#6451AE
Closest named color: Iris (#6258C4). oklch(50.1% 0.143 289.6), rgb(100, 81, 174).
Aa
White text reads best on this color (6.30:1).
About this color
#6451AE is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.143 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.037 away. White text reads best on it, at 6.30:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.33:1 |
| White text | 6.30:1 |
Values
| HEX | #6451AE |
| RGB | rgb(100, 81, 174) |
| HSL | hsl(252, 36%, 50%) |
| OKLCH | oklch(50.1% 0.143 289.6) |
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 #6451AE | 6.30:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #6451AE | 3.33:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #6451AE text on white | 6.30:1 | AA | Lc 81.2 | Fine for body text |
| #6451AE text on black | 3.33:1 | AA large text | Lc -20.7 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F1
oklch(88.4% 0.038 290.5)
-
Step 300
300
#BFBAEB
oklch(81% 0.069 289.4)
-
Step 400
400
#9F95E1
oklch(70.8% 0.11 289.3)
-
Step 500
500
#8978D8
oklch(63% 0.141 289.9)
-
Step 600
600
#745FC6
oklch(55.6% 0.154 289.8)
-
Step 700
700 (this color)
#6451AE
oklch(50.1% 0.143 289.6)
-
Step 800
800
#4F408A
oklch(42.6% 0.118 289.7)
-
Step 900
900
#41376F
oklch(37.6% 0.093 289.3)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#6451AE 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) | #2662B1 | 0.080 |
| Deuteranopia (no green cones) | #285EAC | 0.077 |
| Tritanopia (no blue cones) | #4F6577 | 0.119 |
| Achromatopsia (no color) | #606060 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6451AE
#6451AE
oklch(50.1% 0.143 289.6)
- #686800
#686800
oklch(50.1% 0.109 109.8)
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 #6451AE, closest first.
No curated palette has a color within ΔE 0.04 of #6451AE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.037
- Slate Blue #6A5ACD ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.061
- Twilight #4E518B ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Dusky Blue #475F94 ΔE 0.072
Use #6451AE 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.