#1A4CB4#1A4CB4
#1A4CB4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.1% C 0.174 H 262.5°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).
Color values
| HEX | #1A4CB4 |
|---|---|
| RGB | rgb(26, 76, 180) |
| HSL | hsl(221, 75%, 40%) |
| HSV | hsv(221, 86%, 71%) |
| CMYK | cmyk(85.6%, 57.8%, 0%, 29.4%) |
| CIE-LAB | lab(35.37, 24.06, -59.59) |
| CIE-LCH | lch(35.37, 64.26, 291.99°) |
| OKLab | oklab(45.14% -0.0228 -0.1723) |
| OKLCH | oklch(45.14% 0.174 262.5) |
| XYZ | xyz(11.2457, 8.6824, 44.2543) |
| Luminance | 0.0868 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.17
Sapphire
#0F52BA
ΔE00 2.28
Blue Blue
#2242C7
ΔE00 4.84
Cobalt (survey)
#1E488F
ΔE00 5.06
Dusk Blue
#26538D
ΔE00 5.89
Blue (survey)
#0343DF
ΔE00 6.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A4CB4 #B4821A
analogous
#1A99B4 #1A4CB4 #351AB4
triadic
#1A4CB4 #B41A4C #4CB41A
tetradic
#1A4CB4 #B41A99 #B4821A #1AB435
square
#1A4CB4 #B41A99 #B4821A #1AB435
split-complementary
#1A4CB4 #B4351A #99B41A
monochromatic
#0B1F49 #12357F #1A4CB4 #2B66E0 #608CE8
Accessibility & contrast
On white
7.67
#1A4CB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.74
#1A4CB4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A4CB4
7.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A4CB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A4CB4 | 1.00 | 7.67 | 2.74 | 7.67 |
| #FFFFFF | 7.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AB8
Deuteranopia (green-blind)
#004CB2
Tritanopia (blue-blind)
#006678
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #1a4cb4; /* rgb */ color: rgb(26, 76, 180); /* oklch */ color: oklch(45.1% 0.174 262.5);
Tailwind
colors: {
custom: {
50: '#747dcb',
500: '#1a4cb4',
950: '#000000',
},
}SCSS
$custom: #1a4cb4; $custom-light: #747dcb; $custom-dark: #000000;
JSON
{
"hex": "#1a4cb4",
"rgb": {
"r": 26,
"g": 76,
"b": 180
},
"hsl": {
"h": 220.519,
"s": 74.757,
"l": 40.392
},
"oklch": {
"l": 0.45137,
"c": 0.17379,
"h": 262.5
},
"luminance": 0.08684
}Semantic roles & 50–950 ramp
primary
#1A4CB4
secondary
#CCA85D
accent
#B536F1
background
#F7F7FC
surface
#EEEEF9
border
#C9C9D2
text
#0A0913
muted
#7C7B82