#6170BA
Closest named color: French Blue (#436BAD). oklch(56.7% 0.116 273.5), rgb(97, 112, 186).
Aa
White text reads best on this color (4.63:1).
About this color
#6170BA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.116 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.046 away. White text reads best on it, at 4.63:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.53:1 |
| White text | 4.63:1 |
Values
| HEX | #6170BA |
| RGB | rgb(97, 112, 186) |
| HSL | hsl(230, 39%, 55%) |
| OKLCH | oklch(56.7% 0.116 273.5) |
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 #6170BA | 4.63:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #6170BA | 4.53:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #6170BA text on white | 4.63:1 | AA | Lc 72.1 | Content text, not long reading |
| #6170BA text on black | 4.53:1 | AA | Lc -29.6 | Dividers and decoration only |
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
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D3D8ED
oklch(88.5% 0.029 275.1)
-
Step 300
300
#B5BFE3
oklch(80.9% 0.052 273)
-
Step 400
400
#909DD5
oklch(70.7% 0.083 274)
-
Step 500
500
#7584CA
oklch(63.1% 0.107 273.8)
-
Step 600
600 (this color)
#6170BA
oklch(56.7% 0.116 273.5)
-
Step 700
700
#4E5B9D
oklch(49.2% 0.107 273.5)
-
Step 800
800
#404A7F
oklch(42.6% 0.089 274)
-
Step 900
900
#363E66
oklch(37.6% 0.069 274)
-
Step 950
950
#20253C
oklch(27.1% 0.043 273.8)
#6170BA 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) | #5479BD | 0.027 |
| Deuteranopia (no green cones) | #4C71B8 | 0.026 |
| Tritanopia (no blue cones) | #3F7F8C | 0.102 |
| Achromatopsia (no color) | #757575 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6170BA
#6170BA
oklch(56.7% 0.116 273.5)
- #8D7402
#8D7402
oklch(56.6% 0.116 93.8)
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 #6170BA, closest first.
No curated palette has a color within ΔE 0.04 of #6170BA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.046
- Windows Blue #3778BF ΔE 0.046
- Flat Blue #3C73A8 ΔE 0.053
- Steel Blue #4682B4 ΔE 0.058
- Cool Blue #4984B8 ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.060
- Dull Blue #49759C ΔE 0.061
- Muted Blue #3B719F ΔE 0.064
Use #6170BA 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.