#6D55B0
Closest named color: Iris (#6258C4). oklch(51.8% 0.139 293.1), rgb(109, 85, 176).
Aa
White text reads best on this color (5.87:1).
About this color
#6D55B0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.139 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.036 away. White text reads best on it, at 5.87:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #6D55B0 |
| RGB | rgb(109, 85, 176) |
| HSL | hsl(256, 37%, 51%) |
| OKLCH | oklch(51.8% 0.139 293.1) |
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 #6D55B0 | 5.87:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #6D55B0 | 3.57:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #6D55B0 text on white | 5.87:1 | AA | Lc 79.2 | Fine for body text |
| #6D55B0 text on black | 3.57:1 | AA large text | Lc -22.7 | 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
#C2B9E9
oklch(80.9% 0.068 293.4)
-
Step 400
400
#A394DE
oklch(70.8% 0.107 292.7)
-
Step 500
500
#8E77D5
oklch(63.1% 0.139 293.3)
-
Step 600
600
#785EC2
oklch(55.6% 0.15 292.8)
-
Step 700
700 (this color)
#6D55B0
oklch(51.8% 0.139 293.1)
-
Step 800
800
#534087
oklch(42.8% 0.114 293.3)
-
Step 900
900
#44376C
oklch(37.7% 0.089 292.9)
-
Step 950
950
#282040
oklch(27% 0.059 293.6)
#6D55B0 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) | #3066B3 | 0.084 |
| Deuteranopia (no green cones) | #3563AE | 0.079 |
| Tritanopia (no blue cones) | #5C677A | 0.113 |
| Achromatopsia (no color) | #656565 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D55B0
#6D55B0
oklch(51.8% 0.139 293.1)
- #696F00
#696F00
oklch(51.9% 0.116 113.5)
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 #6D55B0, closest first.
No curated palette has a color within ΔE 0.04 of #6D55B0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.036
- Slate Blue #6A5ACD ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.055
- Deep Lavender #8D5EB7 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.064
- French Blue #436BAD ΔE 0.077
- Dusky Blue #475F94 ΔE 0.078
Use #6D55B0 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.