#5E51BE
Closest named color: Iris (#6258C4). oklch(50.7% 0.165 284.3), rgb(94, 81, 190).
Aa
White text reads best on this color (6.18:1).
About this color
#5E51BE is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.165 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.020 away. White text reads best on it, at 6.18:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.39:1 |
| White text | 6.18:1 |
Values
| HEX | #5E51BE |
| RGB | rgb(94, 81, 190) |
| HSL | hsl(247, 46%, 53%) |
| OKLCH | oklch(50.7% 0.165 284.3) |
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 #5E51BE | 6.18:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #5E51BE | 3.39:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #5E51BE text on white | 6.18:1 | AA | Lc 80.5 | Fine for body text |
| #5E51BE text on black | 3.39:1 | AA large text | Lc -21.3 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF3
oklch(80.9% 0.08 284.5)
-
Step 400
400
#9895ED
oklch(70.8% 0.127 284.2)
-
Step 500
500
#8077E7
oklch(63% 0.164 284.3)
-
Step 600
600
#6B5DD5
oklch(55.5% 0.178 284.3)
-
Step 700
700 (this color)
#5E51BE
oklch(50.7% 0.165 284.3)
-
Step 800
800
#493F95
oklch(42.6% 0.136 284.3)
-
Step 900
900
#3D3777
oklch(37.8% 0.106 284.4)
-
Step 950
950
#232146
oklch(27.1% 0.067 283.4)
#5E51BE 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) | #0064C2 | 0.084 |
| Deuteranopia (no green cones) | #005EBC | 0.083 |
| Tritanopia (no blue cones) | #3A6A7F | 0.140 |
| Achromatopsia (no color) | #616161 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E51BE
#5E51BE
oklch(50.7% 0.165 284.3)
- #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 #5E51BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.020
- Slate Blue #6A5ACD ΔE 0.037
- Bluey Purple #6241C7 ΔE 0.037
- Light Indigo #6D5ACF ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.046
- Warm Blue #4B57DB ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.053
- Blurple #5539CC ΔE 0.058
Use #5E51BE 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.