#1C4790#1C4790
#1C4790 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.2% C 0.130 H 260.3°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4790 |
|---|---|
| RGB | rgb(28, 71, 144) |
| HSL | hsl(218, 67%, 34%) |
| HSV | hsv(218, 81%, 56%) |
| CMYK | cmyk(80.6%, 50.7%, 0%, 43.5%) |
| CIE-LAB | lab(31.27, 13.21, -44.58) |
| CIE-LCH | lch(31.27, 46.50, 286.50°) |
| OKLab | oklab(41.18% -0.0218 -0.1282) |
| OKLCH | oklch(41.18% 0.13 260.3) |
| XYZ | xyz(7.7643, 6.7661, 27.2769) |
| Luminance | 0.0677 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.37
Darkish Blue
#014182
ΔE00 3.06
Cobalt
#0047AB
ΔE00 3.57
Twilight Blue
#0A437A
ΔE00 3.79
Dusk Blue
#26538D
ΔE00 4.18
Light Navy
#155084
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4790 #90651C
analogous
#1C8190 #1C4790 #2B1C90
triadic
#1C4790 #901C47 #47901C
tetradic
#1C4790 #901C81 #90651C #1C902B
square
#1C4790 #901C81 #90651C #1C902B
split-complementary
#1C4790 #902B1C #81901C
monochromatic
#08142A #122E5D #1C4790 #2660C3 #4A80DC
Accessibility & contrast
On white
8.92
#1C4790 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#1C4790 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4790
8.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4790 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4790 | 1.00 | 8.92 | 2.35 | 8.92 |
| #FFFFFF | 8.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1B4F93
Deuteranopia (green-blind)
#00458F
Tritanopia (blue-blind)
#005964
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #1c4790; /* rgb */ color: rgb(28, 71, 144); /* oklch */ color: oklch(41.2% 0.130 260.3);
Tailwind
colors: {
custom: {
50: '#6c79b1',
500: '#1c4790',
950: '#000000',
},
}SCSS
$custom: #1c4790; $custom-light: #6c79b1; $custom-dark: #000000;
JSON
{
"hex": "#1c4790",
"rgb": {
"r": 28,
"g": 71,
"b": 144
},
"hsl": {
"h": 217.759,
"s": 67.442,
"l": 33.725
},
"oklch": {
"l": 0.41179,
"c": 0.13009,
"h": 260.3
},
"luminance": 0.06767
}Semantic roles & 50–950 ramp
primary
#1C4790
secondary
#BE934A
accent
#AA3DEA
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080911
muted
#7B7B80