#66827A
Closest named color: Steel Grey (#6F828A). oklch(58.2% 0.034 175.7), rgb(102, 130, 122).
Aa
Black text reads best on this color (5.03:1).
About this color
#66827A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.034 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.029 away. Black text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.03:1 |
| White text | 4.16:1 |
Values
| HEX | #66827A |
| RGB | rgb(102, 130, 122) |
| HSL | hsl(163, 12%, 45%) |
| OKLCH | oklch(58.2% 0.034 175.7) |
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 #66827A | 4.16:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #66827A | 5.03:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #66827A text on white | 4.16:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #66827A text on black | 5.03:1 | AA | Lc -33.0 | 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
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D4DBD9
oklch(88.5% 0.008 177.3)
-
Step 300
300
#B7C4C0
oklch(80.9% 0.015 175.6)
-
Step 400
400
#91A6A0
oklch(70.7% 0.025 176.5)
-
Step 500
500
#769088
oklch(63.1% 0.032 174.6)
-
Step 600
600 (this color)
#66827A
oklch(58.2% 0.034 175.7)
-
Step 700
700
#4E6760
oklch(49.1% 0.032 175.9)
-
Step 800
800
#40544E
oklch(42.7% 0.027 174.7)
-
Step 900
900
#364541
oklch(37.6% 0.02 177.1)
-
Step 950
950
#202926
oklch(27.1% 0.014 173)
#66827A 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) | #807E7A | 0.037 |
| Deuteranopia (no green cones) | #7B7B7B | 0.034 |
| Tritanopia (no blue cones) | #5F8380 | 0.011 |
| Achromatopsia (no color) | #7C7C7C | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66827A
#66827A
oklch(58.2% 0.034 175.7)
- #8D737C
#8D737C
oklch(58.3% 0.035 355.5)
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 #66827A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.029
- Medium Grey #7D7F7C ΔE 0.033
- Gray #808080 ΔE 0.039
- Grey Blue #647D8E ΔE 0.039
- Slate Gray #708090 ΔE 0.040
- Battleship Gray #6C757D ΔE 0.041
- Slate Green #658D6D ΔE 0.044
Use #66827A 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.