#6F75AB
Closest named color: Off Blue (#5684AE). oklch(57.9% 0.083 278.6), rgb(111, 117, 171).
Aa
Black text reads best on this color (4.80:1).
About this color
#6F75AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.083 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.048 away. Black text reads best on it, at 4.80:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.80:1 |
| White text | 4.36:1 |
Values
| HEX | #6F75AB |
| RGB | rgb(111, 117, 171) |
| HSL | hsl(234, 26%, 55%) |
| OKLCH | oklch(57.9% 0.083 278.6) |
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 #6F75AB | 4.36:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #6F75AB | 4.80:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #6F75AB text on white | 4.36:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #6F75AB text on black | 4.80:1 | AA | Lc -31.4 | 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
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300
#BBBFD9
oklch(81% 0.037 278.6)
-
Step 400
400
#989DC6
oklch(70.6% 0.06 279.3)
-
Step 500
500
#7F85B8
oklch(63.1% 0.077 278.8)
-
Step 600
600 (this color)
#6F75AB
oklch(57.9% 0.083 278.6)
-
Step 700
700
#575C8C
oklch(49.1% 0.077 278.6)
-
Step 800
800
#474B72
oklch(42.7% 0.065 278.8)
-
Step 900
900
#3B3F5C
oklch(37.7% 0.05 277.7)
-
Step 950
950
#232536
oklch(27% 0.032 278.9)
#6F75AB 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 | 0.020 |
| Deuteranopia (no green cones) | #6177AA | 0.019 |
| Tritanopia (no blue cones) | #5E7F88 | 0.074 |
| Achromatopsia (no color) | #797979 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F75AB
#6F75AB
oklch(57.9% 0.083 278.6)
- #877B3D
#877B3D
oklch(58% 0.084 98.6)
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 #6F75AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.048
- Lavender Gray #7E7F9A ΔE 0.050
- Dark Lavender #856798 ΔE 0.050
- Stormy Blue #507B9C ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.051
- Grey Purple #826D8C ΔE 0.053
- Steel Blue #4682B4 ΔE 0.055
- Dull Blue #49759C ΔE 0.055
Use #6F75AB 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.