#1B6C9E#1B6C9E
#1B6C9E is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.9% C 0.109 H 241.7°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).
Color values
| HEX | #1B6C9E |
|---|---|
| RGB | rgb(27, 108, 158) |
| HSL | hsl(203, 71%, 36%) |
| HSV | hsv(203, 83%, 62%) |
| CMYK | cmyk(82.9%, 31.6%, 0%, 38%) |
| CIE-LAB | lab(43.40, -5.30, -33.68) |
| CIE-LCH | lch(43.40, 34.09, 261.05°) |
| OKLab | oklab(50.91% -0.0515 -0.0956) |
| OKLCH | oklch(50.91% 0.109 241.7) |
| XYZ | xyz(11.9837, 13.4253, 34.3009) |
| Luminance | 0.1343 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 2.58
Muted Blue
#3B719F
ΔE00 3.42
Ugly Blue
#31668A
ΔE00 3.57
Ocean Blue (survey)
#03719C
ΔE00 3.66
Flat Blue
#3C73A8
ΔE00 4.58
Mid Blue
#276AB3
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B6C9E #9E4D1B
analogous
#1B9E8F #1B6C9E #1B2A9E
triadic
#1B6C9E #9E1B6C #6C9E1B
tetradic
#1B6C9E #8F1B9E #9E4D1B #2A9E1B
square
#1B6C9E #8F1B9E #9E4D1B #2A9E1B
split-complementary
#1B6C9E #9E1B2A #9E8F1B
monochromatic
#092535 #12486A #1B6C9E #2490D2 #52ABE1
Accessibility & contrast
On white
5.70
#1B6C9E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.69
#1B6C9E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B6C9E
5.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B6C9E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B6C9E | 1.00 | 5.70 | 3.69 | 5.70 |
| #FFFFFF | 5.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#546DA0
Deuteranopia (green-blind)
#42619D
Tritanopia (blue-blind)
#00787E
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #1b6c9e; /* rgb */ color: rgb(27, 108, 158); /* oklch */ color: oklch(50.9% 0.109 241.7);
Tailwind
colors: {
custom: {
50: '#6e95bb',
500: '#1b6c9e',
950: '#000000',
},
}SCSS
$custom: #1b6c9e; $custom-light: #6e95bb; $custom-dark: #000000;
JSON
{
"hex": "#1b6c9e",
"rgb": {
"r": 27,
"g": 108,
"b": 158
},
"hsl": {
"h": 202.901,
"s": 70.811,
"l": 36.275
},
"oklch": {
"l": 0.50909,
"c": 0.10856,
"h": 241.7
},
"luminance": 0.13427
}Semantic roles & 50–950 ramp
primary
#1B6C9E
secondary
#C47D51
accent
#7F3AEE
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#080D12
muted
#7B7E81