#66868F
Closest named color: Steel Grey (#6F828A). oklch(59.9% 0.039 216.9), rgb(102, 134, 143).
Aa
Black text reads best on this color (5.37:1).
About this color
#66868F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.039 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.015 away. Black text reads best on it, at 5.37:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #66868F |
| RGB | rgb(102, 134, 143) |
| HSL | hsl(193, 17%, 48%) |
| OKLCH | oklch(59.9% 0.039 216.9) |
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 #66868F | 3.90:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #66868F | 5.37:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #66868F text on white | 3.90:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #66868F text on black | 5.37:1 | AA | Lc -35.2 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDE
oklch(88.5% 0.011 219.6)
-
Step 300
300
#B4C4C9
oklch(81% 0.019 218.4)
-
Step 400
400
#8CA6AD
oklch(70.8% 0.031 215.8)
-
Step 500
500 (this color)
#66868F
oklch(59.9% 0.039 216.9)
-
Step 600
600
#577A83
oklch(55.6% 0.042 215.4)
-
Step 700
700
#47666F
oklch(49% 0.039 217.8)
-
Step 800
800
#3B545B
oklch(42.8% 0.032 217)
-
Step 900
900
#32454A
oklch(37.6% 0.025 215.7)
-
Step 950
950
#1E282C
oklch(26.9% 0.016 224.2)
#66868F 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) | #808490 | 0.035 |
| Deuteranopia (no green cones) | #797F8F | 0.031 |
| Tritanopia (no blue cones) | #598989 | 0.021 |
| Achromatopsia (no color) | #818181 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66868F
#66868F
oklch(59.9% 0.039 216.9)
- #957870
#957870
oklch(59.8% 0.038 35.9)
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 #66868F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.015
- Steel #738595 ΔE 0.020
- Slate Gray #708090 ΔE 0.021
- Grey Blue #647D8E ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.028
- Light Slate Gray #778899 ΔE 0.029
- Medium Grey #7D7F7C ΔE 0.039
- Gray #808080 ΔE 0.039
Use #66868F 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.