#6D779B
Closest named color: Grey Blue (#647D8E). oklch(57.5% 0.057 272.5), rgb(109, 119, 155).
Aa
Black text reads best on this color (4.76:1).
About this color
#6D779B is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.057 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.033 away. Black text reads best on it, at 4.76:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #6D779B |
| RGB | rgb(109, 119, 155) |
| HSL | hsl(227, 19%, 52%) |
| OKLCH | oklch(57.5% 0.057 272.5) |
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 #6D779B | 4.40:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #6D779B | 4.76:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #6D779B text on white | 4.40:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #6D779B text on black | 4.76:1 | AA | Lc -31.1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D2
oklch(80.9% 0.026 273.4)
-
Step 400
400
#98A0BB
oklch(70.8% 0.04 272.3)
-
Step 500
500
#7E88AA
oklch(63.1% 0.053 272)
-
Step 600
600 (this color)
#6D779B
oklch(57.5% 0.057 272.5)
-
Step 700
700
#565F7F
oklch(49.1% 0.053 272.2)
-
Step 800
800
#474E67
oklch(42.8% 0.043 272.4)
-
Step 900
900
#3B4154
oklch(37.8% 0.034 271.1)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#6D779B 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) | #6C7A9D | 0.008 |
| Deuteranopia (no green cones) | #69769A | 0.007 |
| Tritanopia (no blue cones) | #617E83 | 0.052 |
| Achromatopsia (no color) | #787878 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D779B
#6D779B
oklch(57.5% 0.057 272.5)
- #857852
#857852
oklch(57.5% 0.056 91.4)
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 #6D779B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.033
- Lavender Gray #7E7F9A ΔE 0.036
- Slate Gray #708090 ΔE 0.036
- Stormy Blue #507B9C ΔE 0.036
- Grey Purple #826D8C ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.042
- Off Blue #5684AE ΔE 0.045
- Steel #738595 ΔE 0.046
Use #6D779B 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.