#6971B2
Closest named color: French Blue (#436BAD). oklch(57% 0.1 277.4), rgb(105, 113, 178).
Aa
Black text reads best on this color (4.60:1).
About this color
#6971B2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.100 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.053 away. Black text reads best on it, at 4.60:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #6971B2 |
| RGB | rgb(105, 113, 178) |
| HSL | hsl(233, 32%, 55%) |
| OKLCH | oklch(57% 0.1 277.4) |
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 #6971B2 | 4.55:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #6971B2 | 4.60:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #6971B2 text on white | 4.55:1 | AA | Lc 71.6 | Content text, not long reading |
| #6971B2 text on black | 4.60:1 | AA | Lc -30.1 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#B9BFDE
oklch(81% 0.044 276.7)
-
Step 400
400
#959DCE
oklch(70.7% 0.072 277.2)
-
Step 500
500
#7C84C1
oklch(63.1% 0.092 277.7)
-
Step 600
600 (this color)
#6971B2
oklch(57% 0.1 277.4)
-
Step 700
700
#545B95
oklch(49.2% 0.093 277.2)
-
Step 800
800
#454A79
oklch(42.7% 0.078 277.9)
-
Step 900
900
#3A3E61
oklch(37.6% 0.06 278.1)
-
Step 950
950
#222539
oklch(27.1% 0.037 277)
#6971B2 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) | #5B79B5 | 0.026 |
| Deuteranopia (no green cones) | #5673B0 | 0.025 |
| Tritanopia (no blue cones) | #527E89 | 0.089 |
| Achromatopsia (no color) | #767676 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6971B2
#6971B2
oklch(57% 0.1 277.4)
- #887727
#887727
oklch(57% 0.1 97)
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 #6971B2, closest first.
No curated palette has a color within ΔE 0.04 of #6971B2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.053
- Flat Blue #3C73A8 ΔE 0.056
- Windows Blue #3778BF ΔE 0.056
- Dull Blue #49759C ΔE 0.057
- Steel Blue #4682B4 ΔE 0.057
- Dark Lavender #856798 ΔE 0.057
- Off Blue #5684AE ΔE 0.058
- Cool Blue #4984B8 ΔE 0.059
Use #6971B2 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.