#618290
Closest named color: Grey Blue (#647D8E). oklch(58.7% 0.043 225.9), rgb(97, 130, 144).
Aa
Black text reads best on this color (5.10:1).
About this color
#618290 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.043 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.014 away. Black text reads best on it, at 5.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #618290 |
| RGB | rgb(97, 130, 144) |
| HSL | hsl(198, 20%, 47%) |
| OKLCH | oklch(58.7% 0.043 225.9) |
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 #618290 | 4.11:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #618290 | 5.10:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #618290 text on white | 4.11:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #618290 text on black | 5.10:1 | AA | Lc -33.4 | 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
#B4C3CA
oklch(80.8% 0.019 227.3)
-
Step 400
400
#8DA5B0
oklch(70.7% 0.031 227.2)
-
Step 500
500
#708F9C
oklch(63.1% 0.04 225.4)
-
Step 600
600 (this color)
#618290
oklch(58.7% 0.043 225.9)
-
Step 700
700
#486672
oklch(49.2% 0.04 224.7)
-
Step 800
800
#3B535D
oklch(42.7% 0.034 225.6)
-
Step 900
900
#33454C
oklch(37.8% 0.026 223.7)
-
Step 950
950
#1E282D
oklch(27% 0.017 229.8)
#618290 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) | #7A8091 | 0.033 |
| Deuteranopia (no green cones) | #737B90 | 0.030 |
| Tritanopia (no blue cones) | #518686 | 0.029 |
| Achromatopsia (no color) | #7D7D7D | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618290
#618290
oklch(58.7% 0.043 225.9)
- #937567
#937567
oklch(58.7% 0.043 46.3)
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 #618290, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.014
- Steel Grey #6F828A ΔE 0.019
- Slate Gray #708090 ΔE 0.020
- Battleship Grey #6B7C85 ΔE 0.022
- Steel #738595 ΔE 0.027
- Light Slate Gray #778899 ΔE 0.037
- Stormy Blue #507B9C ΔE 0.038
- Battleship Gray #6C757D ΔE 0.040
Use #618290 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.