#E51A53
Closest named color: Pink Red (#F5054F). oklch(59.4% 0.227 14.2), rgb(229, 26, 83).
Aa
Black text reads best on this color (4.60:1).
About this color
#E51A53 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.227 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Pink Red (#F5054F), ΔE 0.031 away. Black text reads best on it, at 4.60:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.227) |
| Temperature | warm |
| Nearest name | Pink Red (#F5054F) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #E51A53 |
| RGB | rgb(229, 26, 83) |
| HSL | hsl(343, 80%, 50%) |
| OKLCH | oklch(59.4% 0.227 14.2) |
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 #E51A53 | 4.56:1 | AA | Lc -75.0 | Content text, not long reading |
| Black text on #E51A53 | 4.60:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #E51A53 text on white | 4.56:1 | AA | Lc 69.5 | Content text, not long reading |
| #E51A53 text on black | 4.60:1 | AA | Lc -32.2 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FFE2E3
oklch(93.7% 0.032 15.4)
-
Step 200
200
#FFC9CD
oklch(88.4% 0.062 13.4)
-
Step 300
300
#FFA3AB
oklch(80.9% 0.11 14.1)
-
Step 400
400
#FB697E
oklch(70.7% 0.179 14.1)
-
Step 500
500 (this color)
#E51A53
oklch(59.4% 0.227 14.2)
-
Step 600
600
#D50049
oklch(55.5% 0.222 14.3)
-
Step 700
700
#B5003D
oklch(49.2% 0.197 14.2)
-
Step 800
800
#950031
oklch(42.6% 0.17 14.1)
-
Step 900
900
#7D0428
oklch(37.7% 0.148 14.4)
-
Step 950
950
#4A0A18
oklch(27.1% 0.094 14.3)
#E51A53 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) | #5E5C53 | 0.256 |
| Deuteranopia (no green cones) | #90844D | 0.231 |
| Tritanopia (no blue cones) | #FB0036 | 0.053 |
| Achromatopsia (no color) | #767676 | 0.229 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E51A53
#E51A53
oklch(59.4% 0.227 14.2)
- #009190
#009190
oklch(59.4% 0.102 193.9)
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 #E51A53, closest first.
No curated palette has a color within ΔE 0.04 of #E51A53.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pink Red #F5054F ΔE 0.031
- Cerise #DE0C62 ΔE 0.031
- Crimson #DC143C ΔE 0.033
- Lipstick #D5174E ΔE 0.034
- Red Pantone #EF233C ΔE 0.038
- Imperial Red #E63946 ΔE 0.040
- Dark Hot Pink #D90166 ΔE 0.045
- Red Pink #FA2A55 ΔE 0.048
Use #E51A53 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.