#5E51BC
Closest named color: Iris (#6258C4). oklch(50.6% 0.162 284.5), rgb(94, 81, 188).
Aa
White text reads best on this color (6.21:1).
About this color
#5E51BC is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.162 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.022 away. White text reads best on it, at 6.21:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #5E51BC |
| RGB | rgb(94, 81, 188) |
| HSL | hsl(247, 44%, 53%) |
| OKLCH | oklch(50.6% 0.162 284.5) |
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 #5E51BC | 6.21:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #5E51BC | 3.37:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #5E51BC text on white | 6.21:1 | AA | Lc 80.7 | Fine for body text |
| #5E51BC text on black | 3.37:1 | AA large text | Lc -21.2 | 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
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF2
oklch(80.8% 0.079 284.5)
-
Step 400
400
#9895EC
oklch(70.8% 0.126 284.3)
-
Step 500
500
#8178E5
oklch(63.1% 0.159 284.6)
-
Step 600
600
#6C5ED3
oklch(55.6% 0.174 284.7)
-
Step 700
700 (this color)
#5E51BC
oklch(50.6% 0.162 284.5)
-
Step 800
800
#493F94
oklch(42.6% 0.135 284.5)
-
Step 900
900
#3D3776
oklch(37.7% 0.104 284.6)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#5E51BC 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) | #0264C0 | 0.084 |
| Deuteranopia (no green cones) | #005DBA | 0.083 |
| Tritanopia (no blue cones) | #3B697E | 0.137 |
| Achromatopsia (no color) | #616161 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E51BC
#5E51BC
oklch(50.6% 0.162 284.5)
- #6F6700
#6F6700
oklch(50.5% 0.107 104.2)
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 #5E51BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.022
- Bluey Purple #6241C7 ΔE 0.039
- Slate Blue #6A5ACD ΔE 0.039
- Light Indigo #6D5ACF ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.048
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Warm Blue #4B57DB ΔE 0.055
- Blurple #5539CC ΔE 0.060
Use #5E51BC 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.