#6851A8
Closest named color: Iris (#6258C4). oklch(50.1% 0.134 293.1), rgb(104, 81, 168).
Aa
White text reads best on this color (6.30:1).
About this color
#6851A8 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.134 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.046 away. White text reads best on it, at 6.30:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.33:1 |
| White text | 6.30:1 |
Values
| HEX | #6851A8 |
| RGB | rgb(104, 81, 168) |
| HSL | hsl(256, 35%, 49%) |
| OKLCH | oklch(50.1% 0.134 293.1) |
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 #6851A8 | 6.30:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #6851A8 | 3.33:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #6851A8 text on white | 6.30:1 | AA | Lc 81.2 | Fine for body text |
| #6851A8 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
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F0
oklch(88.4% 0.037 292.4)
-
Step 300
300
#C2B9E8
oklch(80.9% 0.066 293.6)
-
Step 400
400
#A394DC
oklch(70.7% 0.105 293.1)
-
Step 500
500
#8D78D2
oklch(63.1% 0.133 292.9)
-
Step 600
600
#785FBF
oklch(55.5% 0.145 293.1)
-
Step 700
700 (this color)
#6851A8
oklch(50.1% 0.134 293.1)
-
Step 800
800
#524086
oklch(42.6% 0.113 292.8)
-
Step 900
900
#44376B
oklch(37.7% 0.087 293.3)
-
Step 950
950
#28213F
oklch(27.1% 0.055 293.1)
#6851A8 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) | #2E61AB | 0.080 |
| Deuteranopia (no green cones) | #325EA6 | 0.076 |
| Tritanopia (no blue cones) | #586375 | 0.109 |
| Achromatopsia (no color) | #606060 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6851A8
#6851A8
oklch(50.1% 0.134 293.1)
- #646900
#646900
oklch(49.9% 0.111 113)
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 #6851A8, closest first.
No curated palette has a color within ΔE 0.04 of #6851A8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.063
- Twilight #4E518B ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.069
- Dusky Blue #475F94 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.071
Use #6851A8 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.