#314F8B#314F8B
#314F8B is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.6% C 0.106 H 262.8°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).
Color values
| HEX | #314F8B |
|---|---|
| RGB | rgb(49, 79, 139) |
| HSL | hsl(220, 48%, 37%) |
| HSV | hsv(220, 65%, 55%) |
| CMYK | cmyk(64.7%, 43.2%, 0%, 45.5%) |
| CIE-LAB | lab(34.21, 9.11, -36.76) |
| CIE-LCH | lch(34.21, 37.87, 283.92°) |
| OKLab | oklab(43.58% -0.0133 -0.1047) |
| OKLCH | oklch(43.58% 0.106 262.8) |
| XYZ | xyz(8.7212, 8.1082, 25.5265) |
| Luminance | 0.0811 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.81
Dusk Blue
#26538D
ΔE00 2.86
Denim Blue
#3B5B92
ΔE00 4.00
Light Navy
#155084
ΔE00 4.81
Light Navy Blue
#2E5A88
ΔE00 4.96
Cobalt
#0047AB
ΔE00 5.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#314F8B #8B6D31
analogous
#317C8B #314F8B #40318B
triadic
#314F8B #8B314F #4F8B31
tetradic
#314F8B #8B317C #8B6D31 #318B40
square
#314F8B #8B317C #8B6D31 #318B40
split-complementary
#314F8B #8B4031 #7C8B31
monochromatic
#111C31 #21355E #314F8B #4169B8 #6B8BCB
Accessibility & contrast
On white
8.01
#314F8B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#314F8B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #314F8B
8.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##314F8B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##314F8B | 1.00 | 8.01 | 2.62 | 8.01 |
| #FFFFFF | 8.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#34558D
Deuteranopia (green-blind)
#264D8A
Tritanopia (blue-blind)
#005D66
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #314f8b; /* rgb */ color: rgb(49, 79, 139); /* oklch */ color: oklch(43.6% 0.106 262.8);
Tailwind
colors: {
custom: {
50: '#727fad',
500: '#314f8b',
950: '#000000',
},
}SCSS
$custom: #314f8b; $custom-light: #727fad; $custom-dark: #000000;
JSON
{
"hex": "#314f8b",
"rgb": {
"r": 49,
"g": 79,
"b": 139
},
"hsl": {
"h": 220,
"s": 47.872,
"l": 36.863
},
"oklch": {
"l": 0.43579,
"c": 0.10557,
"h": 262.8
},
"luminance": 0.08109
}Semantic roles & 50–950 ramp
primary
#314F8B
secondary
#B29965
accent
#AA50D7
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#080A10
muted
#7B7C7F