#6755B1
Closest named color: Iris (#6258C4). oklch(51.3% 0.141 289.5), rgb(103, 85, 177).
Aa
White text reads best on this color (5.98:1).
About this color
#6755B1 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.141 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.031 away. White text reads best on it, at 5.98:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.51:1 |
| White text | 5.98:1 |
Values
| HEX | #6755B1 |
| RGB | rgb(103, 85, 177) |
| HSL | hsl(252, 37%, 51%) |
| OKLCH | oklch(51.3% 0.141 289.5) |
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 #6755B1 | 5.98:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #6755B1 | 3.51:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #6755B1 text on white | 5.98:1 | AA | Lc 79.7 | Fine for body text |
| #6755B1 text on black | 3.51:1 | AA large text | Lc -22.1 | 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
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D6F1
oklch(88.6% 0.037 289)
-
Step 300
300
#BFBAEA
oklch(80.9% 0.067 289.6)
-
Step 400
400
#9F95E0
oklch(70.7% 0.108 289.4)
-
Step 500
500
#8979D7
oklch(63.2% 0.138 289.7)
-
Step 600
600
#7360C5
oklch(55.6% 0.151 289.2)
-
Step 700
700 (this color)
#6755B1
oklch(51.3% 0.141 289.5)
-
Step 800
800
#4F418A
oklch(42.8% 0.117 289.3)
-
Step 900
900
#41386E
oklch(37.8% 0.09 289)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#6755B1 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) | #2D65B4 | 0.077 |
| Deuteranopia (no green cones) | #2E61AF | 0.075 |
| Tritanopia (no blue cones) | #52687B | 0.116 |
| Achromatopsia (no color) | #636363 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6755B1
#6755B1
oklch(51.3% 0.141 289.5)
- #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 #6755B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.031
- Slate Blue #6A5ACD ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.053
- Bluey Purple #6241C7 ΔE 0.060
- Deep Lavender #8D5EB7 ΔE 0.071
- French Blue #436BAD ΔE 0.072
- Dusky Blue #475F94 ΔE 0.073
Use #6755B1 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.