#6475AF
Closest named color: Off Blue (#5684AE). oklch(57.3% 0.092 270.8), rgb(100, 117, 175).
Aa
Black text reads best on this color (4.70:1).
About this color
#6475AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.092 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.044 away. Black text reads best on it, at 4.70:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #6475AF |
| RGB | rgb(100, 117, 175) |
| HSL | hsl(226, 32%, 54%) |
| OKLCH | oklch(57.3% 0.092 270.8) |
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 #6475AF | 4.46:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #6475AF | 4.70:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #6475AF text on white | 4.46:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #6475AF text on black | 4.70:1 | AA | Lc -30.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DC
oklch(80.9% 0.041 269.9)
-
Step 400
400
#919FCB
oklch(70.7% 0.067 270.9)
-
Step 500
500
#7687BD
oklch(63.1% 0.084 270.4)
-
Step 600
600 (this color)
#6475AF
oklch(57.3% 0.092 270.8)
-
Step 700
700
#4F5D91
oklch(49% 0.085 271.5)
-
Step 800
800
#404C76
oklch(42.6% 0.072 271)
-
Step 900
900
#37405F
oklch(37.8% 0.055 271.2)
-
Step 950
950
#202638
oklch(27.1% 0.035 269.8)
#6475AF 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) | #617BB1 | 0.016 |
| Deuteranopia (no green cones) | #5A74AE | 0.014 |
| Tritanopia (no blue cones) | #4B818A | 0.082 |
| Achromatopsia (no color) | #777777 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6475AF
#6475AF
oklch(57.3% 0.092 270.8)
- #8D7631
#8D7631
oklch(57.4% 0.092 90.7)
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 #6475AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.044
- Steel Blue #4682B4 ΔE 0.045
- Stormy Blue #507B9C ΔE 0.046
- Dull Blue #49759C ΔE 0.046
- Cool Blue #4984B8 ΔE 0.047
- Flat Blue #3C73A8 ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.049
- Windows Blue #3778BF ΔE 0.051
Use #6475AF 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.