#616A99
Closest named color: Dull Blue (#49759C). oklch(53.6% 0.075 275.3), rgb(97, 106, 153).
Aa
White text reads best on this color (5.21:1).
About this color
#616A99 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.075 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.040 away. White text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #616A99 |
| RGB | rgb(97, 106, 153) |
| HSL | hsl(230, 22%, 49%) |
| OKLCH | oklch(53.6% 0.075 275.3) |
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 #616A99 | 5.21:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #616A99 | 4.02:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #616A99 text on white | 5.21:1 | AA | Lc 75.8 | Fine for body text |
| #616A99 text on black | 4.02:1 | AA large text | Lc -25.9 | 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
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300
#BABFD7
oklch(80.8% 0.034 276.3)
-
Step 400
400
#979EC3
oklch(70.7% 0.055 276.5)
-
Step 500
500
#7D86B3
oklch(63% 0.069 275.5)
-
Step 600
600 (this color)
#616A99
oklch(53.6% 0.075 275.3)
-
Step 700
700
#555D88
oklch(49% 0.07 275.4)
-
Step 800
800
#464C6F
oklch(42.6% 0.059 276.2)
-
Step 900
900
#3B405A
oklch(37.8% 0.045 275.6)
-
Step 950
950
#222534
oklch(26.8% 0.028 275.6)
#616A99 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) | #5B6F9B | 0.015 |
| Deuteranopia (no green cones) | #576A98 | 0.014 |
| Tritanopia (no blue cones) | #51737B | 0.066 |
| Achromatopsia (no color) | #6D6D6D | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616A99
#616A99
oklch(53.6% 0.075 275.3)
- #7B6D38
#7B6D38
oklch(53.6% 0.074 94.9)
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 #616A99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.040
- Metallic Blue #4F738E ΔE 0.042
- Muted Blue #3B719F ΔE 0.045
- French Blue #436BAD ΔE 0.047
- Flat Blue #3C73A8 ΔE 0.048
- Stormy Blue #507B9C ΔE 0.050
- Dusky Blue #475F94 ΔE 0.050
- Cerulean #457B9D ΔE 0.054
Use #616A99 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.