#617B83
Closest named color: Battleship Grey (#6B7C85). oklch(56.5% 0.033 218.5), rgb(97, 123, 131).
Aa
Black text reads best on this color (4.66:1).
About this color
#617B83 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.033 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.014 away. Black text reads best on it, at 4.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.66:1 |
| White text | 4.49:1 |
Values
| HEX | #617B83 |
| RGB | rgb(97, 123, 131) |
| HSL | hsl(194, 15%, 45%) |
| OKLCH | oklch(56.5% 0.033 218.5) |
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 #617B83 | 4.49:1 | AA large text | Lc -76.7 | Fine for body text |
| Black text on #617B83 | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #617B83 text on white | 4.49:1 | AA large text | Lc 71.2 | Content text, not long reading |
| #617B83 text on black | 4.66:1 | AA | Lc -30.5 | Non-text elements, placeholder text |
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
#D3DADD
oklch(88.4% 0.009 225.1)
-
Step 300
300
#B7C3C7
oklch(80.9% 0.014 219.6)
-
Step 400
400
#91A4AA
oklch(70.6% 0.023 218.7)
-
Step 500
500
#768E96
oklch(63.1% 0.03 220)
-
Step 600
600 (this color)
#617B83
oklch(56.5% 0.033 218.5)
-
Step 700
700
#4E656C
oklch(49.1% 0.03 218.3)
-
Step 800
800
#405358
oklch(42.8% 0.025 215.6)
-
Step 900
900
#364449
oklch(37.6% 0.02 221.6)
-
Step 950
950
#20282A
oklch(27% 0.012 214.5)
#617B83 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) | #767983 | 0.029 |
| Deuteranopia (no green cones) | #707583 | 0.026 |
| Tritanopia (no blue cones) | #577E7D | 0.020 |
| Achromatopsia (no color) | #777777 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617B83
#617B83
oklch(56.5% 0.033 218.5)
- #887068
#887068
oklch(56.6% 0.033 39.3)
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 #617B83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.014
- Grey Blue #647D8E ΔE 0.018
- Battleship Gray #6C757D ΔE 0.021
- Steel Grey #6F828A ΔE 0.030
- Slate Gray #708090 ΔE 0.032
- Metallic Blue #4F738E ΔE 0.041
- Stormy Blue #507B9C ΔE 0.042
- Medium Grey #7D7F7C ΔE 0.043
Use #617B83 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.