#6F75BF
Closest named color: Cool Blue (#4984B8). oklch(59% 0.113 278.8), rgb(111, 117, 191).
Aa
Black text reads best on this color (4.97:1).
About this color
#6F75BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.113 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.060 away. Black text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #6F75BF |
| RGB | rgb(111, 117, 191) |
| HSL | hsl(236, 38%, 59%) |
| OKLCH | oklch(59% 0.113 278.8) |
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 #6F75BF | 4.22:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #6F75BF | 4.97:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #6F75BF text on white | 4.22:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #6F75BF text on black | 4.97:1 | AA | Lc -32.6 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#B9BEE2
oklch(80.9% 0.051 279)
-
Step 400
400
#959CD3
oklch(70.8% 0.081 278.5)
-
Step 500
500
#7C82C7
oklch(63% 0.104 279.2)
-
Step 600
600 (this color)
#6F75BF
oklch(59% 0.113 278.8)
-
Step 700
700
#54599B
oklch(49.1% 0.105 278.5)
-
Step 800
800
#45497E
oklch(42.7% 0.087 278.7)
-
Step 900
900
#3A3D65
oklch(37.6% 0.068 279.3)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#6F75BF 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) | #5B7EC2 | 0.032 |
| Deuteranopia (no green cones) | #5678BD | 0.033 |
| Tritanopia (no blue cones) | #568491 | 0.099 |
| Achromatopsia (no color) | #7B7B7B | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F75BF
#6F75BF
oklch(59% 0.113 278.8)
- #8E7E1C
#8E7E1C
oklch(59.1% 0.113 99.4)
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 #6F75BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.060
- Deep Lilac #966EBD ΔE 0.061
- Off Blue #5684AE ΔE 0.061
- Steel Blue #4682B4 ΔE 0.062
- Windows Blue #3778BF ΔE 0.062
- Dusty Blue #5A86AD ΔE 0.065
- Faded Blue #658CBB ΔE 0.065
- Dark Lavender #856798 ΔE 0.069
Use #6F75BF 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.