#1C4BA7#1C4BA7

#1C4BA7 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.157 H 261.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#1C4BA7
RGB	rgb(28, 75, 167)
HSL	hsl(220, 71%, 38%)
HSV	hsv(220, 83%, 65%)
CMYK	cmyk(83.2%, 55.1%, 0%, 34.5%)
CIE-LAB	lab(34.12, 19.74, -53.88)
CIE-LCH	lch(34.12, 57.38, 290.12°)
OKLab	oklab(43.89% -0.022 -0.1555)
OKLCH	oklch(43.89% 0.157 261.9)
XYZ	xyz(9.9675, 8.0678, 37.5836)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4BA7 #A7781C

analogous

#1C90A7 #1C4BA7 #321CA7

triadic

#1C4BA7 #A71C4B #4BA71C

tetradic

#1C4BA7 #A71C90 #A7781C #1CA732

square

#1C4BA7 #A71C90 #A7781C #1CA732

split-complementary

#1C4BA7 #A7321C #90A71C

monochromatic

#0A1C3E #133373 #1C4BA7 #2663DB #5A88E3

Accessibility & contrast

On white

8.03

#1C4BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1C4BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4BA7

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4BA7	#FFFFFF	#000000	##FFFFFF
##1C4BA7	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AA

Deuteranopia (green-blind)

#004AA5

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c4ba7;
/* rgb */ color: rgb(28, 75, 167);
/* oklch */ color: oklch(43.9% 0.157 261.9);

Tailwind

colors: {
  custom: {
    50: '#717cc2',
    500: '#1c4ba7',
    950: '#000000',
  },
}

SCSS

$custom: #1c4ba7;
$custom-light: #717cc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4ba7",
  "rgb": {
    "r": 28,
    "g": 75,
    "b": 167
  },
  "hsl": {
    "h": 219.712,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43894,
    "c": 0.15706,
    "h": 261.9
  },
  "luminance": 0.08069
}

Semantic roles & 50–950 ramp

primary

#1C4BA7

secondary

#C7A158

accent

#B13AEE

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C4BA7

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

Preview Lab → · Contrast checker → · Palette generator →