#6C7BB7
Closest named color: Off Blue (#5684AE). oklch(59.6% 0.094 272.6), rgb(108, 123, 183).
Aa
Black text reads best on this color (5.15:1).
About this color
#6C7BB7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.094 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.040 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #6C7BB7 |
| RGB | rgb(108, 123, 183) |
| HSL | hsl(228, 34%, 57%) |
| OKLCH | oklch(59.6% 0.094 272.6) |
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 #6C7BB7 | 4.07:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #6C7BB7 | 5.15:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #6C7BB7 text on white | 4.07:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #6C7BB7 text on black | 5.15:1 | AA | Lc -33.8 | 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 500.
-
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
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFDF
oklch(80.8% 0.046 272.9)
-
Step 400
400
#919ECF
oklch(70.7% 0.073 272.9)
-
Step 500
500 (this color)
#6C7BB7
oklch(59.6% 0.094 272.6)
-
Step 600
600
#5F6FAF
oklch(55.7% 0.101 272.1)
-
Step 700
700
#4F5C96
oklch(49.1% 0.094 272.9)
-
Step 800
800
#404B7A
oklch(42.6% 0.079 272.6)
-
Step 900
900
#373F62
oklch(37.7% 0.061 273.3)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#6C7BB7 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) | #6781B9 | 0.017 |
| Deuteranopia (no green cones) | #607BB6 | 0.016 |
| Tritanopia (no blue cones) | #548791 | 0.083 |
| Achromatopsia (no color) | #7E7E7E | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C7BB7
#6C7BB7
oklch(59.6% 0.094 272.6)
- #937D37
#937D37
oklch(59.6% 0.093 91.9)
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 #6C7BB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.043
- Cool Blue #4984B8 ΔE 0.044
- Steel Blue #4682B4 ΔE 0.046
- Faded Blue #658CBB ΔE 0.046
- Lavender Gray #7E7F9A ΔE 0.055
- Stormy Blue #507B9C ΔE 0.057
- Windows Blue #3778BF ΔE 0.060
Use #6C7BB7 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.