#6A51BF
Closest named color: Iris (#6258C4). oklch(51.8% 0.165 289.9), rgb(106, 81, 191).
Aa
White text reads best on this color (5.92:1).
About this color
#6A51BF is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.165 and its hue 290°. 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 5.92:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #6A51BF |
| RGB | rgb(106, 81, 191) |
| HSL | hsl(254, 46%, 53%) |
| OKLCH | oklch(51.8% 0.165 289.9) |
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 #6A51BF | 5.92:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #6A51BF | 3.54:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #6A51BF text on white | 5.92:1 | AA | Lc 79.3 | Fine for body text |
| #6A51BF text on black | 3.54:1 | AA large text | Lc -22.5 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D8D5F5
oklch(88.5% 0.044 289.8)
-
Step 300
300
#BFB8F1
oklch(80.8% 0.08 290.1)
-
Step 400
400
#A092EB
oklch(70.8% 0.128 289.9)
-
Step 500
500
#8A74E4
oklch(63.1% 0.163 289.9)
-
Step 600
600
#755AD2
oklch(55.7% 0.177 289.8)
-
Step 700
700 (this color)
#6A51BF
oklch(51.8% 0.165 289.9)
-
Step 800
800
#503C93
oklch(42.6% 0.137 289.9)
-
Step 900
900
#423575
oklch(37.7% 0.106 289.7)
-
Step 950
950
#261F45
oklch(26.9% 0.069 289.4)
#6A51BF 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) | #0666C3 | 0.100 |
| Deuteranopia (no green cones) | #1061BD | 0.097 |
| Tritanopia (no blue cones) | #516980 | 0.135 |
| Achromatopsia (no color) | #646464 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A51BF
#6A51BF
oklch(51.8% 0.165 289.9)
- #6D6D00
#6D6D00
oklch(51.8% 0.113 109.8)
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 #6A51BF, 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 0.029
- Light Indigo #6D5ACF ΔE 0.032
- Dark Periwinkle #665FD1 ΔE 0.041
- Bluey Purple #6241C7 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Blurple #5539CC ΔE 0.068
Use #6A51BF 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.