#1C4AA7#1C4AA7

#1C4AA7 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.158 H 262.2°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C4AA7
RGB	rgb(28, 74, 167)
HSL	hsl(220, 71%, 38%)
HSV	hsv(220, 83%, 65%)
CMYK	cmyk(83.2%, 55.7%, 0%, 34.5%)
CIE-LAB	lab(33.84, 20.41, -54.33)
CIE-LCH	lch(33.84, 58.04, 290.59°)
OKLab	oklab(43.68% -0.0214 -0.1569)
OKLCH	oklch(43.68% 0.158 262.2)
XYZ	xyz(9.9002, 7.9332, 37.5612)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4AA7 #A7791C

analogous

#1C8FA7 #1C4AA7 #331CA7

triadic

#1C4AA7 #A71C4A #4AA71C

tetradic

#1C4AA7 #A71C8F #A7791C #1CA733

square

#1C4AA7 #A71C8F #A7791C #1CA733

split-complementary

#1C4AA7 #A7331C #8FA71C

monochromatic

#0A1C3E #133373 #1C4AA7 #2662DB #5A87E3

Accessibility & contrast

On white

8.12

#1C4AA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1C4AA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4AA7

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4AA7	#FFFFFF	#000000	##FFFFFF
##1C4AA7	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AA

Deuteranopia (green-blind)

#004AA5

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c4aa7;
/* rgb */ color: rgb(28, 74, 167);
/* oklch */ color: oklch(43.7% 0.158 262.2);

Tailwind

colors: {
  custom: {
    50: '#717bc2',
    500: '#1c4aa7',
    950: '#000000',
  },
}

SCSS

$custom: #1c4aa7;
$custom-light: #717bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4aa7",
  "rgb": {
    "r": 28,
    "g": 74,
    "b": 167
  },
  "hsl": {
    "h": 220.144,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43682,
    "c": 0.15831,
    "h": 262.2
  },
  "luminance": 0.07934
}

Semantic roles & 50–950 ramp

primary

#1C4AA7

secondary

#C7A258

accent

#B23AEE

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C4AA7

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

Preview Lab → · Contrast checker → · Palette generator →