#6771AD
Closest named color: Dull Blue (#49759C). oklch(56.6% 0.094 275.8), rgb(103, 113, 173).
Aa
White text reads best on this color (4.62:1).
About this color
#6771AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.094 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.050 away. White text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.54:1 |
| White text | 4.62:1 |
Values
| HEX | #6771AD |
| RGB | rgb(103, 113, 173) |
| HSL | hsl(231, 30%, 54%) |
| OKLCH | oklch(56.6% 0.094 275.8) |
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 #6771AD | 4.62:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #6771AD | 4.54:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #6771AD text on white | 4.62:1 | AA | Lc 72.1 | Content text, not long reading |
| #6771AD text on black | 4.54:1 | AA | Lc -29.6 | Dividers and decoration only |
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
#B9BFDC
oklch(80.9% 0.041 276.2)
-
Step 400
400
#959ECB
oklch(70.8% 0.067 275.8)
-
Step 500
500
#7B85BE
oklch(63.1% 0.087 276)
-
Step 600
600 (this color)
#6771AD
oklch(56.6% 0.094 275.8)
-
Step 700
700
#535C92
oklch(49.1% 0.087 275.5)
-
Step 800
800
#444B76
oklch(42.6% 0.072 275.9)
-
Step 900
900
#393F5F
oklch(37.7% 0.055 275.3)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#6771AD 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) | #5D78AF | 0.022 |
| Deuteranopia (no green cones) | #5872AC | 0.020 |
| Tritanopia (no blue cones) | #517D87 | 0.083 |
| Achromatopsia (no color) | #757575 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6771AD
#6771AD
oklch(56.6% 0.094 275.8)
- #87762E
#87762E
oklch(56.7% 0.094 95.9)
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 #6771AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.050
- French Blue #436BAD ΔE 0.050
- Flat Blue #3C73A8 ΔE 0.051
- Stormy Blue #507B9C ΔE 0.052
- Off Blue #5684AE ΔE 0.055
- Steel Blue #4682B4 ΔE 0.055
- Dark Lavender #856798 ΔE 0.055
- Windows Blue #3778BF ΔE 0.056
Use #6771AD 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.