#1B4672#1B4672
#1B4672 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.8% C 0.089 H 251.6°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).
Color values
| HEX | #1B4672 |
|---|---|
| RGB | rgb(27, 70, 114) |
| HSL | hsl(210, 62%, 28%) |
| HSV | hsv(210, 76%, 45%) |
| CMYK | cmyk(76.3%, 38.6%, 0%, 55.3%) |
| CIE-LAB | lab(28.97, 1.61, -29.61) |
| CIE-LCH | lch(28.97, 29.65, 273.12°) |
| OKLab | oklab(38.76% -0.028 -0.0843) |
| OKLCH | oklch(38.76% 0.089 251.6) |
| XYZ | xyz(5.6783, 5.8276, 16.7419) |
| Luminance | 0.0583 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 1.75
Prussian Blue
#004577
ΔE00 1.85
Darkish Blue
#014182
ΔE00 2.97
Light Navy
#155084
ΔE00 3.86
Cobalt (survey)
#1E488F
ΔE00 4.23
Marine Blue
#01386A
ΔE00 4.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B4672 #72471B
analogous
#1B7172 #1B4672 #1C1B72
triadic
#1B4672 #721B46 #46721B
tetradic
#1B4672 #721B71 #72471B #1B721C
square
#1B4672 #721B71 #72471B #1B721C
split-complementary
#1B4672 #721C1B #71721B
monochromatic
#060F19 #0F2841 #1B4672 #2764A3 #3883D0
Accessibility & contrast
On white
9.70
#1B4672 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.17
#1B4672 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B4672
9.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B4672 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B4672 | 1.00 | 9.70 | 2.17 | 9.70 |
| #FFFFFF | 9.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#324974
Deuteranopia (green-blind)
#254171
Tritanopia (blue-blind)
#005056
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #1b4672; /* rgb */ color: rgb(27, 70, 114); /* oklch */ color: oklch(38.8% 0.089 251.6);
Tailwind
colors: {
custom: {
50: '#64799b',
500: '#1b4672',
950: '#000000',
},
}SCSS
$custom: #1b4672; $custom-light: #64799b; $custom-dark: #000000;
JSON
{
"hex": "#1b4672",
"rgb": {
"r": 27,
"g": 70,
"b": 114
},
"hsl": {
"h": 210.345,
"s": 61.702,
"l": 27.647
},
"oklch": {
"l": 0.38764,
"c": 0.08879,
"h": 251.6
},
"luminance": 0.05828
}Semantic roles & 50–950 ramp
primary
#1B4672
secondary
#A77542
accent
#9543E5
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06090E
muted
#7A7B7E