#1A4AA1#1A4AA1
#1A4AA1 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.1% C 0.151 H 261.1°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).
Color values
| HEX | #1A4AA1 |
|---|---|
| RGB | rgb(26, 74, 161) |
| HSL | hsl(219, 72%, 37%) |
| HSV | hsv(219, 84%, 63%) |
| CMYK | cmyk(83.9%, 54%, 0%, 36.9%) |
| CIE-LAB | lab(33.33, 17.83, -51.57) |
| CIE-LCH | lch(33.33, 54.57, 289.07°) |
| OKLab | oklab(43.13% -0.0232 -0.1488) |
| OKLCH | oklch(43.13% 0.151 261.1) |
| XYZ | xyz(9.3055, 7.6892, 34.7050) |
| Luminance | 0.0769 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.71
Cobalt (survey)
#1E488F
ΔE00 2.43
Sapphire
#0F52BA
ΔE00 3.89
Dusk Blue
#26538D
ΔE00 4.31
Darkish Blue
#014182
ΔE00 5.11
Light Navy
#155084
ΔE00 5.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A4AA1 #A1711A
analogous
#1A8EA1 #1A4AA1 #2E1AA1
triadic
#1A4AA1 #A11A4A #4AA11A
tetradic
#1A4AA1 #A11A8E #A1711A #1AA12E
square
#1A4AA1 #A11A8E #A1711A #1AA12E
split-complementary
#1A4AA1 #A12E1A #8EA11A
monochromatic
#091A38 #11326C #1A4AA1 #2362D6 #5286E3
Accessibility & contrast
On white
8.27
#1A4AA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.54
#1A4AA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A4AA1
8.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A4AA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A4AA1 | 1.00 | 8.27 | 2.54 | 8.27 |
| #FFFFFF | 8.27 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.27 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0255A4
Deuteranopia (green-blind)
#00499F
Tritanopia (blue-blind)
#005F6E
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #1a4aa1; /* rgb */ color: rgb(26, 74, 161); /* oklch */ color: oklch(43.1% 0.151 261.1);
Tailwind
colors: {
custom: {
50: '#6f7bbd',
500: '#1a4aa1',
950: '#000000',
},
}SCSS
$custom: #1a4aa1; $custom-light: #6f7bbd; $custom-dark: #000000;
JSON
{
"hex": "#1a4aa1",
"rgb": {
"r": 26,
"g": 74,
"b": 161
},
"hsl": {
"h": 218.667,
"s": 72.193,
"l": 36.667
},
"oklch": {
"l": 0.43129,
"c": 0.15056,
"h": 261.1
},
"luminance": 0.0769
}Semantic roles & 50–950 ramp
primary
#1A4AA1
secondary
#C69C51
accent
#AE39EF
background
#F7F7FB
surface
#EDEDF7
border
#C8C8D0
text
#090912
muted
#7B7B81