#E52F45
Closest named color: Imperial Red (#E63946). oklch(60.3% 0.215 20.9), rgb(229, 47, 69).
Aa
Black text reads best on this color (4.82:1).
About this color
#E52F45 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.215 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.013 away. Black text reads best on it, at 4.82:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #E52F45 |
| RGB | rgb(229, 47, 69) |
| HSL | hsl(353, 78%, 54%) |
| OKLCH | oklch(60.3% 0.215 20.9) |
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 #E52F45 | 4.35:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #E52F45 | 4.82:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #E52F45 text on white | 4.35:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #E52F45 text on black | 4.82:1 | AA | Lc -33.2 | 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
#FECBC9
oklch(88.6% 0.058 20.9)
-
Step 300
300
#FDA5A3
oklch(80.8% 0.105 21.1)
-
Step 400
400
#F76F72
oklch(70.7% 0.167 21)
-
Step 500
500 (this color)
#E52F45
oklch(60.3% 0.215 20.9)
-
Step 600
600
#D70034
oklch(55.6% 0.223 21)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800
#970022
oklch(42.8% 0.172 20.8)
-
Step 900
900
#7B0F1E
oklch(37.7% 0.14 21.1)
-
Step 950
950
#490D12
oklch(27.1% 0.089 21.3)
#E52F45 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) | #686044 | 0.236 |
| Deuteranopia (no green cones) | #95873F | 0.216 |
| Tritanopia (no blue cones) | #FC0039 | 0.044 |
| Achromatopsia (no color) | #797979 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E52F45
#E52F45
oklch(60.3% 0.215 20.9)
- #00939A
#00939A
oklch(60.3% 0.103 200.7)
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 #E52F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.013
- Red Pantone #EF233C ΔE 0.020
- Crimson #DC143C ΔE 0.032
- Pink Red #F5054F ΔE 0.038
- Cherry Red #F7022A ΔE 0.040
- Faded Red #D3494E ΔE 0.042
- Strawberry #FB2943 ΔE 0.042
- Pinky Red #FC2647 ΔE 0.044
Use #E52F45 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.