#3056B3#3056B3
#3056B3 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.154 H 264.5°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).
Color values
| HEX | #3056B3 |
|---|---|
| RGB | rgb(48, 86, 179) |
| HSL | hsl(223, 58%, 45%) |
| HSV | hsv(223, 73%, 70%) |
| CMYK | cmyk(73.2%, 52%, 0%, 29.8%) |
| CIE-LAB | lab(38.79, 19.32, -53.40) |
| CIE-LCH | lch(38.79, 56.79, 289.89°) |
| OKLab | oklab(47.92% -0.0147 -0.1536) |
| OKLCH | oklch(47.92% 0.154 264.5) |
| XYZ | xyz(12.6805, 10.5373, 44.0047) |
| Luminance | 0.1054 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 2.29
Denim Blue
#3B5B92
ΔE00 4.68
Denim
#1560BD
ΔE00 4.80
Cobalt
#0047AB
ΔE00 5.12
Dusk Blue
#26538D
ΔE00 5.52
Dusky Blue
#475F94
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3056B3 #B38D30
analogous
#3098B3 #3056B3 #4B30B3
triadic
#3056B3 #B33056 #56B330
tetradic
#3056B3 #B33098 #B38D30 #30B34B
square
#3056B3 #B33098 #B38D30 #30B34B
split-complementary
#3056B3 #B34B30 #98B330
monochromatic
#162852 #233F83 #3056B3 #5075D0 #809BDD
Accessibility & contrast
On white
6.76
#3056B3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.11
#3056B3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3056B3
6.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3056B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3056B3 | 1.00 | 6.76 | 3.11 | 6.76 |
| #FFFFFF | 6.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1A62B6
Deuteranopia (green-blind)
#0056B1
Tritanopia (blue-blind)
#006C7C
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #3056b3; /* rgb */ color: rgb(48, 86, 179); /* oklch */ color: oklch(47.9% 0.154 264.5);
Tailwind
colors: {
custom: {
50: '#7a85ca',
500: '#3056b3',
950: '#000000',
},
}SCSS
$custom: #3056b3; $custom-light: #7a85ca; $custom-dark: #000000;
JSON
{
"hex": "#3056b3",
"rgb": {
"r": 48,
"g": 86,
"b": 179
},
"hsl": {
"h": 222.595,
"s": 57.709,
"l": 44.51
},
"oklch": {
"l": 0.47916,
"c": 0.15429,
"h": 264.5
},
"luminance": 0.10539
}Semantic roles & 50–950 ramp
primary
#3056B3
secondary
#C6B079
accent
#B447E1
background
#F8F8FC
surface
#EFEFF8
border
#CACAD1
text
#0A0B13
muted
#7C7C82