#668797
Closest named color: Steel (#738595). oklch(60.4% 0.044 229.2), rgb(102, 135, 151).
Aa
Black text reads best on this color (5.47:1).
About this color
#668797 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.044 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.017 away. Black text reads best on it, at 5.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #668797 |
| RGB | rgb(102, 135, 151) |
| HSL | hsl(200, 19%, 50%) |
| OKLCH | oklch(60.4% 0.044 229.2) |
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 #668797 | 3.83:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #668797 | 5.47:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #668797 text on white | 3.83:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #668797 text on black | 5.47:1 | AA | Lc -35.9 | 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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B3C4CC
oklch(81% 0.022 227.6)
-
Step 400
400
#8BA5B2
oklch(70.6% 0.035 229.5)
-
Step 500
500 (this color)
#668797
oklch(60.4% 0.044 229.2)
-
Step 600
600
#55798A
oklch(55.5% 0.048 228.9)
-
Step 700
700
#456675
oklch(49.1% 0.045 228.1)
-
Step 800
800
#39535F
oklch(42.6% 0.037 228.3)
-
Step 900
900
#32454E
oklch(37.8% 0.029 228.7)
-
Step 950
950
#1D282E
oklch(26.9% 0.019 232.2)
#668797 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) | #7F8598 | 0.033 |
| Deuteranopia (no green cones) | #788097 | 0.029 |
| Tritanopia (no blue cones) | #568C8C | 0.032 |
| Achromatopsia (no color) | #828282 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668797
#668797
oklch(60.4% 0.044 229.2)
- #987A6A
#987A6A
oklch(60.4% 0.044 49.6)
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 #668797, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.017
- Slate Gray #708090 ΔE 0.022
- Steel Grey #6F828A ΔE 0.022
- Light Slate Gray #778899 ΔE 0.023
- Grey Blue #647D8E ΔE 0.029
- Blue Grey #758DA3 ΔE 0.031
- Battleship Grey #6B7C85 ΔE 0.035
- Dusty Blue #5A86AD ΔE 0.037
Use #668797 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.