#618494
Closest named color: Grey Blue (#647D8E). oklch(59.3% 0.046 227.9), rgb(97, 132, 148).
Aa
Black text reads best on this color (5.23:1).
About this color
#618494 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.046 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.020 away. Black text reads best on it, at 5.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.23:1 |
| White text | 4.01:1 |
Values
| HEX | #618494 |
| RGB | rgb(97, 132, 148) |
| HSL | hsl(199, 21%, 48%) |
| OKLCH | oklch(59.3% 0.046 227.9) |
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 #618494 | 4.01:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #618494 | 5.23:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #618494 text on white | 4.01:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #618494 text on black | 5.23:1 | AA | Lc -34.3 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B3C4CB
oklch(80.9% 0.021 224.4)
-
Step 400
400
#8CA5B1
oklch(70.7% 0.033 228.4)
-
Step 500
500
#6F8F9E
oklch(63.1% 0.042 228.2)
-
Step 600
600 (this color)
#618494
oklch(59.3% 0.046 227.9)
-
Step 700
700
#466674
oklch(49.1% 0.043 227)
-
Step 800
800
#3A535E
oklch(42.6% 0.035 227)
-
Step 900
900
#32454D
oklch(37.8% 0.028 225.7)
-
Step 950
950
#1E282D
oklch(27% 0.017 229.8)
#618494 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) | #7C8295 | 0.036 |
| Deuteranopia (no green cones) | #747C94 | 0.032 |
| Tritanopia (no blue cones) | #508989 | 0.032 |
| Achromatopsia (no color) | #7F7F7F | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618494
#618494
oklch(59.3% 0.046 227.9)
- #967666
#967666
oklch(59.2% 0.047 47.9)
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 #618494, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.020
- Slate Gray #708090 ΔE 0.020
- Steel Grey #6F828A ΔE 0.021
- Steel #738595 ΔE 0.024
- Battleship Grey #6B7C85 ΔE 0.028
- Light Slate Gray #778899 ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.038
- Stormy Blue #507B9C ΔE 0.039
Use #618494 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.