#6D55BF
Closest named color: Iris (#6258C4). oklch(52.8% 0.16 290.3), rgb(109, 85, 191).
Aa
White text reads best on this color (5.67:1).
About this color
#6D55BF is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.160 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.019 away. White text reads best on it, at 5.67:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #6D55BF |
| RGB | rgb(109, 85, 191) |
| HSL | hsl(254, 45%, 54%) |
| OKLCH | oklch(52.8% 0.16 290.3) |
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 #6D55BF | 5.67:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #6D55BF | 3.70:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #6D55BF text on white | 5.67:1 | AA | Lc 78.1 | Fine for body text |
| #6D55BF text on black | 3.70:1 | AA large text | Lc -23.7 | 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 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
#BFB9EC
oklch(80.8% 0.072 290.1)
-
Step 400
400
#A094E3
oklch(70.8% 0.114 290.1)
-
Step 500
500
#8A77DB
oklch(63.1% 0.147 290.3)
-
Step 600
600 (this color)
#6D55BF
oklch(52.8% 0.16 290.3)
-
Step 700
700
#624CAD
oklch(49% 0.149 290.3)
-
Step 800
800
#503F8C
oklch(42.6% 0.123 290.4)
-
Step 900
900
#423670
oklch(37.6% 0.096 290.5)
-
Step 950
950
#272042
oklch(27% 0.062 291.2)
#6D55BF 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) | #1D69C3 | 0.094 |
| Deuteranopia (no green cones) | #2164BD | 0.091 |
| Tritanopia (no blue cones) | #556C82 | 0.131 |
| Achromatopsia (no color) | #676767 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D55BF
#6D55BF
oklch(52.8% 0.16 290.3)
- #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 #6D55BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.019
- Slate Blue #6A5ACD ΔE 0.024
- Light Indigo #6D5ACF ΔE 0.026
- Dark Periwinkle #665FD1 ΔE 0.035
- Bluey Purple #6241C7 ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.063
- Warm Blue #4B57DB ΔE 0.066
- Purpley #8756E4 ΔE 0.071
Use #6D55BF 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.