#6975A4
Closest named color: Stormy Blue (#507B9C). oklch(57.1% 0.074 272.9), rgb(105, 117, 164).
Aa
Black text reads best on this color (4.68:1).
About this color
#6975A4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.074 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.038 away. Black text reads best on it, at 4.68:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #6975A4 |
| RGB | rgb(105, 117, 164) |
| HSL | hsl(228, 24%, 53%) |
| OKLCH | oklch(57.1% 0.074 272.9) |
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 #6975A4 | 4.48:1 | AA large text | Lc -76.6 | Fine for body text |
| Black text on #6975A4 | 4.68:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #6975A4 text on white | 4.48:1 | AA large text | Lc 71.1 | Content text, not long reading |
| #6975A4 text on black | 4.68:1 | AA | Lc -30.6 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D5D9E6
oklch(88.6% 0.018 272.3)
-
Step 300
300
#B9C0D7
oklch(81% 0.033 272.2)
-
Step 400
400
#959FC3
oklch(70.7% 0.054 272.8)
-
Step 500
500
#7B87B3
oklch(63% 0.068 272.5)
-
Step 600
600 (this color)
#6975A4
oklch(57.1% 0.074 272.9)
-
Step 700
700
#535E88
oklch(49% 0.069 272.4)
-
Step 800
800
#444D6F
oklch(42.7% 0.058 272.4)
-
Step 900
900
#3A405A
oklch(37.7% 0.045 274)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#6975A4 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) | #6679A6 | 0.011 |
| Deuteranopia (no green cones) | #6175A3 | 0.011 |
| Tritanopia (no blue cones) | #587E86 | 0.065 |
| Achromatopsia (no color) | #777777 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6975A4
#6975A4
oklch(57.1% 0.074 272.9)
- #877742
#877742
oklch(57.2% 0.075 93.1)
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 #6975A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.038
- Dull Blue #49759C ΔE 0.043
- Off Blue #5684AE ΔE 0.044
- Cerulean #457B9D ΔE 0.047
- Dusty Blue #5A86AD ΔE 0.048
- Grey Blue #647D8E ΔE 0.048
- Lavender Gray #7E7F9A ΔE 0.049
- Grey Purple #826D8C ΔE 0.050
Use #6975A4 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.