#1B668C#1B668C
#1B668C is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.4% C 0.093 H 236.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).
Color values
| HEX | #1B668C |
|---|---|
| RGB | rgb(27, 102, 140) |
| HSL | hsl(200, 68%, 33%) |
| HSV | hsv(200, 81%, 55%) |
| CMYK | cmyk(80.7%, 27.1%, 0%, 45.1%) |
| CIE-LAB | lab(40.62, -8.52, -27.29) |
| CIE-LCH | lch(40.62, 28.59, 252.67°) |
| OKLab | oklab(48.41% -0.0519 -0.0771) |
| OKLCH | oklch(48.41% 0.093 236.1) |
| XYZ | xyz(9.9351, 11.6280, 26.5267) |
| Luminance | 0.1163 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 1.79
Ugly Blue
#31668A
ΔE00 2.34
Ocean Blue (survey)
#03719C
ΔE00 4.09
Denim (survey)
#3B638C
ΔE00 5.80
Sea Blue
#047495
ΔE00 6.06
Muted Blue
#3B719F
ΔE00 6.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B668C #8C411B
analogous
#1B8C79 #1B668C #1B2D8C
triadic
#1B668C #8C1B66 #668C1B
tetradic
#1B668C #791B8C #8C411B #2D8C1B
square
#1B668C #791B8C #8C411B #2D8C1B
split-complementary
#1B668C #8C1B2D #8C791B
monochromatic
#071B25 #114159 #1B668C #258BBF #46A9DB
Accessibility & contrast
On white
6.31
#1B668C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.33
#1B668C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B668C
6.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B668C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B668C | 1.00 | 6.31 | 3.33 | 6.31 |
| #FFFFFF | 6.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#54668E
Deuteranopia (green-blind)
#445B8B
Tritanopia (blue-blind)
#007073
Achromatopsia (no color)
#606060
Design tokens & code
CSS
--color: #1b668c; /* rgb */ color: rgb(27, 102, 140); /* oklch */ color: oklch(48.4% 0.093 236.1);
Tailwind
colors: {
custom: {
50: '#6b91ad',
500: '#1b668c',
950: '#000000',
},
}SCSS
$custom: #1b668c; $custom-light: #6b91ad; $custom-dark: #000000;
JSON
{
"hex": "#1b668c",
"rgb": {
"r": 27,
"g": 102,
"b": 140
},
"hsl": {
"h": 200.177,
"s": 67.665,
"l": 32.745
},
"oklch": {
"l": 0.48412,
"c": 0.09291,
"h": 236.1
},
"luminance": 0.11629
}Semantic roles & 50–950 ramp
primary
#1B668C
secondary
#BD6E46
accent
#783DEB
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F