#617582
Closest named color: Battleship Gray (#6C757D). oklch(55.1% 0.031 236.6), rgb(97, 117, 130).
Aa
White text reads best on this color (4.79:1).
About this color
#617582 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.031 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.016 away. White text reads best on it, at 4.79:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #617582 |
| RGB | rgb(97, 117, 130) |
| HSL | hsl(204, 15%, 45%) |
| OKLCH | oklch(55.1% 0.031 236.6) |
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 #617582 | 4.79:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #617582 | 4.37:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #617582 text on white | 4.79:1 | AA | Lc 73.3 | Content text, not long reading |
| #617582 text on black | 4.37:1 | AA large text | Lc -28.4 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B9C2C9
oklch(80.9% 0.014 241)
-
Step 400
400
#94A3AD
oklch(70.7% 0.022 236.9)
-
Step 500
500
#7A8D99
oklch(63.2% 0.028 235.6)
-
Step 600
600 (this color)
#617582
oklch(55.1% 0.031 236.6)
-
Step 700
700
#51646F
oklch(49.2% 0.029 233.6)
-
Step 800
800
#43515B
oklch(42.7% 0.024 239.2)
-
Step 900
900
#38434A
oklch(37.6% 0.019 235.9)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#617582 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) | #6F7483 | 0.020 |
| Deuteranopia (no green cones) | #6B7182 | 0.017 |
| Tritanopia (no blue cones) | #587879 | 0.023 |
| Achromatopsia (no color) | #727272 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617582
#617582
oklch(55.1% 0.031 236.6)
- #816E60
#816E60
oklch(55.2% 0.032 58.4)
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 #617582, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.016
- Battleship Grey #6B7C85 ΔE 0.026
- Grey Blue #647D8E ΔE 0.027
- Metallic Blue #4F738E ΔE 0.030
- Stormy Blue #507B9C ΔE 0.042
- Slate Gray #708090 ΔE 0.042
- Dim Gray #696969 ΔE 0.043
- Steel Grey #6F828A ΔE 0.044
Use #617582 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.