#1C4193#1C4193

#1C4193 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.142 H 263.2°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C4193
RGB	rgb(28, 65, 147)
HSL	hsl(221, 68%, 34%)
HSV	hsv(221, 81%, 58%)
CMYK	cmyk(81%, 55.8%, 0%, 42.4%)
CIE-LAB	lab(29.75, 18.55, -48.88)
CIE-LCH	lch(29.75, 52.28, 290.78°)
OKLab	oklab(40.09% -0.0168 -0.141)
OKLCH	oklch(40.09% 0.142 263.2)
XYZ	xyz(7.6338, 6.1332, 28.3796)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4193 #936E1C

analogous

#1C7D93 #1C4193 #331C93

triadic

#1C4193 #931C41 #41931C

tetradic

#1C4193 #931C7D #936E1C #1C9333

square

#1C4193 #931C7D #936E1C #1C9333

split-complementary

#1C4193 #93331C #7D931C

monochromatic

#08142C #122A60 #1C4193 #2658C6 #4C79DD

Accessibility & contrast

On white

9.43

#1C4193 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1C4193 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4193

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4193	#FFFFFF	#000000	##FFFFFF
##1C4193	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C96

Deuteranopia (green-blind)

#004191

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c4193;
/* rgb */ color: rgb(28, 65, 147);
/* oklch */ color: oklch(40.1% 0.142 263.2);

Tailwind

colors: {
  custom: {
    50: '#6d75b3',
    500: '#1c4193',
    950: '#000000',
  },
}

SCSS

$custom: #1c4193;
$custom-light: #6d75b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4193",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 147
  },
  "hsl": {
    "h": 221.345,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40091,
    "c": 0.14202,
    "h": 263.2
  },
  "luminance": 0.06134
}

Semantic roles & 50–950 ramp

primary

#1C4193

secondary

#BF9B4C

accent

#B53DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4193

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →