#66867E
Closest named color: Steel Grey (#6F828A). oklch(59.3% 0.038 177.9), rgb(102, 134, 126).
Aa
Black text reads best on this color (5.27:1).
About this color
#66867E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.038 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.028 away. Black text reads best on it, at 5.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #66867E |
| RGB | rgb(102, 134, 126) |
| HSL | hsl(165, 14%, 46%) |
| OKLCH | oklch(59.3% 0.038 177.9) |
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 #66867E | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #66867E | 5.27:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #66867E text on white | 3.98:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #66867E text on black | 5.27:1 | AA | Lc -34.5 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B6C4C0
oklch(80.8% 0.016 177)
-
Step 400
400
#8FA7A0
oklch(70.8% 0.029 176)
-
Step 500
500
#739189
oklch(63.1% 0.036 177)
-
Step 600
600 (this color)
#66867E
oklch(59.3% 0.038 177.9)
-
Step 700
700
#4B6861
oklch(49.2% 0.036 178.2)
-
Step 800
800
#3E544F
oklch(42.6% 0.028 179.4)
-
Step 900
900
#354641
oklch(37.8% 0.023 175.1)
-
Step 950
950
#1F2926
oklch(27% 0.015 174.9)
#66867E 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) | #83827E | 0.040 |
| Deuteranopia (no green cones) | #7D7E7F | 0.038 |
| Tritanopia (no blue cones) | #5E8784 | 0.012 |
| Achromatopsia (no color) | #7F7F7F | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66867E
#66867E
oklch(59.3% 0.038 177.9)
- #92757E
#92757E
oklch(59.3% 0.038 357.8)
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 #66867E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.028
- Medium Grey #7D7F7C ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.036
- Slate Green #658D6D ΔE 0.038
- Gray #808080 ΔE 0.039
- Slate Gray #708090 ΔE 0.040
- Steel #738595 ΔE 0.042
Use #66867E 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.