#1C49AB#1C49AB
#1C49AB is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.165 H 262.9°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).
Color values
| HEX | #1C49AB |
|---|---|
| RGB | rgb(28, 73, 171) |
| HSL | hsl(221, 72%, 39%) |
| HSV | hsv(221, 84%, 67%) |
| CMYK | cmyk(83.6%, 57.3%, 0%, 32.9%) |
| CIE-LAB | lab(33.88, 22.68, -56.66) |
| CIE-LCH | lch(33.88, 61.03, 291.81°) |
| OKLab | oklab(43.81% -0.0204 -0.1637) |
| OKLCH | oklch(43.81% 0.165 262.9) |
| XYZ | xyz(10.2095, 7.9510, 39.5168) |
| Luminance | 0.0795 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.27
Sapphire
#0F52BA
ΔE00 3.49
Cobalt (survey)
#1E488F
ΔE00 3.96
Blue Blue
#2242C7
ΔE00 5.14
Dusk Blue
#26538D
ΔE00 5.68
Sapphire (survey)
#2138AB
ΔE00 5.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C49AB #AB7E1C
analogous
#1C91AB #1C49AB #371CAB
triadic
#1C49AB #AB1C49 #49AB1C
tetradic
#1C49AB #AB1C91 #AB7E1C #1CAB37
square
#1C49AB #AB1C91 #AB7E1C #1CAB37
split-complementary
#1C49AB #AB371C #91AB1C
monochromatic
#0B1C42 #133376 #1C49AB #2861DC #5D88E4
Accessibility & contrast
On white
8.11
#1C49AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#1C49AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C49AB
8.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C49AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C49AB | 1.00 | 8.11 | 2.59 | 8.11 |
| #FFFFFF | 8.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056AE
Deuteranopia (green-blind)
#0049A9
Tritanopia (blue-blind)
#006273
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1c49ab; /* rgb */ color: rgb(28, 73, 171); /* oklch */ color: oklch(43.8% 0.165 262.9);
Tailwind
colors: {
custom: {
50: '#727bc5',
500: '#1c49ab',
950: '#000000',
},
}SCSS
$custom: #1c49ab; $custom-light: #727bc5; $custom-dark: #000000;
JSON
{
"hex": "#1c49ab",
"rgb": {
"r": 28,
"g": 73,
"b": 171
},
"hsl": {
"h": 221.119,
"s": 71.859,
"l": 39.02
},
"oklch": {
"l": 0.43809,
"c": 0.16499,
"h": 262.9
},
"luminance": 0.07952
}Semantic roles & 50–950 ramp
primary
#1C49AB
secondary
#C9A65A
accent
#B639EF
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#090913
muted
#7B7B82