#616FA0
Closest named color: Dull Blue (#49759C). oklch(55.1% 0.078 271.4), rgb(97, 111, 160).
Aa
White text reads best on this color (4.89:1).
About this color
#616FA0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.078 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.034 away. White text reads best on it, at 4.89:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.28:1 |
| White text | 4.89:1 |
Values
| HEX | #616FA0 |
| RGB | rgb(97, 111, 160) |
| HSL | hsl(227, 25%, 50%) |
| OKLCH | oklch(55.1% 0.078 271.4) |
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 #616FA0 | 4.89:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #616FA0 | 4.28:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #616FA0 text on white | 4.89:1 | AA | Lc 73.9 | Content text, not long reading |
| #616FA0 text on black | 4.28:1 | AA large text | Lc -27.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E7
oklch(88.6% 0.02 270.2)
-
Step 300
300
#B8C0D8
oklch(80.9% 0.035 271)
-
Step 400
400
#949FC5
oklch(70.7% 0.057 272.3)
-
Step 500
500
#7987B6
oklch(63% 0.073 271.4)
-
Step 600
600 (this color)
#616FA0
oklch(55.1% 0.078 271.4)
-
Step 700
700
#525E8A
oklch(49.1% 0.072 271.9)
-
Step 800
800
#434D70
oklch(42.7% 0.06 271.5)
-
Step 900
900
#38405B
oklch(37.6% 0.048 271.3)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#616FA0 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) | #5F74A2 | 0.014 |
| Deuteranopia (no green cones) | #596E9F | 0.012 |
| Tritanopia (no blue cones) | #4D7980 | 0.071 |
| Achromatopsia (no color) | #717171 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616FA0
#616FA0
oklch(55.1% 0.078 271.4)
- #837038
#837038
oklch(55.1% 0.079 90.9)
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 #616FA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.034
- Stormy Blue #507B9C ΔE 0.041
- Metallic Blue #4F738E ΔE 0.042
- Flat Blue #3C73A8 ΔE 0.042
- Muted Blue #3B719F ΔE 0.044
- French Blue #436BAD ΔE 0.045
- Cerulean #457B9D ΔE 0.046
- Grey Purple #826D8C ΔE 0.056
Use #616FA0 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.