#6975BE
Closest named color: Windows Blue (#3778BF). oklch(58.5% 0.113 275.3), rgb(105, 117, 190).
Aa
Black text reads best on this color (4.88:1).
About this color
#6975BE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.113 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.054 away. Black text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #6975BE |
| RGB | rgb(105, 117, 190) |
| HSL | hsl(232, 40%, 58%) |
| OKLCH | oklch(58.5% 0.113 275.3) |
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 #6975BE | 4.29:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #6975BE | 4.88:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #6975BE text on white | 4.29:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #6975BE text on black | 4.88:1 | AA | Lc -32.0 | 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
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300
#B7BFE2
oklch(81% 0.05 275.1)
-
Step 400
400
#929DD4
oklch(70.8% 0.082 275.4)
-
Step 500
500
#7884C8
oklch(63.2% 0.103 275.4)
-
Step 600
600 (this color)
#6975BE
oklch(58.5% 0.113 275.3)
-
Step 700
700
#505A9B
oklch(49% 0.104 275.3)
-
Step 800
800
#424A7E
oklch(42.7% 0.087 275.5)
-
Step 900
900
#373E65
oklch(37.6% 0.067 275)
-
Step 950
950
#20253B
oklch(27.1% 0.042 273.5)
#6975BE 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) | #5A7EC1 | 0.028 |
| Deuteranopia (no green cones) | #5477BC | 0.027 |
| Tritanopia (no blue cones) | #4C8490 | 0.100 |
| Achromatopsia (no color) | #7A7A7A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6975BE
#6975BE
oklch(58.5% 0.113 275.3)
- #907A18
#907A18
oklch(58.3% 0.112 95.3)
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 #6975BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.054
- Cool Blue #4984B8 ΔE 0.054
- Steel Blue #4682B4 ΔE 0.056
- Off Blue #5684AE ΔE 0.057
- Dusty Blue #5A86AD ΔE 0.062
- French Blue #436BAD ΔE 0.063
- Flat Blue #3C73A8 ΔE 0.065
- Faded Blue #658CBB ΔE 0.065
Use #6975BE 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.