#6779A3
Closest named color: Stormy Blue (#507B9C). oklch(57.8% 0.068 266.4), rgb(103, 121, 163).
Aa
Black text reads best on this color (4.84:1).
About this color
#6779A3 is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.068 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.032 away. Black text reads best on it, at 4.84:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #6779A3 |
| RGB | rgb(103, 121, 163) |
| HSL | hsl(222, 25%, 52%) |
| OKLCH | oklch(57.8% 0.068 266.4) |
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 #6779A3 | 4.33:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #6779A3 | 4.84:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #6779A3 text on white | 4.33:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #6779A3 text on black | 4.84:1 | AA | Lc -31.6 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B7C1D5
oklch(80.9% 0.03 264.4)
-
Step 400
400
#92A0C0
oklch(70.6% 0.05 266.5)
-
Step 500
500
#7889B0
oklch(63.1% 0.062 266.3)
-
Step 600
600 (this color)
#6779A3
oklch(57.8% 0.068 266.4)
-
Step 700
700
#506085
oklch(49.1% 0.063 266.1)
-
Step 800
800
#424E6C
oklch(42.6% 0.052 267.4)
-
Step 900
900
#374158
oklch(37.6% 0.042 266.2)
-
Step 950
950
#202633
oklch(26.9% 0.026 265.4)
#6779A3 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) | #6B7CA5 | 0.011 |
| Deuteranopia (no green cones) | #6577A2 | 0.007 |
| Tritanopia (no blue cones) | #558287 | 0.063 |
| Achromatopsia (no color) | #797979 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6779A3
#6779A3
oklch(57.8% 0.068 266.4)
- #8C7749
#8C7749
oklch(57.8% 0.069 85.8)
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 #6779A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.032
- Off Blue #5684AE ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.037
- Grey Blue #647D8E ΔE 0.039
- Dull Blue #49759C ΔE 0.041
- Cerulean #457B9D ΔE 0.041
- Lavender Gray #7E7F9A ΔE 0.042
- Slate Gray #708090 ΔE 0.043
Use #6779A3 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.