#6D5BB9
Closest named color: Iris (#6258C4). oklch(53.4% 0.143 289.5), rgb(109, 91, 185).
Aa
White text reads best on this color (5.45:1).
About this color
#6D5BB9 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.143 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.027 away. White text reads best on it, at 5.45:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #6D5BB9 |
| RGB | rgb(109, 91, 185) |
| HSL | hsl(251, 40%, 54%) |
| OKLCH | oklch(53.4% 0.143 289.5) |
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 #6D5BB9 | 5.45:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #6D5BB9 | 3.84:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #6D5BB9 text on white | 5.45:1 | AA | Lc 77.0 | Fine for body text |
| #6D5BB9 text on black | 3.84:1 | AA large text | Lc -24.7 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE8
oklch(80.8% 0.065 289.9)
-
Step 400
400
#9F96DD
oklch(70.8% 0.103 289.3)
-
Step 500
500
#887AD3
oklch(63% 0.131 289.3)
-
Step 600
600 (this color)
#6D5BB9
oklch(53.4% 0.143 289.5)
-
Step 700
700
#6150A6
oklch(49.1% 0.133 289.7)
-
Step 800
800
#4F4286
oklch(42.7% 0.109 289.7)
-
Step 900
900
#41386C
oklch(37.6% 0.087 289.5)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#6D5BB9 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) | #346BBC | 0.076 |
| Deuteranopia (no green cones) | #3567B7 | 0.074 |
| Tritanopia (no blue cones) | #586E81 | 0.118 |
| Achromatopsia (no color) | #696969 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D5BB9
#6D5BB9
oklch(53.4% 0.143 289.5)
- #727200
#727200
oklch(53.4% 0.116 109.8)
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 #6D5BB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.032
- Light Indigo #6D5ACF ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.038
- Deep Lavender #8D5EB7 ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.069
- French Blue #436BAD ΔE 0.071
- Warm Blue #4B57DB ΔE 0.074
Use #6D5BB9 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.