#1C4CA9#1C4CA9

#1C4CA9 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.159 H 261.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C4CA9
RGB	rgb(28, 76, 169)
HSL	hsl(220, 72%, 39%)
HSV	hsv(220, 83%, 66%)
CMYK	cmyk(83.4%, 55%, 0%, 33.7%)
CIE-LAB	lab(34.56, 19.86, -54.37)
CIE-LCH	lch(34.56, 57.88, 290.07°)
OKLab	oklab(44.27% -0.0225 -0.1569)
OKLCH	oklch(44.27% 0.159 261.8)
XYZ	xyz(10.2222, 8.2791, 38.5877)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4CA9 #A9791C

analogous

#1C92A9 #1C4CA9 #321CA9

triadic

#1C4CA9 #A91C4C #4CA91C

tetradic

#1C4CA9 #A91C92 #A9791C #1CA932

square

#1C4CA9 #A91C92 #A9791C #1CA932

split-complementary

#1C4CA9 #A9321C #92A91C

monochromatic

#0B1D40 #133474 #1C4CA9 #2764DB #5B8AE4

Accessibility & contrast

On white

7.91

#1C4CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1C4CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4CA9

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4CA9	#FFFFFF	#000000	##FFFFFF
##1C4CA9	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AC

Deuteranopia (green-blind)

#004BA7

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1c4ca9;
/* rgb */ color: rgb(28, 76, 169);
/* oklch */ color: oklch(44.3% 0.159 261.8);

Tailwind

colors: {
  custom: {
    50: '#727dc3',
    500: '#1c4ca9',
    950: '#000000',
  },
}

SCSS

$custom: #1c4ca9;
$custom-light: #727dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4ca9",
  "rgb": {
    "r": 28,
    "g": 76,
    "b": 169
  },
  "hsl": {
    "h": 219.574,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.44271,
    "c": 0.15853,
    "h": 261.8
  },
  "luminance": 0.0828
}

Semantic roles & 50–950 ramp

primary

#1C4CA9

secondary

#C8A259

accent

#B139EE

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090913

muted

#7B7B82

Preview Lab

Preview with #1C4CA9

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

Preview Lab → · Contrast checker → · Palette generator →