#E52A34
Closest named color: Red Pantone (#EF233C). oklch(59.7% 0.219 24.9), rgb(229, 42, 52).
Aa
Black text reads best on this color (4.71:1).
About this color
#E52A34 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.219 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Red Pantone (#EF233C), ΔE 0.021 away. Black text reads best on it, at 4.71:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.219) |
| Temperature | warm |
| Nearest name | Red Pantone (#EF233C) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #E52A34 |
| RGB | rgb(229, 42, 52) |
| HSL | hsl(357, 78%, 53%) |
| OKLCH | oklch(59.7% 0.219 24.9) |
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 #E52A34 | 4.45:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #E52A34 | 4.71:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #E52A34 text on white | 4.45:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #E52A34 text on black | 4.71:1 | AA | Lc -32.6 | 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
#FEE2E0
oklch(93.5% 0.031 22.6)
-
Step 200
200
#FECBC5
oklch(88.5% 0.059 26.1)
-
Step 300
300
#FFA59E
oklch(80.9% 0.108 24.6)
-
Step 400
400
#F96E68
oklch(70.6% 0.172 24.9)
-
Step 500
500 (this color)
#E52A34
oklch(59.7% 0.219 24.9)
-
Step 600
600
#D80023
oklch(55.6% 0.225 25)
-
Step 700
700
#B7001C
oklch(49.1% 0.199 25)
-
Step 800
800
#970016
oklch(42.6% 0.173 24.8)
-
Step 900
900
#7C0D15
oklch(37.6% 0.143 25)
-
Step 950
950
#490D0E
oklch(27% 0.09 24.8)
#E52A34 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) | #675E32 | 0.241 |
| Deuteranopia (no green cones) | #95862C | 0.219 |
| Tritanopia (no blue cones) | #FC0031 | 0.044 |
| Achromatopsia (no color) | #777777 | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E52A34
#E52A34
oklch(59.7% 0.219 24.9)
- #00909C
#00909C
oklch(59.6% 0.102 205.2)
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 #E52A34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Pantone #EF233C ΔE 0.021
- Imperial Red #E63946 ΔE 0.021
- Crimson #DC143C ΔE 0.032
- Tomato Red #EC2D01 ΔE 0.032
- Cherry Red #F7022A ΔE 0.035
- Vermillion #F4320C ΔE 0.042
- Strawberry #FB2943 ΔE 0.046
- Faded Red #D3494E ΔE 0.047
Use #E52A34 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.