#617786
Closest named color: Battleship Gray (#6C757D). oklch(55.7% 0.035 238.1), rgb(97, 119, 134).
Aa
White text reads best on this color (4.67:1).
About this color
#617786 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.035 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.019 away. White text reads best on it, at 4.67:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #617786 |
| RGB | rgb(97, 119, 134) |
| HSL | hsl(204, 16%, 45%) |
| OKLCH | oklch(55.7% 0.035 238.1) |
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 #617786 | 4.67:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #617786 | 4.49:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #617786 text on white | 4.67:1 | AA | Lc 72.5 | Content text, not long reading |
| #617786 text on black | 4.49:1 | AA large text | Lc -29.2 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
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
#B8C2CA
oklch(80.9% 0.016 241.8)
-
Step 400
400
#93A3AF
oklch(70.7% 0.025 240.2)
-
Step 500
500
#788D9B
oklch(63.2% 0.032 237.2)
-
Step 600
600 (this color)
#617786
oklch(55.7% 0.035 238.1)
-
Step 700
700
#506471
oklch(49.2% 0.032 236.8)
-
Step 800
800
#42515C
oklch(42.6% 0.026 240)
-
Step 900
900
#37434C
oklch(37.6% 0.022 240.6)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#617786 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) | #707687 | 0.021 |
| Deuteranopia (no green cones) | #6B7286 | 0.019 |
| Tritanopia (no blue cones) | #567B7C | 0.027 |
| Achromatopsia (no color) | #747474 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617786
#617786
oklch(55.7% 0.035 238.1)
- #846F60
#846F60
oklch(55.7% 0.035 57.5)
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 #617786, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.019
- Grey Blue #647D8E ΔE 0.020
- Battleship Grey #6B7C85 ΔE 0.022
- Metallic Blue #4F738E ΔE 0.030
- Slate Gray #708090 ΔE 0.036
- Stormy Blue #507B9C ΔE 0.036
- Steel Grey #6F828A ΔE 0.039
- Cerulean #457B9D ΔE 0.043
Use #617786 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.