#6476BB
Closest named color: Windows Blue (#3778BF). oklch(58.2% 0.108 271.6), rgb(100, 118, 187).
Aa
Black text reads best on this color (4.85:1).
About this color
#6476BB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.108 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.047 away. Black text reads best on it, at 4.85:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #6476BB |
| RGB | rgb(100, 118, 187) |
| HSL | hsl(228, 39%, 56%) |
| OKLCH | oklch(58.2% 0.108 271.6) |
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 #6476BB | 4.32:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #6476BB | 4.85:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #6476BB text on white | 4.32:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #6476BB text on black | 4.85:1 | AA | Lc -31.8 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9EC
oklch(88.6% 0.027 269.6)
-
Step 300
300
#B5BFE1
oklch(80.8% 0.049 272.4)
-
Step 400
400
#8F9ED2
oklch(70.7% 0.078 271.8)
-
Step 500
500
#7486C6
oklch(63.2% 0.099 271.4)
-
Step 600
600 (this color)
#6476BB
oklch(58.2% 0.108 271.6)
-
Step 700
700
#4C5C9A
oklch(49.1% 0.101 271.3)
-
Step 800
800
#3F4B7D
oklch(42.7% 0.084 272.2)
-
Step 900
900
#353F64
oklch(37.6% 0.065 271.5)
-
Step 950
950
#1F253B
oklch(27% 0.042 271.7)
#6476BB 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) | #5D7DBE | 0.019 |
| Deuteranopia (no green cones) | #5476B9 | 0.020 |
| Tritanopia (no blue cones) | #448490 | 0.095 |
| Achromatopsia (no color) | #797979 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6476BB
#6476BB
oklch(58.2% 0.108 271.6)
- #92781E
#92781E
oklch(58.2% 0.108 91.8)
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 #6476BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.047
- Cool Blue #4984B8 ΔE 0.047
- Steel Blue #4682B4 ΔE 0.048
- Off Blue #5684AE ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.055
- French Blue #436BAD ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.057
- Stormy Blue #507B9C ΔE 0.060
Use #6476BB 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.