#6775AF
Closest named color: Off Blue (#5684AE). oklch(57.5% 0.091 272.9), rgb(103, 117, 175).
Aa
Black text reads best on this color (4.74:1).
About this color
#6775AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.091 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.045 away. Black text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.74:1 |
| White text | 4.43:1 |
Values
| HEX | #6775AF |
| RGB | rgb(103, 117, 175) |
| HSL | hsl(228, 31%, 55%) |
| OKLCH | oklch(57.5% 0.091 272.9) |
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 #6775AF | 4.43:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #6775AF | 4.74:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #6775AF text on white | 4.43:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #6775AF text on black | 4.74:1 | AA | Lc -31.0 | 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
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D9E9
oklch(88.6% 0.023 272)
-
Step 300
300
#B7BFDC
oklch(80.8% 0.042 273.2)
-
Step 400
400
#939ECA
oklch(70.6% 0.066 273.7)
-
Step 500
500
#7886BD
oklch(63.1% 0.085 272.8)
-
Step 600
600 (this color)
#6775AF
oklch(57.5% 0.091 272.9)
-
Step 700
700
#515D91
oklch(49.2% 0.085 273)
-
Step 800
800
#424C76
oklch(42.7% 0.071 272.9)
-
Step 900
900
#38405F
oklch(37.8% 0.054 272.5)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#6775AF 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) | #617BB1 | 0.017 |
| Deuteranopia (no green cones) | #5B75AE | 0.016 |
| Tritanopia (no blue cones) | #50818A | 0.082 |
| Achromatopsia (no color) | #787878 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6775AF
#6775AF
oklch(57.5% 0.091 272.9)
- #8C7733
#8C7733
oklch(57.5% 0.091 92.1)
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 #6775AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.045
- Steel Blue #4682B4 ΔE 0.047
- Stormy Blue #507B9C ΔE 0.048
- Cool Blue #4984B8 ΔE 0.049
- Dull Blue #49759C ΔE 0.049
- Dusty Blue #5A86AD ΔE 0.050
- Flat Blue #3C73A8 ΔE 0.052
- Windows Blue #3778BF ΔE 0.054
Use #6775AF 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.