#5C51C9
Closest named color: Iris (#6258C4). oklch(51.4% 0.18 282.2), rgb(92, 81, 201).
Aa
White text reads best on this color (6.04:1).
About this color
#5C51C9 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.180 and its hue 282°. 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 6.04:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #5C51C9 |
| RGB | rgb(92, 81, 201) |
| HSL | hsl(246, 53%, 55%) |
| OKLCH | oklch(51.4% 0.18 282.2) |
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 #5C51C9 | 6.04:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #5C51C9 | 3.47:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #5C51C9 text on white | 6.04:1 | AA | Lc 79.8 | Fine for body text |
| #5C51C9 text on black | 3.47:1 | AA large text | Lc -22.0 | 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
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D3D6F9
oklch(88.5% 0.048 281.5)
-
Step 300
300
#B7BAF8
oklch(80.8% 0.087 282.1)
-
Step 400
400
#9494F4
oklch(70.7% 0.139 282.3)
-
Step 500
500
#7C76F0
oklch(63.1% 0.178 282.2)
-
Step 600
600
#675BDF
oklch(55.6% 0.194 282.2)
-
Step 700
700 (this color)
#5C51C9
oklch(51.4% 0.18 282.2)
-
Step 800
800
#463E9C
oklch(42.8% 0.148 282)
-
Step 900
900
#3A367C
oklch(37.7% 0.115 281.9)
-
Step 950
950
#222049
oklch(27% 0.074 282.5)
#5C51C9 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) | #0067CD | 0.083 |
| Deuteranopia (no green cones) | #005EC7 | 0.078 |
| Tritanopia (no blue cones) | #2A6D85 | 0.152 |
| Achromatopsia (no color) | #636363 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C51C9
#5C51C9
oklch(51.4% 0.18 282.2)
- #746900
#746900
oklch(51.5% 0.108 102.2)
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 #5C51C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.022
- Slate Blue #6A5ACD ΔE 0.033
- Bluey Purple #6241C7 ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.037
- Warm Blue #4B57DB ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.039
- Blue With A Hint Of Purple #533CC6 ΔE 0.049
- Blurple #5539CC ΔE 0.052
Use #5C51C9 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.