#6B7BBF
Closest named color: Cool Blue (#4984B8). oklch(59.9% 0.106 272.8), rgb(107, 123, 191).
Aa
Black text reads best on this color (5.21:1).
About this color
#6B7BBF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.106 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.046 away. Black text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.21:1 |
| White text | 4.03:1 |
Values
| HEX | #6B7BBF |
| RGB | rgb(107, 123, 191) |
| HSL | hsl(229, 40%, 58%) |
| OKLCH | oklch(59.9% 0.106 272.8) |
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 #6B7BBF | 4.03:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #6B7BBF | 5.21:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #6B7BBF text on white | 4.03:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #6B7BBF text on black | 5.21:1 | AA | Lc -34.2 | 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 500.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D2D8ED
oklch(88.4% 0.03 273.1)
-
Step 300
300
#B5BFE3
oklch(80.9% 0.052 273)
-
Step 400
400
#8F9ED5
oklch(70.8% 0.082 272.4)
-
Step 500
500 (this color)
#6B7BBF
oklch(59.9% 0.106 272.8)
-
Step 600
600
#5D6DB6
oklch(55.5% 0.115 272.8)
-
Step 700
700
#4D5B9D
oklch(49.1% 0.107 272.9)
-
Step 800
800
#3F4B7F
oklch(42.8% 0.088 272.4)
-
Step 900
900
#353F66
oklch(37.8% 0.068 271.9)
-
Step 950
950
#1F253C
oklch(27% 0.044 272.1)
#6B7BBF 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) | #6382C2 | 0.020 |
| Deuteranopia (no green cones) | #5B7BBD | 0.021 |
| Tritanopia (no blue cones) | #4E8994 | 0.094 |
| Achromatopsia (no color) | #7F7F7F | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B7BBF
#6B7BBF
oklch(59.9% 0.106 272.8)
- #967E29
#967E29
oklch(60% 0.106 92.9)
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 #6B7BBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.046
- Off Blue #5684AE ΔE 0.048
- Faded Blue #658CBB ΔE 0.049
- Steel Blue #4682B4 ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.051
- Windows Blue #3778BF ΔE 0.058
- Lavender Gray #7E7F9A ΔE 0.066
- Stormy Blue #507B9C ΔE 0.067
Use #6B7BBF 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.