#1F619F#1F619F
#1F619F is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.4% C 0.119 H 250.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).
Color values
| HEX | #1F619F |
|---|---|
| RGB | rgb(31, 97, 159) |
| HSL | hsl(209, 67%, 37%) |
| HSV | hsv(209, 81%, 62%) |
| CMYK | cmyk(80.5%, 39%, 0%, 37.6%) |
| CIE-LAB | lab(40.15, 2.33, -39.40) |
| CIE-LCH | lch(40.15, 39.47, 273.39°) |
| OKLab | oklab(48.4% -0.0393 -0.1125) |
| OKLCH | oklch(48.4% 0.119 250.7) |
| XYZ | xyz(11.0954, 11.3426, 34.3987) |
| Luminance | 0.1134 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Denim (survey)
#3B638C
ΔE00 3.40
Light Navy Blue
#2E5A88
ΔE00 3.67
Denim
#1560BD
ΔE00 3.76
Mid Blue
#276AB3
ΔE00 3.83
Ugly Blue
#31668A
ΔE00 4.70
Denim Blue
#3B5B92
ΔE00 5.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F619F #9F5D1F
analogous
#1F9F9D #1F619F #1F219F
triadic
#1F619F #9F1F61 #619F1F
tetradic
#1F619F #9D1F9F #9F5D1F #219F1F
square
#1F619F #9D1F9F #9F5D1F #219F1F
split-complementary
#1F619F #9F1F21 #9F9D1F
monochromatic
#0B2339 #15426C #1F619F #2980D2 #5A9EDF
Accessibility & contrast
On white
6.42
#1F619F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.27
#1F619F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F619F
6.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F619F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F619F | 1.00 | 6.42 | 3.27 | 6.42 |
| #FFFFFF | 6.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4365A2
Deuteranopia (green-blind)
#2F599E
Tritanopia (blue-blind)
#007078
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #1f619f; /* rgb */ color: rgb(31, 97, 159); /* oklch */ color: oklch(48.4% 0.119 250.7);
Tailwind
colors: {
custom: {
50: '#6f8dbc',
500: '#1f619f',
950: '#000000',
},
}SCSS
$custom: #1f619f; $custom-light: #6f8dbc; $custom-dark: #000000;
JSON
{
"hex": "#1f619f",
"rgb": {
"r": 31,
"g": 97,
"b": 159
},
"hsl": {
"h": 209.063,
"s": 67.368,
"l": 37.255
},
"oklch": {
"l": 0.48397,
"c": 0.11914,
"h": 250.7
},
"luminance": 0.11344
}Semantic roles & 50–950 ramp
primary
#1F619F
secondary
#C38B57
accent
#913EEA
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090C12
muted
#7B7D81