#1F5677#1F5677
#1F5677 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.3% C 0.079 H 238.9°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5677 |
|---|---|
| RGB | rgb(31, 86, 119) |
| HSL | hsl(203, 59%, 29%) |
| HSV | hsv(203, 74%, 47%) |
| CMYK | cmyk(73.9%, 27.7%, 0%, 53.3%) |
| CIE-LAB | lab(34.56, -6.14, -23.94) |
| CIE-LCH | lch(34.56, 24.72, 255.61°) |
| OKLab | oklab(43.29% -0.0407 -0.0675) |
| OKLCH | oklch(43.29% 0.079 238.9) |
| XYZ | xyz(7.2213, 8.2780, 18.6664) |
| Luminance | 0.0828 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 3.00
Light Navy
#155084
ΔE00 4.99
Light Navy Blue
#2E5A88
ΔE00 5.07
Dark Slate Blue
#214761
ΔE00 5.35
Ugly Blue
#31668A
ΔE00 5.70
Dusk Blue
#26538D
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5677 #77401F
analogous
#1F776C #1F5677 #1F2A77
triadic
#1F5677 #771F56 #56771F
tetradic
#1F5677 #6C1F77 #77401F #2A771F
square
#1F5677 #6C1F77 #77401F #2A771F
split-complementary
#1F5677 #771F2A #776C1F
monochromatic
#061218 #123346 #1F5677 #2C79A8 #439ACE
Accessibility & contrast
On white
7.91
#1F5677 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.66
#1F5677 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5677
7.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5677 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5677 | 1.00 | 7.91 | 2.66 | 7.91 |
| #FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#475679
Deuteranopia (green-blind)
#3B4D76
Tritanopia (blue-blind)
#005E61
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1f5677; /* rgb */ color: rgb(31, 86, 119); /* oklch */ color: oklch(43.3% 0.079 238.9);
Tailwind
colors: {
custom: {
50: '#67859e',
500: '#1f5677',
950: '#000000',
},
}SCSS
$custom: #1f5677; $custom-light: #67859e; $custom-dark: #000000;
JSON
{
"hex": "#1f5677",
"rgb": {
"r": 31,
"g": 86,
"b": 119
},
"hsl": {
"h": 202.5,
"s": 58.667,
"l": 29.412
},
"oklch": {
"l": 0.43289,
"c": 0.07885,
"h": 238.9
},
"luminance": 0.08279
}Semantic roles & 50–950 ramp
primary
#1F5677
secondary
#AB6C47
accent
#8046E2
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0E
muted
#7A7C7E