#66949F
Closest named color: Blue Grey (#758DA3). oklch(63.7% 0.052 214.3), rgb(102, 148, 159).
Aa
Black text reads best on this color (6.30:1).
About this color
#66949F is a medium-light, muted teal or cyan. In OKLCH its lightness is 64%, its chroma 0.052 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.028 away. Black text reads best on it, at 6.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.30:1 |
| White text | 3.33:1 |
Values
| HEX | #66949F |
| RGB | rgb(102, 148, 159) |
| HSL | hsl(192, 23%, 51%) |
| OKLCH | oklch(63.7% 0.052 214.3) |
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 #66949F | 3.33:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #66949F | 6.30:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #66949F text on white | 3.33:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #66949F text on black | 6.30:1 | AA | Lc -41.0 | 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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300
#AFC5CB
oklch(80.9% 0.025 215.9)
-
Step 400
400
#84A8B0
oklch(70.8% 0.041 212.8)
-
Step 500
500 (this color)
#66949F
oklch(63.7% 0.052 214.3)
-
Step 600
600
#4A7C88
oklch(55.6% 0.057 214.8)
-
Step 700
700
#3B6973
oklch(49.2% 0.053 213.2)
-
Step 800
800
#31555E
oklch(42.6% 0.044 215.5)
-
Step 900
900
#2C464D
oklch(37.6% 0.034 216.5)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#66949F 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) | #8C91A0 | 0.048 |
| Deuteranopia (no green cones) | #828A9F | 0.043 |
| Tritanopia (no blue cones) | #519997 | 0.030 |
| Achromatopsia (no color) | #8D8D8D | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66949F
#66949F
oklch(63.7% 0.052 214.3)
- #A98076
#A98076
oklch(63.7% 0.053 34.1)
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 #66949F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.028
- Cadet Blue #5F9EA0 ΔE 0.029
- Silver Lake Blue #778DA9 ΔE 0.035
- Light Slate Gray #778899 ΔE 0.036
- Steel #738595 ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.045
- Sea #3C9992 ΔE 0.048
Use #66949F 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.