#6F5BB9
Closest named color: Iris (#6258C4). oklch(53.6% 0.143 290.6), rgb(111, 91, 185).
Aa
White text reads best on this color (5.42:1).
About this color
#6F5BB9 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.143 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.029 away. White text reads best on it, at 5.42:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #6F5BB9 |
| RGB | rgb(111, 91, 185) |
| HSL | hsl(253, 40%, 54%) |
| OKLCH | oklch(53.6% 0.143 290.6) |
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 #6F5BB9 | 5.42:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #6F5BB9 | 3.87:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #6F5BB9 text on white | 5.42:1 | AA | Lc 76.8 | Fine for body text |
| #6F5BB9 text on black | 3.87:1 | AA large text | Lc -24.9 | 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
#C0BAE8
oklch(80.9% 0.065 290.9)
-
Step 400
400
#A095DC
oklch(70.6% 0.103 290.6)
-
Step 500
500
#8A7AD2
oklch(63.2% 0.13 290.5)
-
Step 600
600 (this color)
#6F5BB9
oklch(53.6% 0.143 290.6)
-
Step 700
700
#6250A5
oklch(49.1% 0.132 290.5)
-
Step 800
800
#504286
oklch(42.8% 0.109 290.5)
-
Step 900
900
#42386B
oklch(37.7% 0.085 290.7)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#6F5BB9 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) | #346CBC | 0.080 |
| Deuteranopia (no green cones) | #3768B7 | 0.076 |
| Tritanopia (no blue cones) | #5B6E81 | 0.118 |
| Achromatopsia (no color) | #6A6A6A | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F5BB9
#6F5BB9
oklch(53.6% 0.143 290.6)
- #727300
#727300
oklch(53.7% 0.117 110.4)
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 #6F5BB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.029
- Slate Blue #6A5ACD ΔE 0.033
- Light Indigo #6D5ACF ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.070
- French Blue #436BAD ΔE 0.073
- Warm Blue #4B57DB ΔE 0.076
Use #6F5BB9 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.