#3049AB#3049AB
#3049AB is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.160 H 268.3°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).
Color values
| HEX | #3049AB |
|---|---|
| RGB | rgb(48, 73, 171) |
| HSL | hsl(228, 56%, 43%) |
| HSV | hsv(228, 72%, 67%) |
| CMYK | cmyk(71.9%, 57.3%, 0%, 32.9%) |
| CIE-LAB | lab(34.67, 24.90, -55.35) |
| CIE-LCH | lch(34.67, 60.69, 294.22°) |
| OKLab | oklab(44.62% -0.0047 -0.1595) |
| OKLCH | oklch(44.62% 0.16 268.3) |
| XYZ | xyz(10.9496, 8.3326, 39.5515) |
| Luminance | 0.0833 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.24
Blue Blue
#2242C7
ΔE00 4.42
Sapphire
#0F52BA
ΔE00 4.58
Cobalt (survey)
#1E488F
ΔE00 5.13
Sapphire (survey)
#2138AB
ΔE00 5.16
Blueberry
#464196
ΔE00 5.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3049AB #AB9230
analogous
#3086AB #3049AB #5530AB
triadic
#3049AB #AB3049 #49AB30
tetradic
#3049AB #AB3086 #AB9230 #30AB55
square
#3049AB #AB3086 #AB9230 #30AB55
split-complementary
#3049AB #AB5530 #86AB30
monochromatic
#15204B #23357B #3049AB #4C66CD #7B8FDA
Accessibility & contrast
On white
7.87
#3049AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.67
#3049AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3049AB
7.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3049AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3049AB | 1.00 | 7.87 | 2.67 | 7.87 |
| #FFFFFF | 7.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.67 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057AE
Deuteranopia (green-blind)
#004CA9
Tritanopia (blue-blind)
#006173
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #3049ab; /* rgb */ color: rgb(48, 73, 171); /* oklch */ color: oklch(44.6% 0.160 268.3);
Tailwind
colors: {
custom: {
50: '#797bc5',
500: '#3049ab',
950: '#000000',
},
}SCSS
$custom: #3049ab; $custom-light: #797bc5; $custom-dark: #000000;
JSON
{
"hex": "#3049ab",
"rgb": {
"r": 48,
"g": 73,
"b": 171
},
"hsl": {
"h": 227.805,
"s": 56.164,
"l": 42.941
},
"oklch": {
"l": 0.44617,
"c": 0.15958,
"h": 268.3
},
"luminance": 0.08334
}Semantic roles & 50–950 ramp
primary
#3049AB
secondary
#C3B374
accent
#C148DF
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82