#1B6478#1B6478
#1B6478 is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 46.9% C 0.076 H 220.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).
Color values
| HEX | #1B6478 |
|---|---|
| RGB | rgb(27, 100, 120) |
| HSL | hsl(193, 63%, 29%) |
| HSV | hsv(193, 78%, 47%) |
| CMYK | cmyk(77.5%, 16.7%, 0%, 52.9%) |
| CIE-LAB | lab(39.07, -14.69, -17.56) |
| CIE-LCH | lch(39.07, 22.90, 230.08°) |
| OKLab | oklab(46.88% -0.0576 -0.0491) |
| OKLCH | oklch(46.88% 0.076 220.4) |
| XYZ | xyz(8.3979, 10.7024, 19.3888) |
| Luminance | 0.1070 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 5.19
Sea Blue
#047495
ΔE00 6.84
Ugly Blue
#31668A
ΔE00 8.17
Ocean
#017B92
ΔE00 8.21
Ocean Blue (survey)
#03719C
ΔE00 8.67
Peacock Blue
#016795
ΔE00 8.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B6478 #782F1B
analogous
#1B785E #1B6478 #1B3678
triadic
#1B6478 #781B64 #64781B
tetradic
#1B6478 #5E1B78 #782F1B #36781B
square
#1B6478 #5E1B78 #782F1B #36781B
split-complementary
#1B6478 #781B36 #785E1B
monochromatic
#061519 #103A46 #1B6478 #268EAA #3BB2D3
Accessibility & contrast
On white
6.69
#1B6478 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#1B6478 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B6478
6.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B6478 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B6478 | 1.00 | 6.69 | 3.14 | 6.69 |
| #FFFFFF | 6.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#586179
Deuteranopia (green-blind)
#4B5878
Tritanopia (blue-blind)
#006A6A
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #1b6478; /* rgb */ color: rgb(27, 100, 120); /* oklch */ color: oklch(46.9% 0.076 220.4);
Tailwind
colors: {
custom: {
50: '#67909f',
500: '#1b6478',
950: '#000000',
},
}SCSS
$custom: #1b6478; $custom-light: #67909f; $custom-dark: #000000;
JSON
{
"hex": "#1b6478",
"rgb": {
"r": 27,
"g": 100,
"b": 120
},
"hsl": {
"h": 192.903,
"s": 63.265,
"l": 28.824
},
"oklch": {
"l": 0.46882,
"c": 0.07571,
"h": 220.4
},
"luminance": 0.10703
}Semantic roles & 50–950 ramp
primary
#1B6478
secondary
#AC5943
accent
#6541E6
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0E
muted
#7A7D7E