#6D75AB
Closest named color: Off Blue (#5684AE). oklch(57.8% 0.084 277), rgb(109, 117, 171).
Aa
Black text reads best on this color (4.78:1).
About this color
#6D75AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.084 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.047 away. Black text reads best on it, at 4.78:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.78:1 |
| White text | 4.39:1 |
Values
| HEX | #6D75AB |
| RGB | rgb(109, 117, 171) |
| HSL | hsl(232, 27%, 55%) |
| OKLCH | oklch(57.8% 0.084 277) |
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 #6D75AB | 4.39:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #6D75AB | 4.78:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #6D75AB text on white | 4.39:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #6D75AB text on black | 4.78:1 | AA | Lc -31.3 | Non-text elements, placeholder text |
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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E7
oklch(88.4% 0.021 276.9)
-
Step 300
300
#BABFD9
oklch(80.9% 0.037 276.9)
-
Step 400
400
#979EC7
oklch(70.8% 0.06 277.2)
-
Step 500
500
#7D85B8
oklch(63% 0.077 277.1)
-
Step 600
600 (this color)
#6D75AB
oklch(57.8% 0.084 277)
-
Step 700
700
#555C8D
oklch(49% 0.079 276.9)
-
Step 800
800
#464C72
oklch(42.8% 0.063 276.5)
-
Step 900
900
#3B3F5C
oklch(37.7% 0.05 277.7)
-
Step 950
950
#222536
oklch(27% 0.032 276.3)
#6D75AB 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) | #647BAD | 0.019 |
| Deuteranopia (no green cones) | #6076AA | 0.018 |
| Tritanopia (no blue cones) | #5B7F88 | 0.074 |
| Achromatopsia (no color) | #787878 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D75AB
#6D75AB
oklch(57.8% 0.084 277)
- #887A3C
#887A3C
oklch(57.9% 0.084 96.9)
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 #6D75AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.047
- Stormy Blue #507B9C ΔE 0.049
- Dusty Blue #5A86AD ΔE 0.050
- Lavender Gray #7E7F9A ΔE 0.051
- Dark Lavender #856798 ΔE 0.052
- Steel Blue #4682B4 ΔE 0.053
- Dull Blue #49759C ΔE 0.053
- Cool Blue #4984B8 ΔE 0.054
Use #6D75AB 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.