#616699
Closest named color: Dusky Blue (#475F94). oklch(52.8% 0.08 279), rgb(97, 102, 153).
Aa
White text reads best on this color (5.42:1).
About this color
#616699 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.080 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.044 away. White text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.86:1 |
| White text | 5.42:1 |
Values
| HEX | #616699 |
| RGB | rgb(97, 102, 153) |
| HSL | hsl(235, 22%, 49%) |
| OKLCH | oklch(52.8% 0.08 279) |
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 #616699 | 5.42:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #616699 | 3.86:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #616699 text on white | 5.42:1 | AA | Lc 77.0 | Fine for body text |
| #616699 text on black | 3.86:1 | AA large text | Lc -24.7 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300
#BBBFD8
oklch(80.9% 0.035 278.4)
-
Step 400
400
#989DC5
oklch(70.6% 0.059 279.2)
-
Step 500
500
#7F85B6
oklch(63.1% 0.074 278.6)
-
Step 600
600 (this color)
#616699
oklch(52.8% 0.08 279)
-
Step 700
700
#575C8B
oklch(49.1% 0.075 278.6)
-
Step 800
800
#484B71
oklch(42.7% 0.063 279.9)
-
Step 900
900
#3C3F5B
oklch(37.7% 0.048 279.1)
-
Step 950
950
#232535
oklch(27% 0.03 278.7)
#616699 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) | #566C9B | 0.021 |
| Deuteranopia (no green cones) | #536898 | 0.020 |
| Tritanopia (no blue cones) | #517078 | 0.072 |
| Achromatopsia (no color) | #6A6A6A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616699
#616699
oklch(52.8% 0.08 279)
- #776C31
#776C31
oklch(52.8% 0.08 98.9)
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 #616699, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.044
- French Blue #436BAD ΔE 0.046
- Dull Blue #49759C ΔE 0.048
- Muted Blue #3B719F ΔE 0.050
- Metallic Blue #4F738E ΔE 0.050
- Flat Blue #3C73A8 ΔE 0.053
- Denim #3B638C ΔE 0.056
- Dark Lavender #856798 ΔE 0.057
Use #616699 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.