#617E79
Closest named color: Battleship Grey (#6B7C85). oklch(56.9% 0.034 183.4), rgb(97, 126, 121).
Aa
Black text reads best on this color (4.76:1).
About this color
#617E79 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.034 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.026 away. Black text reads best on it, at 4.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #617E79 |
| RGB | rgb(97, 126, 121) |
| HSL | hsl(170, 13%, 44%) |
| OKLCH | oklch(56.9% 0.034 183.4) |
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 #617E79 | 4.40:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #617E79 | 4.76:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #617E79 text on white | 4.40:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #617E79 text on black | 4.76:1 | AA | Lc -31.1 | 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
#B6C4C1
oklch(80.9% 0.016 181.7)
-
Step 400
400
#90A6A2
oklch(70.7% 0.025 183.4)
-
Step 500
500
#75908B
oklch(63.1% 0.031 182.8)
-
Step 600
600 (this color)
#617E79
oklch(56.9% 0.034 183.4)
-
Step 700
700
#4D6762
oklch(49.1% 0.032 181.8)
-
Step 800
800
#3F5450
oklch(42.7% 0.027 182)
-
Step 900
900
#364543
oklch(37.7% 0.02 186.4)
-
Step 950
950
#202927
oklch(27.2% 0.013 180.3)
#617E79 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) | #7B7B79 | 0.036 |
| Deuteranopia (no green cones) | #767779 | 0.034 |
| Tritanopia (no blue cones) | #597F7C | 0.010 |
| Achromatopsia (no color) | #787878 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617E79
#617E79
oklch(56.9% 0.034 183.4)
- #896F75
#896F75
oklch(56.9% 0.034 2.7)
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 #617E79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.026
- Battleship Gray #6C757D ΔE 0.032
- Steel Grey #6F828A ΔE 0.034
- Grey Blue #647D8E ΔE 0.035
- Medium Grey #7D7F7C ΔE 0.040
- Slate Gray #708090 ΔE 0.042
- Gray #808080 ΔE 0.046
- Steel #738595 ΔE 0.052
Use #617E79 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.