#6774AF
Closest named color: Off Blue (#5684AE). oklch(57.3% 0.092 273.7), rgb(103, 116, 175).
Aa
Black text reads best on this color (4.69:1).
About this color
#6774AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.092 and its hue 274°. 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 4.69:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #6774AF |
| RGB | rgb(103, 116, 175) |
| HSL | hsl(229, 31%, 55%) |
| OKLCH | oklch(57.3% 0.092 273.7) |
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 #6774AF | 4.47:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #6774AF | 4.69:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #6774AF text on white | 4.47:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #6774AF text on black | 4.69:1 | AA | Lc -30.7 | 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
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300
#B8BFDC
oklch(80.9% 0.042 274.7)
-
Step 400
400
#939ECB
oklch(70.7% 0.067 273.9)
-
Step 500
500
#7986BD
oklch(63.1% 0.084 273.5)
-
Step 600
600 (this color)
#6774AF
oklch(57.3% 0.092 273.7)
-
Step 700
700
#515D91
oklch(49.2% 0.085 273)
-
Step 800
800
#434C76
oklch(42.8% 0.071 273.8)
-
Step 900
900
#383F5F
oklch(37.6% 0.056 274)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#6774AF 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) | #607AB1 | 0.017 |
| Deuteranopia (no green cones) | #5A74AE | 0.017 |
| Tritanopia (no blue cones) | #508089 | 0.083 |
| Achromatopsia (no color) | #777777 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6774AF
#6774AF
oklch(57.3% 0.092 273.7)
- #8B7731
#8B7731
oklch(57.4% 0.093 93.3)
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 #6774AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.048
- Steel Blue #4682B4 ΔE 0.049
- Stormy Blue #507B9C ΔE 0.049
- Dull Blue #49759C ΔE 0.050
- Cool Blue #4984B8 ΔE 0.051
- Flat Blue #3C73A8 ΔE 0.052
- Dusty Blue #5A86AD ΔE 0.053
- French Blue #436BAD ΔE 0.054
Use #6774AF 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.