#5751C6
Closest named color: Iris (#6258C4). oklch(50.8% 0.176 280.4), rgb(87, 81, 198).
Aa
White text reads best on this color (6.18:1).
About this color
#5751C6 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.176 and its hue 280°. 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 6.18:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.39:1 |
| White text | 6.18:1 |
Values
| HEX | #5751C6 |
| RGB | rgb(87, 81, 198) |
| HSL | hsl(243, 51%, 55%) |
| OKLCH | oklch(50.8% 0.176 280.4) |
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 #5751C6 | 6.18:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #5751C6 | 3.39:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #5751C6 text on white | 6.18:1 | AA | Lc 80.4 | Fine for body text |
| #5751C6 text on black | 3.39:1 | AA large text | Lc -21.4 | 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
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6F9
oklch(88.4% 0.048 280.2)
-
Step 300
300
#B6BBF7
oklch(80.9% 0.085 280.6)
-
Step 400
400
#9195F4
oklch(70.7% 0.138 280.4)
-
Step 500
500
#7878EF
oklch(63.1% 0.174 280.2)
-
Step 600
600
#635DDE
oklch(55.6% 0.191 280.3)
-
Step 700
700 (this color)
#5751C6
oklch(50.8% 0.176 280.4)
-
Step 800
800
#433F9C
oklch(42.7% 0.147 280.1)
-
Step 900
900
#38377C
oklch(37.8% 0.114 280.1)
-
Step 950
950
#212148
oklch(27.1% 0.071 280.6)
#5751C6 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) | #0066CA | 0.077 |
| Deuteranopia (no green cones) | #005DC4 | 0.072 |
| Tritanopia (no blue cones) | #1D6D84 | 0.151 |
| Achromatopsia (no color) | #616161 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5751C6
#5751C6
oklch(50.8% 0.176 280.4)
- #736600
#736600
oklch(50.7% 0.106 100.6)
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 #5751C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.026
- Bluey Purple #6241C7 ΔE 0.036
- Warm Blue #4B57DB ΔE 0.037
- Slate Blue #6A5ACD ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.045
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Blurple #5539CC ΔE 0.051
Use #5751C6 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.