#1A48B3#1A48B3
#1A48B3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.2% C 0.177 H 263.3°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).
Color values
| HEX | #1A48B3 |
|---|---|
| RGB | rgb(26, 72, 179) |
| HSL | hsl(222, 75%, 40%) |
| HSV | hsv(222, 85%, 70%) |
| CMYK | cmyk(85.5%, 59.8%, 0%, 29.8%) |
| CIE-LAB | lab(34.21, 26.35, -60.89) |
| CIE-LCH | lch(34.21, 66.34, 293.40°) |
| OKLab | oklab(44.24% -0.0206 -0.1762) |
| OKLCH | oklch(44.24% 0.177 263.3) |
| XYZ | xyz(10.8771, 8.1077, 43.6307) |
| Luminance | 0.0811 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.92
Sapphire
#0F52BA
ΔE00 3.61
Blue Blue
#2242C7
ΔE00 3.95
Cobalt (survey)
#1E488F
ΔE00 5.13
Sapphire (survey)
#2138AB
ΔE00 5.24
Blue (survey)
#0343DF
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A48B3 #B3851A
analogous
#1A94B3 #1A48B3 #391AB3
triadic
#1A48B3 #B31A48 #48B31A
tetradic
#1A48B3 #B31A94 #B3851A #1AB339
square
#1A48B3 #B31A94 #B3851A #1AB339
split-complementary
#1A48B3 #B3391A #94B31A
monochromatic
#0A1D48 #12337E #1A48B3 #2A61E0 #6089E8
Accessibility & contrast
On white
8.01
#1A48B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#1A48B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A48B3
8.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A48B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A48B3 | 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)
#0058B7
Deuteranopia (green-blind)
#004AB1
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1a48b3; /* rgb */ color: rgb(26, 72, 179); /* oklch */ color: oklch(44.2% 0.177 263.3);
Tailwind
colors: {
custom: {
50: '#747acb',
500: '#1a48b3',
950: '#000000',
},
}SCSS
$custom: #1a48b3; $custom-light: #747acb; $custom-dark: #000000;
JSON
{
"hex": "#1a48b3",
"rgb": {
"r": 26,
"g": 72,
"b": 179
},
"hsl": {
"h": 221.961,
"s": 74.634,
"l": 40.196
},
"oklch": {
"l": 0.44241,
"c": 0.17737,
"h": 263.3
},
"luminance": 0.08109
}Semantic roles & 50–950 ramp
primary
#1A48B3
secondary
#CCAB5D
accent
#B937F1
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0913
muted
#7C7B82