color
#E52A3F is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.219 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.017 away. Black text reads best on it, at 4.73:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.219) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #E52A3F |
| RGB | rgb(229, 42, 63) |
| HSL | hsl(353, 78%, 53%) |
| OKLCH | oklch(59.9% 0.219 22) |
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 #E52A3F | 4.43:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #E52A3F | 4.73:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #E52A3F text on white | 4.43:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #E52A3F text on black | 4.73:1 | AA | Lc -32.7 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2E1
oklch(93.5% 0.031 20.2)
-
Step 200
200
#FECAC8
oklch(88.4% 0.059 20.9)
-
Step 300
300
#FEA5A1
oklch(80.9% 0.106 22.5)
-
Step 400
400
#F96E6F
oklch(70.8% 0.171 22)
-
Step 500
500 (this color)
#E52A3F
oklch(59.9% 0.219 22)
-
Step 600
600
#D70030
oklch(55.5% 0.224 22)
-
Step 700
700
#B60027
oklch(49% 0.197 22)
-
Step 800
800
#97001F
oklch(42.7% 0.172 21.9)
-
Step 900
900
#7C0C1C
oklch(37.7% 0.143 21.7)
-
Step 950
950
#490C11
oklch(26.9% 0.09 21.7)
#E52A3F 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) | #665E3E | 0.241 |
| Deuteranopia (no green cones) | #948638 | 0.220 |
| Tritanopia (no blue cones) | #FC0034 | 0.043 |
| Achromatopsia (no color) | #787878 | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E52A3F
#E52A3F
oklch(59.9% 0.219 22)
- #00919A
#00919A
oklch(59.8% 0.102 202.5)
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 #E52A3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.017
- Red Pantone #EF233C ΔE 0.019
- Crimson #DC143C ΔE 0.029
- Cherry Red #F7022A ΔE 0.037
- Pink Red #F5054F ΔE 0.040
- Tomato Red #EC2D01 ΔE 0.043
- Strawberry #FB2943 ΔE 0.044
- Faded Red #D3494E ΔE 0.045
Use #E52A3F 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.