#5E55BB
Closest named color: Iris (#6258C4). oklch(51.2% 0.155 283.4), rgb(94, 85, 187).
Aa
White text reads best on this color (6.01:1).
About this color
#5E55BB is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.155 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.017 away. White text reads best on it, at 6.01:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.49:1 |
| White text | 6.01:1 |
Values
| HEX | #5E55BB |
| RGB | rgb(94, 85, 187) |
| HSL | hsl(245, 43%, 53%) |
| OKLCH | oklch(51.2% 0.155 283.4) |
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 #5E55BB | 6.01:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #5E55BB | 3.49:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #5E55BB text on white | 6.01:1 | AA | Lc 79.8 | Fine for body text |
| #5E55BB text on black | 3.49:1 | AA large text | Lc -22.1 | 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
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#BABBF0
oklch(81% 0.074 283.8)
-
Step 400
400
#9796E9
oklch(70.7% 0.12 283.4)
-
Step 500
500
#7F7AE2
oklch(63.2% 0.153 283.3)
-
Step 600
600
#6A60D0
oklch(55.6% 0.167 283.6)
-
Step 700
700 (this color)
#5E55BB
oklch(51.2% 0.155 283.4)
-
Step 800
800
#484192
oklch(42.7% 0.129 283.4)
-
Step 900
900
#3C3874
oklch(37.7% 0.1 283.5)
-
Step 950
950
#232144
oklch(27% 0.064 283.9)
#5E55BB 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) | #1B66BF | 0.074 |
| Deuteranopia (no green cones) | #1260B9 | 0.076 |
| Tritanopia (no blue cones) | #3C6C80 | 0.132 |
| Achromatopsia (no color) | #636363 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E55BB
#5E55BB
oklch(51.2% 0.155 283.4)
- #726900
#726900
oklch(51.3% 0.108 103.6)
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 #5E55BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.017
- Slate Blue #6A5ACD ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.048
- Warm Blue #4B57DB ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Blurple #5539CC ΔE 0.069
Use #5E55BB 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.