#E55147
Closest named color: Pale Red (#D9544D). oklch(63.4% 0.185 27.5), rgb(229, 81, 71).
Aa
Black text reads best on this color (5.59:1).
About this color
#E55147 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 5.59:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #E55147 |
| RGB | rgb(229, 81, 71) |
| HSL | hsl(4, 75%, 59%) |
| OKLCH | oklch(63.4% 0.185 27.5) |
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 #E55147 | 3.75:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #E55147 | 5.59:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #E55147 text on white | 3.75:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #E55147 text on black | 5.59:1 | 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
#ED796D
oklch(70.6% 0.145 27.4)
-
Step 500
500 (this color)
#E55147
oklch(63.4% 0.185 27.5)
-
Step 600
600
#CF2927
oklch(55.6% 0.202 27.3)
-
Step 700
700
#B31819
oklch(49.2% 0.188 27.5)
-
Step 800
800
#911918
oklch(42.6% 0.155 27.2)
-
Step 900
900
#751E1A
oklch(37.7% 0.122 27.3)
-
Step 950
950
#451410
oklch(27.1% 0.076 27.9)
#E55147 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) | #7A7045 | 0.196 |
| Deuteranopia (no green cones) | #9E9043 | 0.181 |
| Tritanopia (no blue cones) | #FB2B50 | 0.060 |
| Achromatopsia (no color) | #848484 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E55147
#E55147
oklch(63.4% 0.185 27.5)
- #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 #E55147, 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 0.037
- Dark Coral #CF524E ΔE 0.042
- Faded Red #D3494E ΔE 0.042
- Orangey Red #FA4224 ΔE 0.045
- Indian Red #CD5C5C ΔE 0.048
- Deep Orange #DC4D01 ΔE 0.048
Use #E55147 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.