#6771AB
Closest named color: Dull Blue (#49759C). oklch(56.5% 0.091 275.6), rgb(103, 113, 171).
Aa
White text reads best on this color (4.63:1).
About this color
#6771AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.091 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.047 away. White text reads best on it, at 4.63:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.52:1 |
| White text | 4.63:1 |
Values
| HEX | #6771AB |
| RGB | rgb(103, 113, 171) |
| HSL | hsl(231, 29%, 54%) |
| OKLCH | oklch(56.5% 0.091 275.6) |
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 #6771AB | 4.63:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #6771AB | 4.52:1 | AA | Lc 31.9 | Non-text elements, placeholder text |
| #6771AB text on white | 4.63:1 | AA | Lc 72.2 | Content text, not long reading |
| #6771AB text on black | 4.52:1 | AA | Lc -29.5 | 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
#D5D8E9
oklch(88.5% 0.023 277.9)
-
Step 300
300
#B9BFDC
oklch(80.9% 0.041 276.2)
-
Step 400
400
#959ECA
oklch(70.8% 0.065 275.6)
-
Step 500
500
#7B85BC
oklch(63% 0.084 275.8)
-
Step 600
600 (this color)
#6771AB
oklch(56.5% 0.091 275.6)
-
Step 700
700
#535C90
oklch(49% 0.084 275.4)
-
Step 800
800
#444B75
oklch(42.6% 0.07 275.8)
-
Step 900
900
#393F5E
oklch(37.6% 0.054 275.1)
-
Step 950
950
#222537
oklch(27% 0.034 276.6)
#6771AB 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) | #5E77AD | 0.019 |
| Deuteranopia (no green cones) | #5972AA | 0.019 |
| Tritanopia (no blue cones) | #527C86 | 0.080 |
| Achromatopsia (no color) | #757575 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6771AB
#6771AB
oklch(56.5% 0.091 275.6)
- #867531
#867531
oklch(56.4% 0.09 95.3)
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 #6771AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.047
- Stormy Blue #507B9C ΔE 0.050
- French Blue #436BAD ΔE 0.050
- Flat Blue #3C73A8 ΔE 0.050
- Dark Lavender #856798 ΔE 0.054
- Off Blue #5684AE ΔE 0.054
- Steel Blue #4682B4 ΔE 0.055
- Cerulean #457B9D ΔE 0.056
Use #6771AB 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.