#E55148
Closest named color: Pale Red (#D9544D). oklch(63.5% 0.185 27.1), rgb(229, 81, 72).
Aa
Black text reads best on this color (5.60:1).
About this color
#E55148 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.185 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Pale Red (#D9544D), ΔE 0.022 away. Black text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #E55148 |
| RGB | rgb(229, 81, 72) |
| HSL | hsl(3, 75%, 59%) |
| OKLCH | oklch(63.5% 0.185 27.1) |
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 #E55148 | 3.74:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #E55148 | 5.60:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #E55148 text on white | 3.74:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #E55148 text on black | 5.60:1 | AA | Lc -37.6 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC7
oklch(88.5% 0.051 27.2)
-
Step 300
300
#F6AAA1
oklch(80.9% 0.091 26.8)
-
Step 400
400
#ED796E
oklch(70.6% 0.145 26.9)
-
Step 500
500 (this color)
#E55148
oklch(63.5% 0.185 27.1)
-
Step 600
600
#CF2928
oklch(55.6% 0.201 27.1)
-
Step 700
700
#B3181B
oklch(49.2% 0.187 27.1)
-
Step 800
800
#911919
oklch(42.7% 0.155 26.9)
-
Step 900
900
#751E1A
oklch(37.7% 0.122 27.3)
-
Step 950
950
#451410
oklch(27.1% 0.076 27.9)
#E55148 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) | #797046 | 0.197 |
| Deuteranopia (no green cones) | #9E9044 | 0.181 |
| Tritanopia (no blue cones) | #FB2C50 | 0.059 |
| Achromatopsia (no color) | #848484 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E55148
#E55148
oklch(63.5% 0.185 27.1)
- #009CAC
#009CAC
oklch(63.3% 0.109 207.6)
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 #E55148, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Red #D9544D ΔE 0.022
- Pastel Red #DB5856 ΔE 0.023
- Imperial Red #E63946 ΔE 0.036
- Dark Coral #CF524E ΔE 0.042
- Faded Red #D3494E ΔE 0.042
- Orangey Red #FA4224 ΔE 0.045
- Indian Red #CD5C5C ΔE 0.047
- Light Red #FF474C ΔE 0.049
Use #E55148 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.