#1B5072#1B5072
#1B5072 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.3% C 0.079 H 240.9°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).
Color values
| HEX | #1B5072 |
|---|---|
| RGB | rgb(27, 80, 114) |
| HSL | hsl(203, 62%, 28%) |
| HSV | hsv(203, 76%, 45%) |
| CMYK | cmyk(76.3%, 29.8%, 0%, 55.3%) |
| CIE-LAB | lab(32.22, -4.90, -24.48) |
| CIE-LCH | lch(32.22, 24.97, 258.67°) |
| OKLab | oklab(41.32% -0.0385 -0.0692) |
| OKLCH | oklch(41.32% 0.079 240.9) |
| XYZ | xyz(6.3567, 7.1845, 16.9681) |
| Luminance | 0.0718 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 2.83
Dark Slate Blue
#214761
ΔE00 3.69
Light Navy
#155084
ΔE00 3.97
Prussian Blue
#004577
ΔE00 5.04
Dark Grey Blue
#29465B
ΔE00 5.25
Light Navy Blue
#2E5A88
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B5072 #723D1B
analogous
#1B7268 #1B5072 #1B2572
triadic
#1B5072 #721B50 #50721B
tetradic
#1B5072 #681B72 #723D1B #25721B
square
#1B5072 #681B72 #723D1B #25721B
split-complementary
#1B5072 #721B25 #72681B
monochromatic
#061119 #0F2D41 #1B5072 #2773A3 #3894D0
Accessibility & contrast
On white
8.62
#1B5072 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.44
#1B5072 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B5072
8.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B5072 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B5072 | 1.00 | 8.62 | 2.44 | 8.62 |
| #FFFFFF | 8.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#405074
Deuteranopia (green-blind)
#344871
Tritanopia (blue-blind)
#00585C
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #1b5072; /* rgb */ color: rgb(27, 80, 114); /* oklch */ color: oklch(41.3% 0.079 240.9);
Tailwind
colors: {
custom: {
50: '#64809a',
500: '#1b5072',
950: '#000000',
},
}SCSS
$custom: #1b5072; $custom-light: #64809a; $custom-dark: #000000;
JSON
{
"hex": "#1b5072",
"rgb": {
"r": 27,
"g": 80,
"b": 114
},
"hsl": {
"h": 203.448,
"s": 61.702,
"l": 27.647
},
"oklch": {
"l": 0.41323,
"c": 0.07918,
"h": 240.9
},
"luminance": 0.07185
}Semantic roles & 50–950 ramp
primary
#1B5072
secondary
#A76942
accent
#8243E5
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0E
muted
#7A7C7E