#617F84
Closest named color: Battleship Grey (#6B7C85). oklch(57.5% 0.035 208.8), rgb(97, 127, 132).
Aa
Black text reads best on this color (4.87:1).
About this color
#617F84 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.035 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.015 away. Black text reads best on it, at 4.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #617F84 |
| RGB | rgb(97, 127, 132) |
| HSL | hsl(189, 15%, 45%) |
| OKLCH | oklch(57.5% 0.035 208.8) |
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 #617F84 | 4.30:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #617F84 | 4.87:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #617F84 text on white | 4.30:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #617F84 text on black | 4.87:1 | AA | Lc -31.9 | 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
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D3DBDC
oklch(88.6% 0.009 205.9)
-
Step 300
300
#B6C4C6
oklch(81% 0.016 207.1)
-
Step 400
400
#8FA5A9
oklch(70.6% 0.025 209.8)
-
Step 500
500
#738F94
oklch(63% 0.033 209.6)
-
Step 600
600 (this color)
#617F84
oklch(57.5% 0.035 208.8)
-
Step 700
700
#4B666B
oklch(49.1% 0.033 210.2)
-
Step 800
800
#3E5357
oklch(42.6% 0.027 210.5)
-
Step 900
900
#354548
oklch(37.8% 0.021 210.3)
-
Step 950
950
#1F282A
oklch(26.9% 0.013 212.7)
#617F84 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) | #7A7D84 | 0.034 |
| Deuteranopia (no green cones) | #747884 | 0.031 |
| Tritanopia (no blue cones) | #568280 | 0.018 |
| Achromatopsia (no color) | #7A7A7A | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617F84
#617F84
oklch(57.5% 0.035 208.8)
- #8D716D
#8D716D
oklch(57.5% 0.036 27.7)
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 #617F84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.015
- Grey Blue #647D8E ΔE 0.019
- Steel Grey #6F828A ΔE 0.023
- Slate Gray #708090 ΔE 0.029
- Battleship Gray #6C757D ΔE 0.030
- Medium Grey #7D7F7C ΔE 0.039
- Steel #738595 ΔE 0.039
- Gray #808080 ΔE 0.043
Use #617F84 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.