#1B4E68#1B4E68
#1B4E68 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.2% C 0.069 H 234.5°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1B4E68 |
|---|---|
| RGB | rgb(27, 78, 104) |
| HSL | hsl(200, 59%, 26%) |
| HSV | hsv(200, 74%, 41%) |
| CMYK | cmyk(74%, 25%, 0%, 59.2%) |
| CIE-LAB | lab(31.07, -7.47, -20.00) |
| CIE-LCH | lch(31.07, 21.34, 249.52°) |
| OKLab | oklab(40.24% -0.04 -0.0562) |
| OKLCH | oklch(40.24% 0.069 234.5) |
| XYZ | xyz(5.6741, 6.6806, 14.0845) |
| Luminance | 0.0668 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 3.23
Dark Grey Blue
#29465B
ΔE00 4.16
Deep Sea Blue
#015482
ΔE00 5.61
Dark Blue Grey
#1F3B4D
ΔE00 6.87
Light Navy
#155084
ΔE00 7.01
Prussian Blue
#004577
ΔE00 7.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B4E68 #68351B
analogous
#1B685B #1B4E68 #1B2768
triadic
#1B4E68 #681B4E #4E681B
tetradic
#1B4E68 #5B1B68 #68351B #27681B
square
#1B4E68 #5B1B68 #68351B #27681B
split-complementary
#1B4E68 #681B27 #685B1B
monochromatic
#061218 #0E2A37 #1B4E68 #287299 #3497C9
Accessibility & contrast
On white
8.99
#1B4E68 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#1B4E68 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B4E68
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B4E68 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B4E68 | 1.00 | 8.99 | 2.34 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#414D69
Deuteranopia (green-blind)
#374668
Tritanopia (blue-blind)
#005557
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #1b4e68; /* rgb */ color: rgb(27, 78, 104); /* oklch */ color: oklch(40.2% 0.069 234.5);
Tailwind
colors: {
custom: {
50: '#627f93',
500: '#1b4e68',
950: '#000000',
},
}SCSS
$custom: #1b4e68; $custom-light: #627f93; $custom-dark: #000000;
JSON
{
"hex": "#1b4e68",
"rgb": {
"r": 27,
"g": 78,
"b": 104
},
"hsl": {
"h": 200.26,
"s": 58.779,
"l": 25.686
},
"oklch": {
"l": 0.40244,
"c": 0.06901,
"h": 234.5
},
"luminance": 0.06681
}Semantic roles & 50–950 ramp
primary
#1B4E68
secondary
#9D6142
accent
#7B46E2
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E