#617D77
Closest named color: Battleship Grey (#6B7C85). oklch(56.6% 0.034 180.5), rgb(97, 125, 119).
Aa
Black text reads best on this color (4.70:1).
About this color
#617D77 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.034 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.028 away. Black text reads best on it, at 4.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #617D77 |
| RGB | rgb(97, 125, 119) |
| HSL | hsl(167, 13%, 44%) |
| OKLCH | oklch(56.6% 0.034 180.5) |
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 #617D77 | 4.46:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #617D77 | 4.70:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #617D77 text on white | 4.46:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #617D77 text on black | 4.70:1 | AA | Lc -30.7 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B7C4C1
oklch(80.9% 0.015 180.6)
-
Step 400
400
#91A6A1
oklch(70.7% 0.025 179.6)
-
Step 500
500
#76908A
oklch(63.1% 0.031 179.7)
-
Step 600
600 (this color)
#617D77
oklch(56.6% 0.034 180.5)
-
Step 700
700
#4E6761
oklch(49.2% 0.031 178.6)
-
Step 800
800
#405450
oklch(42.8% 0.026 181.4)
-
Step 900
900
#364542
oklch(37.6% 0.02 181.7)
-
Step 950
950
#202927
oklch(27.2% 0.013 180.3)
#617D77 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) | #7A7A77 | 0.035 |
| Deuteranopia (no green cones) | #757677 | 0.033 |
| Tritanopia (no blue cones) | #5A7E7B | 0.009 |
| Achromatopsia (no color) | #777777 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617D77
#617D77
oklch(56.6% 0.034 180.5)
- #886E75
#886E75
oklch(56.6% 0.034 0.3)
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 #617D77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.028
- Battleship Gray #6C757D ΔE 0.031
- Steel Grey #6F828A ΔE 0.037
- Grey Blue #647D8E ΔE 0.037
- Medium Grey #7D7F7C ΔE 0.041
- Slate Gray #708090 ΔE 0.045
- Gray #808080 ΔE 0.048
- Steel #738595 ΔE 0.055
Use #617D77 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.