#6A75BF
Closest named color: Windows Blue (#3778BF). oklch(58.6% 0.114 275.9), rgb(106, 117, 191).
Aa
Black text reads best on this color (4.90:1).
About this color
#6A75BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.114 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.055 away. Black text reads best on it, at 4.90:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.90:1 |
| White text | 4.27:1 |
Values
| HEX | #6A75BF |
| RGB | rgb(106, 117, 191) |
| HSL | hsl(232, 40%, 58%) |
| OKLCH | oklch(58.6% 0.114 275.9) |
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 #6A75BF | 4.27:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #6A75BF | 4.90:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #6A75BF text on white | 4.27:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #6A75BF text on black | 4.90:1 | AA | Lc -32.2 | 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
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300
#B7BEE2
oklch(80.8% 0.051 276.5)
-
Step 400
400
#929DD4
oklch(70.8% 0.082 275.4)
-
Step 500
500
#7883C8
oklch(63% 0.105 276.1)
-
Step 600
600 (this color)
#6A75BF
oklch(58.6% 0.114 275.9)
-
Step 700
700
#515A9C
oklch(49.1% 0.106 275.9)
-
Step 800
800
#424A7E
oklch(42.7% 0.087 275.5)
-
Step 900
900
#383E66
oklch(37.8% 0.069 276.1)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#6A75BF 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) | #5A7EC2 | 0.029 |
| Deuteranopia (no green cones) | #5377BD | 0.029 |
| Tritanopia (no blue cones) | #4D8491 | 0.100 |
| Achromatopsia (no color) | #7A7A7A | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A75BF
#6A75BF
oklch(58.6% 0.114 275.9)
- #907B16
#907B16
oklch(58.6% 0.114 96.2)
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 #6A75BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.055
- Cool Blue #4984B8 ΔE 0.056
- Steel Blue #4682B4 ΔE 0.057
- Off Blue #5684AE ΔE 0.059
- Dusty Blue #5A86AD ΔE 0.063
- French Blue #436BAD ΔE 0.064
- Faded Blue #658CBB ΔE 0.065
- Flat Blue #3C73A8 ΔE 0.067
Use #6A75BF 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.