#5E55B4
Closest named color: Iris (#6258C4). oklch(50.7% 0.145 284.2), rgb(94, 85, 180).
Aa
White text reads best on this color (6.11:1).
About this color
#5E55B4 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.145 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.026 away. White text reads best on it, at 6.11:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #5E55B4 |
| RGB | rgb(94, 85, 180) |
| HSL | hsl(246, 39%, 52%) |
| OKLCH | oklch(50.7% 0.145 284.2) |
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 #5E55B4 | 6.11:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #5E55B4 | 3.43:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #5E55B4 text on white | 6.11:1 | AA | Lc 80.3 | Fine for body text |
| #5E55B4 text on black | 3.43:1 | AA large text | Lc -21.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D5D6F3
oklch(88.4% 0.04 284)
-
Step 300
300
#BBBBED
oklch(80.9% 0.07 284.7)
-
Step 400
400
#9896E4
oklch(70.6% 0.113 284.3)
-
Step 500
500
#817BDC
oklch(63.2% 0.143 284.3)
-
Step 600
600
#6B62CA
oklch(55.7% 0.156 284)
-
Step 700
700 (this color)
#5E55B4
oklch(50.7% 0.145 284.2)
-
Step 800
800
#49428D
oklch(42.6% 0.12 284.3)
-
Step 900
900
#3D3971
oklch(37.8% 0.093 284.2)
-
Step 950
950
#232242
oklch(27.1% 0.058 283.2)
#5E55B4 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) | #2665B7 | 0.069 |
| Deuteranopia (no green cones) | #215FB2 | 0.070 |
| Tritanopia (no blue cones) | #406A7C | 0.125 |
| Achromatopsia (no color) | #626262 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E55B4
#5E55B4
oklch(50.7% 0.145 284.2)
- #706800
#706800
oklch(50.9% 0.108 104.3)
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 #5E55B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.026
- Slate Blue #6A5ACD ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.055
- Warm Blue #4B57DB ΔE 0.066
- French Blue #436BAD ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
Use #5E55B4 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.