#616F9D
Closest named color: Dull Blue (#49759C). oklch(54.9% 0.074 270.8), rgb(97, 111, 157).
Aa
White text reads best on this color (4.91:1).
About this color
#616F9D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.074 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.032 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.26:1 |
| White text | 4.91:1 |
Values
| HEX | #616F9D |
| RGB | rgb(97, 111, 157) |
| HSL | hsl(226, 24%, 50%) |
| OKLCH | oklch(54.9% 0.074 270.8) |
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 #616F9D | 4.91:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #616F9D | 4.26:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #616F9D text on white | 4.91:1 | AA | Lc 74.0 | Content text, not long reading |
| #616F9D text on black | 4.26:1 | AA large text | Lc -27.7 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300
#B8C0D7
oklch(80.9% 0.034 270.4)
-
Step 400
400
#949FC3
oklch(70.6% 0.054 271.7)
-
Step 500
500
#7A88B3
oklch(63.2% 0.067 270.4)
-
Step 600
600 (this color)
#616F9D
oklch(54.9% 0.074 270.8)
-
Step 700
700
#525F88
oklch(49.2% 0.068 270.3)
-
Step 800
800
#434D6F
oklch(42.6% 0.058 271.2)
-
Step 900
900
#39405A
oklch(37.7% 0.046 272.4)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#616F9D 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) | #60739F | 0.011 |
| Deuteranopia (no green cones) | #5B6E9C | 0.009 |
| Tritanopia (no blue cones) | #4F787F | 0.066 |
| Achromatopsia (no color) | #707070 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616F9D
#616F9D
oklch(54.9% 0.074 270.8)
- #82703C
#82703C
oklch(55% 0.074 90.8)
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 #616F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.032
- Metallic Blue #4F738E ΔE 0.038
- Stormy Blue #507B9C ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.043
- Muted Blue #3B719F ΔE 0.043
- Cerulean #457B9D ΔE 0.045
- French Blue #436BAD ΔE 0.047
- Grey Blue #647D8E ΔE 0.054
Use #616F9D 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.