#668B92
Closest named color: Steel (#738595). oklch(61.2% 0.042 210.5), rgb(102, 139, 146).
Aa
Black text reads best on this color (5.67:1).
About this color
#668B92 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.042 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.025 away. Black text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #668B92 |
| RGB | rgb(102, 139, 146) |
| HSL | hsl(190, 18%, 49%) |
| OKLCH | oklch(61.2% 0.042 210.5) |
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 #668B92 | 3.70:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #668B92 | 5.67:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #668B92 text on white | 3.70:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #668B92 text on black | 5.67:1 | AA | Lc -37.1 | 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 500.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D1DBDD
oklch(88.4% 0.011 211)
-
Step 300
300
#B2C5C8
oklch(81% 0.021 208.1)
-
Step 400
400
#89A7AC
oklch(70.7% 0.034 208.8)
-
Step 500
500 (this color)
#668B92
oklch(61.2% 0.042 210.5)
-
Step 600
600
#537B82
oklch(55.6% 0.046 209.6)
-
Step 700
700
#43686E
oklch(49.2% 0.043 208.7)
-
Step 800
800
#38545A
oklch(42.6% 0.035 212.5)
-
Step 900
900
#30464A
oklch(37.8% 0.028 210)
-
Step 950
950
#1C292B
oklch(27% 0.018 207.9)
#668B92 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) | #858892 | 0.041 |
| Deuteranopia (no green cones) | #7D8292 | 0.038 |
| Tritanopia (no blue cones) | #578E8D | 0.021 |
| Achromatopsia (no color) | #858585 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668B92
#668B92
oklch(61.2% 0.042 210.5)
- #9C7B74
#9C7B74
oklch(61.3% 0.043 32.1)
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 #668B92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.025
- Steel Grey #6F828A ΔE 0.026
- Light Slate Gray #778899 ΔE 0.027
- Slate Gray #708090 ΔE 0.032
- Blue Grey #758DA3 ΔE 0.034
- Dusty Teal #4C9085 ΔE 0.040
- Grey Blue #647D8E ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.042
Use #668B92 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.