#31569B#31569B
#31569B is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.2% C 0.120 H 261.7°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).
Color values
| HEX | #31569B |
|---|---|
| RGB | rgb(49, 86, 155) |
| HSL | hsl(219, 52%, 40%) |
| HSV | hsv(219, 68%, 61%) |
| CMYK | cmyk(68.4%, 44.5%, 0%, 39.2%) |
| CIE-LAB | lab(37.25, 10.45, -41.60) |
| CIE-LCH | lch(37.25, 42.89, 284.10°) |
| OKLab | oklab(46.24% -0.0174 -0.1188) |
| OKLCH | oklch(46.24% 0.12 261.7) |
| XYZ | xyz(10.5087, 9.6741, 32.3175) |
| Luminance | 0.0968 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 2.24
Dusk Blue
#26538D
ΔE00 2.69
Light Navy Blue
#2E5A88
ΔE00 3.81
Sapphire
#0F52BA
ΔE00 4.19
Dusky Blue
#475F94
ΔE00 4.23
Cobalt (survey)
#1E488F
ΔE00 4.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31569B #9B7631
analogous
#318B9B #31569B #41319B
triadic
#31569B #9B3156 #569B31
tetradic
#31569B #9B318B #9B7631 #319B41
square
#31569B #9B318B #9B7631 #319B41
split-complementary
#31569B #9B4131 #8B9B31
monochromatic
#14223E #223C6D #31569B #4571C4 #7395D3
Accessibility & contrast
On white
7.16
#31569B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.93
#31569B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #31569B
7.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31569B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##31569B | 1.00 | 7.16 | 2.93 | 7.16 |
| #FFFFFF | 7.16 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.93 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.16 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#355D9E
Deuteranopia (green-blind)
#23539A
Tritanopia (blue-blind)
#006671
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #31569b; /* rgb */ color: rgb(49, 86, 155); /* oklch */ color: oklch(46.2% 0.120 261.7);
Tailwind
colors: {
custom: {
50: '#7585b9',
500: '#31569b',
950: '#000000',
},
}SCSS
$custom: #31569b; $custom-light: #7585b9; $custom-dark: #000000;
JSON
{
"hex": "#31569b",
"rgb": {
"r": 49,
"g": 86,
"b": 155
},
"hsl": {
"h": 219.057,
"s": 51.961,
"l": 40
},
"oklch": {
"l": 0.46242,
"c": 0.12011,
"h": 261.7
},
"luminance": 0.09675
}Semantic roles & 50–950 ramp
primary
#31569B
secondary
#BBA06D
accent
#A94CDB
background
#F7F8FB
surface
#EEEFF6
border
#C9CAD0
text
#090B11
muted
#7B7C80