#6771B7
Closest named color: French Blue (#436BAD). oklch(57.1% 0.108 276.2), rgb(103, 113, 183).
Aa
Black text reads best on this color (4.62:1).
About this color
#6771B7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.108 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.052 away. Black text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.62:1 |
| White text | 4.54:1 |
Values
| HEX | #6771B7 |
| RGB | rgb(103, 113, 183) |
| HSL | hsl(233, 36%, 56%) |
| OKLCH | oklch(57.1% 0.108 276.2) |
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 #6771B7 | 4.54:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #6771B7 | 4.62:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #6771B7 text on white | 4.54:1 | AA | Lc 71.5 | Content text, not long reading |
| #6771B7 text on black | 4.62:1 | AA | Lc -30.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B8BFE1
oklch(81% 0.049 276.1)
-
Step 400
400
#939DD2
oklch(70.8% 0.078 275.9)
-
Step 500
500
#7984C5
oklch(63.1% 0.099 275.9)
-
Step 600
600 (this color)
#6771B7
oklch(57.1% 0.108 276.2)
-
Step 700
700
#525A99
oklch(49% 0.101 276.5)
-
Step 800
800
#434A7C
oklch(42.7% 0.083 276.2)
-
Step 900
900
#383E64
oklch(37.7% 0.065 276)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#6771B7 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) | #5879BA | 0.026 |
| Deuteranopia (no green cones) | #5273B5 | 0.027 |
| Tritanopia (no blue cones) | #4C7F8B | 0.096 |
| Achromatopsia (no color) | #767676 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6771B7
#6771B7
oklch(57.1% 0.108 276.2)
- #8B771B
#8B771B
oklch(57.2% 0.108 96)
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 #6771B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.052
- Windows Blue #3778BF ΔE 0.053
- Flat Blue #3C73A8 ΔE 0.057
- Steel Blue #4682B4 ΔE 0.058
- Cool Blue #4984B8 ΔE 0.059
- Off Blue #5684AE ΔE 0.060
- Dull Blue #49759C ΔE 0.061
- Stormy Blue #507B9C ΔE 0.064
Use #6771B7 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.