#617E75
Closest named color: Battleship Grey (#6B7C85). oklch(56.8% 0.036 174), rgb(97, 126, 117).
Aa
Black text reads best on this color (4.74:1).
About this color
#617E75 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.036 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.032 away. Black text reads best on it, at 4.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #617E75 |
| RGB | rgb(97, 126, 117) |
| HSL | hsl(161, 13%, 44%) |
| OKLCH | oklch(56.8% 0.036 174) |
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 #617E75 | 4.42:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #617E75 | 4.74:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #617E75 text on white | 4.42:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #617E75 text on black | 4.74:1 | AA | Lc -31.0 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD8
oklch(88.4% 0.01 171.8)
-
Step 300
300
#B7C4C0
oklch(80.9% 0.015 175.6)
-
Step 400
400
#91A69F
oklch(70.7% 0.026 173.5)
-
Step 500
500
#759088
oklch(63% 0.033 175.3)
-
Step 600
600 (this color)
#617E75
oklch(56.8% 0.036 174)
-
Step 700
700
#4D675F
oklch(49% 0.033 174)
-
Step 800
800
#3F544E
oklch(42.6% 0.028 175.5)
-
Step 900
900
#364541
oklch(37.6% 0.02 177.1)
-
Step 950
950
#202926
oklch(27.1% 0.014 173)
#617E75 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) | #7C7A75 | 0.038 |
| Deuteranopia (no green cones) | #777676 | 0.037 |
| Tritanopia (no blue cones) | #5A7F7B | 0.011 |
| Achromatopsia (no color) | #787878 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617E75
#617E75
oklch(56.8% 0.036 174)
- #896E78
#896E78
oklch(56.8% 0.037 354.1)
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 #617E75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.032
- Battleship Gray #6C757D ΔE 0.036
- Steel Grey #6F828A ΔE 0.039
- Grey Blue #647D8E ΔE 0.041
- Medium Grey #7D7F7C ΔE 0.042
- Slate Gray #708090 ΔE 0.048
- Gray #808080 ΔE 0.048
- Slate Green #658D6D ΔE 0.051
Use #617E75 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.