#1C4596#1C4596
#1C4596 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.2% C 0.141 H 262.1°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4596 |
|---|---|
| RGB | rgb(28, 69, 150) |
| HSL | hsl(220, 69%, 35%) |
| HSV | hsv(220, 81%, 59%) |
| CMYK | cmyk(81.3%, 54%, 0%, 41.2%) |
| CIE-LAB | lab(31.12, 17.00, -48.48) |
| CIE-LCH | lch(31.12, 51.38, 289.33°) |
| OKLab | oklab(41.21% -0.0195 -0.1398) |
| OKLCH | oklch(41.21% 0.141 262.1) |
| XYZ | xyz(8.1100, 6.7042, 29.7148) |
| Luminance | 0.0670 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.66
Cobalt
#0047AB
ΔE00 2.82
Darkish Blue
#014182
ΔE00 3.80
Twilight Blue
#0A437A
ΔE00 4.76
Dusk Blue
#26538D
ΔE00 5.19
Sapphire
#0F52BA
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4596 #966D1C
analogous
#1C8296 #1C4596 #301C96
triadic
#1C4596 #961C45 #45961C
tetradic
#1C4596 #961C82 #966D1C #1C9630
square
#1C4596 #961C82 #966D1C #1C9630
split-complementary
#1C4596 #96301C #82961C
monochromatic
#09162F #122D62 #1C4596 #265DCA #4E7FDE
Accessibility & contrast
On white
8.97
#1C4596 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#1C4596 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4596
8.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4596 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4596 | 1.00 | 8.97 | 2.34 | 8.97 |
| #FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#064F99
Deuteranopia (green-blind)
#004494
Tritanopia (blue-blind)
#005966
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #1c4596; /* rgb */ color: rgb(28, 69, 150); /* oklch */ color: oklch(41.2% 0.141 262.1);
Tailwind
colors: {
custom: {
50: '#6d78b5',
500: '#1c4596',
950: '#000000',
},
}SCSS
$custom: #1c4596; $custom-light: #6d78b5; $custom-dark: #000000;
JSON
{
"hex": "#1c4596",
"rgb": {
"r": 28,
"g": 69,
"b": 150
},
"hsl": {
"h": 219.836,
"s": 68.539,
"l": 34.902
},
"oklch": {
"l": 0.41209,
"c": 0.14111,
"h": 262.1
},
"luminance": 0.06705
}Semantic roles & 50–950 ramp
primary
#1C4596
secondary
#C19A4D
accent
#B13CEB
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080811
muted
#7B7B80