#6D55BE
Closest named color: Iris (#6258C4). oklch(52.7% 0.158 290.5), rgb(109, 85, 190).
Aa
White text reads best on this color (5.68:1).
About this color
#6D55BE is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.158 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.020 away. White text reads best on it, at 5.68:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #6D55BE |
| RGB | rgb(109, 85, 190) |
| HSL | hsl(254, 45%, 54%) |
| OKLCH | oklch(52.7% 0.158 290.5) |
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 #6D55BE | 5.68:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #6D55BE | 3.69:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #6D55BE text on white | 5.68:1 | AA | Lc 78.2 | Fine for body text |
| #6D55BE text on black | 3.69:1 | AA large text | Lc -23.6 | 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 600.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F2
oklch(88.4% 0.04 290.3)
-
Step 300
300
#C0B9EC
oklch(80.9% 0.072 291)
-
Step 400
400
#A094E2
oklch(70.7% 0.113 290.3)
-
Step 500
500
#8A77DA
oklch(63.1% 0.146 290.4)
-
Step 600
600 (this color)
#6D55BE
oklch(52.7% 0.158 290.5)
-
Step 700
700
#634DAD
oklch(49.2% 0.147 290.5)
-
Step 800
800
#503F8C
oklch(42.6% 0.123 290.4)
-
Step 900
900
#423770
oklch(37.8% 0.095 290)
-
Step 950
950
#272041
oklch(26.9% 0.06 291.6)
#6D55BE 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) | #1F69C2 | 0.094 |
| Deuteranopia (no green cones) | #2364BC | 0.090 |
| Tritanopia (no blue cones) | #566C81 | 0.131 |
| Achromatopsia (no color) | #676767 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D55BE
#6D55BE
oklch(52.7% 0.158 290.5)
- #6F7000
#6F7000
oklch(52.7% 0.115 110.4)
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 #6D55BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.020
- Slate Blue #6A5ACD ΔE 0.025
- Light Indigo #6D5ACF ΔE 0.028
- Dark Periwinkle #665FD1 ΔE 0.037
- Bluey Purple #6241C7 ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.063
- Warm Blue #4B57DB ΔE 0.067
- Purpley #8756E4 ΔE 0.072
Use #6D55BE 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.