#1C4EA7#1C4EA7

#1C4EA7 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.5% C 0.153 H 260.9°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#1C4EA7
RGB	rgb(28, 78, 167)
HSL	hsl(218, 71%, 38%)
HSV	hsv(218, 83%, 65%)
CMYK	cmyk(83.2%, 53.3%, 0%, 34.5%)
CIE-LAB	lab(34.97, 17.71, -52.50)
CIE-LCH	lch(34.97, 55.41, 288.64°)
OKLab	oklab(44.54% -0.0241 -0.1514)
OKLCH	oklch(44.54% 0.153 260.9)
XYZ	xyz(10.1758, 8.4844, 37.6531)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4EA7 #A7751C

analogous

#1C93A7 #1C4EA7 #2F1CA7

triadic

#1C4EA7 #A71C4E #4EA71C

tetradic

#1C4EA7 #A71C93 #A7751C #1CA72F

square

#1C4EA7 #A71C93 #A7751C #1CA72F

split-complementary

#1C4EA7 #A72F1C #93A71C

monochromatic

#0A1D3E #133673 #1C4EA7 #2667DB #5A8BE3

Accessibility & contrast

On white

7.79

#1C4EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1C4EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4EA7

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4EA7	#FFFFFF	#000000	##FFFFFF
##1C4EA7	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0959AA

Deuteranopia (green-blind)

#004CA5

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c4ea7;
/* rgb */ color: rgb(28, 78, 167);
/* oklch */ color: oklch(44.5% 0.153 260.9);

Tailwind

colors: {
  custom: {
    50: '#717ec2',
    500: '#1c4ea7',
    950: '#000000',
  },
}

SCSS

$custom: #1c4ea7;
$custom-light: #717ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4ea7",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 167
  },
  "hsl": {
    "h": 218.417,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.44539,
    "c": 0.1533,
    "h": 260.9
  },
  "luminance": 0.08486
}

Semantic roles & 50–950 ramp

primary

#1C4EA7

secondary

#C79F58

accent

#AD3AEE

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C4EA7

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

Preview Lab → · Contrast checker → · Palette generator →