#6855B2
Closest named color: Iris (#6258C4). oklch(51.5% 0.142 289.9), rgb(104, 85, 178).
Aa
White text reads best on this color (5.94:1).
About this color
#6855B2 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.142 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.030 away. White text reads best on it, at 5.94:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #6855B2 |
| RGB | rgb(104, 85, 178) |
| HSL | hsl(252, 38%, 52%) |
| OKLCH | oklch(51.5% 0.142 289.9) |
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 #6855B2 | 5.94:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #6855B2 | 3.53:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #6855B2 text on white | 5.94:1 | AA | Lc 79.5 | Fine for body text |
| #6855B2 text on black | 3.53:1 | AA large text | Lc -22.3 | 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
#9F94E1
oklch(70.6% 0.111 289.8)
-
Step 500
500
#8978D8
oklch(63% 0.141 289.9)
-
Step 600
600
#745FC5
oklch(55.6% 0.153 290)
-
Step 700
700 (this color)
#6855B2
oklch(51.5% 0.142 289.9)
-
Step 800
800
#4F408A
oklch(42.6% 0.118 289.7)
-
Step 900
900
#42376E
oklch(37.7% 0.092 290.5)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#6855B2 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) | #2C65B5 | 0.079 |
| Deuteranopia (no green cones) | #2E62B0 | 0.076 |
| Tritanopia (no blue cones) | #53687B | 0.117 |
| Achromatopsia (no color) | #646464 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6855B2
#6855B2
oklch(51.5% 0.142 289.9)
- #6C6C00
#6C6C00
oklch(51.4% 0.112 109.8)
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 #6855B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.030
- Slate Blue #6A5ACD ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.069
- French Blue #436BAD ΔE 0.073
- Dusky Blue #475F94 ΔE 0.075
Use #6855B2 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.