#6351A6
Closest named color: Iris (#6258C4). oklch(49.5% 0.132 290.5), rgb(99, 81, 166).
Aa
White text reads best on this color (6.44:1).
About this color
#6351A6 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.132 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.048 away. White text reads best on it, at 6.44:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.25:1 |
| White text | 6.44:1 |
Values
| HEX | #6351A6 |
| RGB | rgb(99, 81, 166) |
| HSL | hsl(253, 34%, 48%) |
| OKLCH | oklch(49.5% 0.132 290.5) |
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 #6351A6 | 6.44:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #6351A6 | 3.25:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #6351A6 text on white | 6.44:1 | AA | Lc 81.8 | Fine for body text |
| #6351A6 text on black | 3.25:1 | AA large text | Lc -20.1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6EF
oklch(88.5% 0.034 289.4)
-
Step 300
300
#C0BAE7
oklch(80.9% 0.063 291)
-
Step 400
400
#A095DC
oklch(70.6% 0.103 290.6)
-
Step 500
500
#8A7AD2
oklch(63.2% 0.13 290.5)
-
Step 600
600
#7461BF
oklch(55.5% 0.142 290.3)
-
Step 700
700 (this color)
#6351A6
oklch(49.5% 0.132 290.5)
-
Step 800
800
#504285
oklch(42.7% 0.108 290.7)
-
Step 900
900
#42386B
oklch(37.7% 0.085 290.7)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#6351A6 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) | #2E60A9 | 0.073 |
| Deuteranopia (no green cones) | #305DA4 | 0.070 |
| Tritanopia (no blue cones) | #516274 | 0.107 |
| Achromatopsia (no color) | #5E5E5E | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6351A6
#6351A6
oklch(49.5% 0.132 290.5)
- #656700
#656700
oklch(49.5% 0.109 111.1)
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 #6351A6, closest first.
No curated palette has a color within ΔE 0.04 of #6351A6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.048
- Twilight #4E518B ΔE 0.056
- Dusky Blue #475F94 ΔE 0.064
- Slate Blue #6A5ACD ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.065
- Light Indigo #6D5ACF ΔE 0.068
- Blueberry #464196 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.070
Use #6351A6 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.