#6A74BA
Closest named color: Windows Blue (#3778BF). oklch(58.1% 0.108 276.3), rgb(106, 116, 186).
Aa
Black text reads best on this color (4.82:1).
About this color
#6A74BA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.108 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 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #6A74BA |
| RGB | rgb(106, 116, 186) |
| HSL | hsl(233, 37%, 57%) |
| OKLCH | oklch(58.1% 0.108 276.3) |
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 #6A74BA | 4.35:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #6A74BA | 4.82:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #6A74BA text on white | 4.35:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #6A74BA text on black | 4.82:1 | AA | Lc -31.6 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B8BFE1
oklch(81% 0.049 276.1)
-
Step 400
400
#939DD1
oklch(70.7% 0.077 275.8)
-
Step 500
500
#7984C5
oklch(63.1% 0.099 275.9)
-
Step 600
600 (this color)
#6A74BA
oklch(58.1% 0.108 276.3)
-
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)
#6A74BA 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) | #5B7CBD | 0.026 |
| Deuteranopia (no green cones) | #5576B8 | 0.027 |
| Tritanopia (no blue cones) | #50828E | 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°).
- #6A74BA
#6A74BA
oklch(58.1% 0.108 276.3)
- #8D7A20
#8D7A20
oklch(58.1% 0.108 96.7)
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 #6A74BA, 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 0.055
- Steel Blue #4682B4 ΔE 0.056
- Off Blue #5684AE ΔE 0.056
- French Blue #436BAD ΔE 0.061
- Dusty Blue #5A86AD ΔE 0.061
- Flat Blue #3C73A8 ΔE 0.063
- Stormy Blue #507B9C ΔE 0.065
Use #6A74BA 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.