#616F83
Closest named color: Metallic Blue (#4F738E). oklch(53.7% 0.036 257.3), rgb(97, 111, 131).
Aa
White text reads best on this color (5.10:1).
About this color
#616F83 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.036 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.027 away. White text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.10:1 |
| White text | 5.10:1 |
Values
| HEX | #616F83 |
| RGB | rgb(97, 111, 131) |
| HSL | hsl(215, 15%, 45%) |
| OKLCH | oklch(53.7% 0.036 257.3) |
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 #616F83 | 5.10:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #616F83 | 4.10:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #616F83 text on white | 5.10:1 | AA | Lc 75.3 | Fine for body text |
| #616F83 text on black | 4.10:1 | AA large text | Lc -26.5 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5D9DF
oklch(88.4% 0.009 258.3)
-
Step 300
300
#BAC1CB
oklch(80.8% 0.016 257.2)
-
Step 400
400
#97A1B1
oklch(70.6% 0.026 259.8)
-
Step 500
500
#7D8B9E
oklch(63.2% 0.033 256.1)
-
Step 600
600 (this color)
#616F83
oklch(53.7% 0.036 257.3)
-
Step 700
700
#556274
oklch(49.2% 0.033 256.6)
-
Step 800
800
#46505E
oklch(42.8% 0.027 256.8)
-
Step 900
900
#3A424D
oklch(37.6% 0.022 256.4)
-
Step 950
950
#22272D
oklch(27% 0.013 253)
#616F83 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) | #687084 | 0.011 |
| Deuteranopia (no green cones) | #656C83 | 0.010 |
| Tritanopia (no blue cones) | #587375 | 0.032 |
| Achromatopsia (no color) | #6E6E6E | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616F83
#616F83
oklch(53.7% 0.036 257.3)
- #7A6C57
#7A6C57
oklch(53.9% 0.036 77.9)
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 #616F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.027
- Battleship Gray #6C757D ΔE 0.028
- Dim Gray #696969 ΔE 0.039
- Grey Blue #647D8E ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.042
- Slate #516572 ΔE 0.044
- Dull Blue #49759C ΔE 0.045
- Stormy Blue #507B9C ΔE 0.046
Use #616F83 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.