#1F5B97#1F5B97
#1F5B97 is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.5% C 0.115 H 251.8°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5B97 |
|---|---|
| RGB | rgb(31, 91, 151) |
| HSL | hsl(210, 66%, 36%) |
| HSV | hsv(210, 79%, 59%) |
| CMYK | cmyk(79.5%, 39.7%, 0%, 40.8%) |
| CIE-LAB | lab(37.85, 3.04, -38.27) |
| CIE-LCH | lch(37.85, 38.39, 274.55°) |
| OKLab | oklab(46.45% -0.0359 -0.1092) |
| OKLCH | oklch(46.45% 0.115 251.8) |
| XYZ | xyz(9.8900, 10.0067, 30.6824) |
| Luminance | 0.1001 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy Blue
#2E5A88
ΔE00 2.11
Dusk Blue
#26538D
ΔE00 3.30
Denim (survey)
#3B638C
ΔE00 3.86
Light Navy
#155084
ΔE00 4.07
Denim Blue
#3B5B92
ΔE00 4.09
Deep Sea Blue
#015482
ΔE00 4.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5B97 #975B1F
analogous
#1F9797 #1F5B97 #1F1F97
triadic
#1F5B97 #971F5B #5B971F
tetradic
#1F5B97 #971F97 #975B1F #1F971F
square
#1F5B97 #971F97 #975B1F #1F971F
split-complementary
#1F5B97 #971F1F #97971F
monochromatic
#0A1E31 #153C64 #1F5B97 #297ACA #5498DC
Accessibility & contrast
On white
7.00
#1F5B97 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#1F5B97 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F5B97
7.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5B97 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5B97 | 1.00 | 7.00 | 3.00 | 7.00 |
| #FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E5F99
Deuteranopia (green-blind)
#2B5496
Tritanopia (blue-blind)
#006971
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #1f5b97; /* rgb */ color: rgb(31, 91, 151); /* oklch */ color: oklch(46.5% 0.115 251.8);
Tailwind
colors: {
custom: {
50: '#6e89b6',
500: '#1f5b97',
950: '#000000',
},
}SCSS
$custom: #1f5b97; $custom-light: #6e89b6; $custom-dark: #000000;
JSON
{
"hex": "#1f5b97",
"rgb": {
"r": 31,
"g": 91,
"b": 151
},
"hsl": {
"h": 210,
"s": 65.934,
"l": 35.686
},
"oklch": {
"l": 0.4645,
"c": 0.115,
"h": 251.8
},
"luminance": 0.10008
}Semantic roles & 50–950 ramp
primary
#1F5B97
secondary
#BF8952
accent
#943FE9
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080B11
muted
#7B7C80