#1949B4#1949B4
#1949B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.5% C 0.178 H 263.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).
Color values
| HEX | #1949B4 |
|---|---|
| RGB | rgb(25, 73, 180) |
| HSL | hsl(221, 76%, 40%) |
| HSV | hsv(221, 86%, 71%) |
| CMYK | cmyk(86.1%, 59.4%, 0%, 29.4%) |
| CIE-LAB | lab(34.53, 26.00, -60.95) |
| CIE-LCH | lch(34.53, 66.26, 293.10°) |
| OKLab | oklab(44.5% -0.0217 -0.1763) |
| OKLCH | oklch(44.5% 0.178 263) |
| XYZ | xyz(11.0187, 8.2657, 44.1858) |
| Luminance | 0.0827 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.94
Sapphire
#0F52BA
ΔE00 3.25
Blue Blue
#2242C7
ΔE00 4.09
Cobalt (survey)
#1E488F
ΔE00 5.16
Sapphire (survey)
#2138AB
ΔE00 5.60
Blue (survey)
#0343DF
ΔE00 6.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1949B4 #B48419
analogous
#1997B4 #1949B4 #3619B4
triadic
#1949B4 #B41949 #49B419
tetradic
#1949B4 #B41997 #B48419 #19B436
square
#1949B4 #B41997 #B48419 #19B436
split-complementary
#1949B4 #B43619 #97B419
monochromatic
#0A1D49 #12337E #1949B4 #2962E1 #5F89E9
Accessibility & contrast
On white
7.91
#1949B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#1949B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1949B4
7.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1949B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1949B4 | 1.00 | 7.91 | 2.65 | 7.91 |
| #FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059B8
Deuteranopia (green-blind)
#004AB2
Tritanopia (blue-blind)
#006477
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1949b4; /* rgb */ color: rgb(25, 73, 180); /* oklch */ color: oklch(44.5% 0.178 263.0);
Tailwind
colors: {
custom: {
50: '#747bcb',
500: '#1949b4',
950: '#000000',
},
}SCSS
$custom: #1949b4; $custom-light: #747bcb; $custom-dark: #000000;
JSON
{
"hex": "#1949b4",
"rgb": {
"r": 25,
"g": 73,
"b": 180
},
"hsl": {
"h": 221.419,
"s": 75.61,
"l": 40.196
},
"oklch": {
"l": 0.44502,
"c": 0.17768,
"h": 263
},
"luminance": 0.08267
}Semantic roles & 50–950 ramp
primary
#1949B4
secondary
#CDAA5C
accent
#B836F2
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0913
muted
#7C7B82