#616FB2
Closest named color: French Blue (#436BAD). oklch(56% 0.105 273.6), rgb(97, 111, 178).
Aa
White text reads best on this color (4.74:1).
About this color
#616FB2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.105 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.041 away. White text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #616FB2 |
| RGB | rgb(97, 111, 178) |
| HSL | hsl(230, 34%, 54%) |
| OKLCH | oklch(56% 0.105 273.6) |
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 #616FB2 | 4.74:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #616FB2 | 4.42:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #616FB2 text on white | 4.74:1 | AA | Lc 72.9 | Content text, not long reading |
| #616FB2 text on black | 4.42:1 | AA large text | Lc -28.8 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFE0
oklch(80.8% 0.048 273.3)
-
Step 400
400
#919ED0
oklch(70.7% 0.075 273.1)
-
Step 500
500
#7785C4
oklch(63.1% 0.096 273.8)
-
Step 600
600 (this color)
#616FB2
oklch(56% 0.105 273.6)
-
Step 700
700
#4F5C98
oklch(49.2% 0.097 273.1)
-
Step 800
800
#414B7B
oklch(42.7% 0.081 273.6)
-
Step 900
900
#373F63
oklch(37.7% 0.063 273.5)
-
Step 950
950
#20253A
oklch(27% 0.04 273.2)
#616FB2 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) | #5777B5 | 0.023 |
| Deuteranopia (no green cones) | #5070B0 | 0.022 |
| Tritanopia (no blue cones) | #447D88 | 0.094 |
| Achromatopsia (no color) | #737373 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616FB2
#616FB2
oklch(56% 0.105 273.6)
- #89731A
#89731A
oklch(56.1% 0.106 94.2)
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 #616FB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.041
- Flat Blue #3C73A8 ΔE 0.047
- Windows Blue #3778BF ΔE 0.048
- Dull Blue #49759C ΔE 0.052
- Muted Blue #3B719F ΔE 0.056
- Steel Blue #4682B4 ΔE 0.057
- Stormy Blue #507B9C ΔE 0.058
- Cool Blue #4984B8 ΔE 0.060
Use #616FB2 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.