#616C87
Closest named color: Metallic Blue (#4F738E). oklch(53.2% 0.045 267.5), rgb(97, 108, 135).
Aa
White text reads best on this color (5.24:1).
About this color
#616C87 is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.045 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.028 away. White text reads best on it, at 5.24:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #616C87 |
| RGB | rgb(97, 108, 135) |
| HSL | hsl(223, 16%, 45%) |
| OKLCH | oklch(53.2% 0.045 267.5) |
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 #616C87 | 5.24:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #616C87 | 4.00:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #616C87 text on white | 5.24:1 | AA | Lc 76.0 | Fine for body text |
| #616C87 text on black | 4.00:1 | AA large text | Lc -25.7 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E1
oklch(88.5% 0.011 269.5)
-
Step 300
300
#BBC0CE
oklch(80.8% 0.02 270.2)
-
Step 400
400
#98A0B5
oklch(70.6% 0.032 269)
-
Step 500
500
#7E89A3
oklch(63% 0.041 267.1)
-
Step 600
600 (this color)
#616C87
oklch(53.2% 0.045 267.5)
-
Step 700
700
#566079
oklch(49% 0.042 267.8)
-
Step 800
800
#474F62
oklch(42.8% 0.033 267.1)
-
Step 900
900
#3B4150
oklch(37.6% 0.027 268)
-
Step 950
950
#23262F
oklch(26.9% 0.017 270.7)
#616C87 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) | #646E88 | 0.008 |
| Deuteranopia (no green cones) | #606B86 | 0.003 |
| Tritanopia (no blue cones) | #577175 | 0.040 |
| Achromatopsia (no color) | #6C6C6C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616C87
#616C87
oklch(53.2% 0.045 267.5)
- #776B4F
#776B4F
oklch(53.1% 0.044 87.5)
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 #616C87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.028
- Battleship Gray #6C757D ΔE 0.039
- Dull Blue #49759C ΔE 0.043
- Slate #516572 ΔE 0.044
- Dim Gray #696969 ΔE 0.046
- Stormy Blue #507B9C ΔE 0.048
- Grey Blue #647D8E ΔE 0.049
- Grey Purple #826D8C ΔE 0.052
Use #616C87 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.