#1C4EA9#1C4EA9
#1C4EA9 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.156 H 261.2°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4EA9 |
|---|---|
| RGB | rgb(28, 78, 169) |
| HSL | hsl(219, 72%, 39%) |
| HSV | hsv(219, 83%, 66%) |
| CMYK | cmyk(83.4%, 53.8%, 0%, 33.7%) |
| CIE-LAB | lab(35.12, 18.51, -53.45) |
| CIE-LCH | lch(35.12, 56.56, 289.10°) |
| OKLab | oklab(44.7% -0.0239 -0.1542) |
| OKLCH | oklch(44.7% 0.156 261.2) |
| XYZ | xyz(10.3621, 8.5590, 38.6343) |
| Luminance | 0.0856 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.30
Sapphire
#0F52BA
ΔE00 2.40
Cobalt (survey)
#1E488F
ΔE00 3.73
Dusk Blue
#26538D
ΔE00 4.21
Denim Blue
#3B5B92
ΔE00 5.47
Light Navy
#155084
ΔE00 5.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4EA9 #A9771C
analogous
#1C94A9 #1C4EA9 #301CA9
triadic
#1C4EA9 #A91C4E #4EA91C
tetradic
#1C4EA9 #A91C94 #A9771C #1CA930
square
#1C4EA9 #A91C94 #A9771C #1CA930
split-complementary
#1C4EA9 #A9301C #94A91C
monochromatic
#0B1E40 #133674 #1C4EA9 #2767DB #5B8CE4
Accessibility & contrast
On white
7.74
#1C4EA9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#1C4EA9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4EA9
7.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4EA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4EA9 | 1.00 | 7.74 | 2.71 | 7.74 |
| #FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0259AC
Deuteranopia (green-blind)
#004DA7
Tritanopia (blue-blind)
#006474
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #1c4ea9; /* rgb */ color: rgb(28, 78, 169); /* oklch */ color: oklch(44.7% 0.156 261.2);
Tailwind
colors: {
custom: {
50: '#727ec3',
500: '#1c4ea9',
950: '#000000',
},
}SCSS
$custom: #1c4ea9; $custom-light: #727ec3; $custom-dark: #000000;
JSON
{
"hex": "#1c4ea9",
"rgb": {
"r": 28,
"g": 78,
"b": 169
},
"hsl": {
"h": 218.723,
"s": 71.574,
"l": 38.627
},
"oklch": {
"l": 0.44699,
"c": 0.15603,
"h": 261.2
},
"luminance": 0.0856
}Semantic roles & 50–950 ramp
primary
#1C4EA9
secondary
#C8A159
accent
#AE39EE
background
#F7F7FC
surface
#EDEEF8
border
#C8C9D1
text
#090913
muted
#7B7B82