#1947B3#1947B3
#1947B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.0% C 0.179 H 263.4°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).
Color values
| HEX | #1947B3 |
|---|---|
| RGB | rgb(25, 71, 179) |
| HSL | hsl(222, 75%, 40%) |
| HSV | hsv(222, 86%, 70%) |
| CMYK | cmyk(86%, 60.3%, 0%, 29.8%) |
| CIE-LAB | lab(33.91, 26.94, -61.37) |
| CIE-LCH | lch(33.91, 67.02, 293.70°) |
| OKLab | oklab(44.01% -0.0206 -0.1776) |
| OKLCH | oklch(44.01% 0.179 263.4) |
| XYZ | xyz(10.7879, 7.9665, 43.6082) |
| Luminance | 0.0797 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.98
Blue Blue
#2242C7
ΔE00 3.77
Sapphire
#0F52BA
ΔE00 3.91
Sapphire (survey)
#2138AB
ΔE00 4.94
Cobalt (survey)
#1E488F
ΔE00 5.21
Blue (survey)
#0343DF
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1947B3 #B38519
analogous
#1994B3 #1947B3 #3819B3
triadic
#1947B3 #B31947 #47B319
tetradic
#1947B3 #B31994 #B38519 #19B338
square
#1947B3 #B31994 #B38519 #19B338
split-complementary
#1947B3 #B33819 #94B319
monochromatic
#0A1C48 #12327D #1947B3 #285FE1 #5E87E8
Accessibility & contrast
On white
8.10
#1947B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#1947B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1947B3
8.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1947B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1947B3 | 1.00 | 8.10 | 2.59 | 8.10 |
| #FFFFFF | 8.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B7
Deuteranopia (green-blind)
#0049B1
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1947b3; /* rgb */ color: rgb(25, 71, 179); /* oklch */ color: oklch(44.0% 0.179 263.4);
Tailwind
colors: {
custom: {
50: '#7479cb',
500: '#1947b3',
950: '#000000',
},
}SCSS
$custom: #1947b3; $custom-light: #7479cb; $custom-dark: #000000;
JSON
{
"hex": "#1947b3",
"rgb": {
"r": 25,
"g": 71,
"b": 179
},
"hsl": {
"h": 222.078,
"s": 75.49,
"l": 40
},
"oklch": {
"l": 0.44014,
"c": 0.1788,
"h": 263.4
},
"luminance": 0.07968
}Semantic roles & 50–950 ramp
primary
#1947B3
secondary
#CCAB5B
accent
#BA36F2
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0913
muted
#7C7B82