#6B74AE
Closest named color: Off Blue (#5684AE). oklch(57.6% 0.09 276.5), rgb(107, 116, 174).
Aa
Black text reads best on this color (4.73:1).
About this color
#6B74AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.090 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.049 away. Black text reads best on it, at 4.73:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #6B74AE |
| RGB | rgb(107, 116, 174) |
| HSL | hsl(232, 29%, 55%) |
| OKLCH | oklch(57.6% 0.09 276.5) |
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 #6B74AE | 4.43:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #6B74AE | 4.73:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #6B74AE text on white | 4.43:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #6B74AE text on black | 4.73:1 | AA | Lc -30.9 | 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
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#B9BFDB
oklch(80.9% 0.04 275.9)
-
Step 400
400
#959EC9
oklch(70.7% 0.064 275.4)
-
Step 500
500
#7C85BC
oklch(63.1% 0.083 276.6)
-
Step 600
600 (this color)
#6B74AE
oklch(57.6% 0.09 276.5)
-
Step 700
700
#545C90
oklch(49.1% 0.084 276.2)
-
Step 800
800
#454B75
oklch(42.7% 0.07 276.8)
-
Step 900
900
#3A3F5E
oklch(37.7% 0.053 276.5)
-
Step 950
950
#222537
oklch(27% 0.034 276.6)
#6B74AE 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) | #617AB0 | 0.019 |
| Deuteranopia (no green cones) | #5C75AD | 0.020 |
| Tritanopia (no blue cones) | #577F89 | 0.079 |
| Achromatopsia (no color) | #787878 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B74AE
#6B74AE
oklch(57.6% 0.09 276.5)
- #887935
#887935
oklch(57.6% 0.09 97)
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 #6B74AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.049
- Stormy Blue #507B9C ΔE 0.052
- Steel Blue #4682B4 ΔE 0.052
- Dull Blue #49759C ΔE 0.053
- Dusty Blue #5A86AD ΔE 0.053
- Cool Blue #4984B8 ΔE 0.054
- Dark Lavender #856798 ΔE 0.054
- Flat Blue #3C73A8 ΔE 0.057
Use #6B74AE 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.