#616585
Closest named color: Slate (#516572). oklch(51.6% 0.051 278.9), rgb(97, 101, 133).
Aa
White text reads best on this color (5.66:1).
About this color
#616585 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.051 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.040 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #616585 |
| RGB | rgb(97, 101, 133) |
| HSL | hsl(233, 16%, 45%) |
| OKLCH | oklch(51.6% 0.051 278.9) |
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 #616585 | 5.66:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #616585 | 3.70:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #616585 text on white | 5.66:1 | AA | Lc 78.3 | Fine for body text |
| #616585 text on black | 3.70:1 | AA large text | Lc -23.5 | 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 700.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D7D8E2
oklch(88.4% 0.014 281.5)
-
Step 300
300
#BDBFD1
oklch(80.9% 0.025 280.8)
-
Step 400
400
#9B9FB9
oklch(70.8% 0.038 278.5)
-
Step 500
500
#8287A8
oklch(63.1% 0.05 278.1)
-
Step 600
600
#6C7093
oklch(55.5% 0.054 279.4)
-
Step 700
700 (this color)
#616585
oklch(51.6% 0.051 278.9)
-
Step 800
800
#4A4D66
oklch(42.8% 0.042 279.2)
-
Step 900
900
#3E4053
oklch(37.7% 0.033 280)
-
Step 950
950
#242631
oklch(27.1% 0.021 276.9)
#616585 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) | #5C6886 | 0.010 |
| Deuteranopia (no green cones) | #5A6684 | 0.011 |
| Tritanopia (no blue cones) | #586B70 | 0.045 |
| Achromatopsia (no color) | #676767 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616585
#616585
oklch(51.6% 0.051 278.9)
- #6F6846
#6F6846
oklch(51.5% 0.051 97.9)
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 #616585, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.040
- Metallic Blue #4F738E ΔE 0.043
- Dusty Grape #545775 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.050
- Denim #3B638C ΔE 0.051
- Dim Gray #696969 ΔE 0.051
- Dull Blue #49759C ΔE 0.055
- Dusty Purple #825F87 ΔE 0.055
Use #616585 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.