#E55B91
Closest named color: Medium Pink (#F36196). oklch(66.3% 0.178 358.8), rgb(229, 91, 145).
Aa
Black text reads best on this color (6.23:1).
About this color
#E55B91 is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.178 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Pink (#F36196), ΔE 0.030 away. Black text reads best on it, at 6.23:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Medium Pink (#F36196) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #E55B91 |
| RGB | rgb(229, 91, 145) |
| HSL | hsl(337, 73%, 63%) |
| OKLCH | oklch(66.3% 0.178 358.8) |
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 #E55B91 | 3.36:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #E55B91 | 6.23:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #E55B91 text on white | 3.36:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #E55B91 text on black | 6.23:1 | AA | Lc -41.3 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F5CCD8
oklch(88.4% 0.049 358.7)
-
Step 300
300
#F0A9BF
oklch(80.8% 0.088 359)
-
Step 400
400
#E5799F
oklch(70.8% 0.139 358.9)
-
Step 500
500 (this color)
#E55B91
oklch(66.3% 0.178 358.8)
-
Step 600
600
#C52D71
oklch(55.6% 0.194 358.9)
-
Step 700
700
#AA1D5F
oklch(49.2% 0.181 358.8)
-
Step 800
800
#8A1C4D
oklch(42.7% 0.15 359.1)
-
Step 900
900
#6F1F40
oklch(37.7% 0.117 359.1)
-
Step 950
950
#411426
oklch(27% 0.073 358.3)
#E55B91 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) | #737C93 | 0.198 |
| Deuteranopia (no green cones) | #98968E | 0.180 |
| Tritanopia (no blue cones) | #F64F70 | 0.053 |
| Achromatopsia (no color) | #8C8C8C | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E55B91
#E55B91
oklch(66.3% 0.178 358.8)
- #00AB94
#00AB94
oklch(66.3% 0.122 178.6)
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 #E55B91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Pink #F36196 ΔE 0.030
- Pale Violet Red #DB7093 ΔE 0.043
- Warm Pink #FB5581 ΔE 0.045
- Rosy Pink #F6688E ΔE 0.046
- Pale Magenta #D767AD ΔE 0.047
- Paradise Pink #EF476F ΔE 0.051
- Barbie Pink #FE46A5 ΔE 0.062
- Muted Pink #D1768F ΔE 0.063
Use #E55B91 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.