#1C4AA6#1C4AA6

#1C4AA6 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.6% C 0.157 H 262.1°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#1C4AA6
RGB	rgb(28, 74, 166)
HSL	hsl(220, 71%, 38%)
HSV	hsv(220, 83%, 65%)
CMYK	cmyk(83.1%, 55.4%, 0%, 34.9%)
CIE-LAB	lab(33.77, 20.01, -53.86)
CIE-LCH	lch(33.77, 57.46, 290.39°)
OKLab	oklab(43.6% -0.0215 -0.1555)
OKLCH	oklch(43.6% 0.157 262.1)
XYZ	xyz(9.8081, 7.8964, 37.0762)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4AA6 #A6781C

analogous

#1C8FA6 #1C4AA6 #331CA6

triadic

#1C4AA6 #A61C4A #4AA61C

tetradic

#1C4AA6 #A61C8F #A6781C #1CA633

square

#1C4AA6 #A61C8F #A6781C #1CA633

split-complementary

#1C4AA6 #A6331C #8FA61C

monochromatic

#0A1B3D #133372 #1C4AA6 #2561DA #5987E3

Accessibility & contrast

On white

8.14

#1C4AA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1C4AA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4AA6

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4AA6	#FFFFFF	#000000	##FFFFFF
##1C4AA6	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A9

Deuteranopia (green-blind)

#0049A4

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c4aa6;
/* rgb */ color: rgb(28, 74, 166);
/* oklch */ color: oklch(43.6% 0.157 262.1);

Tailwind

colors: {
  custom: {
    50: '#717bc1',
    500: '#1c4aa6',
    950: '#000000',
  },
}

SCSS

$custom: #1c4aa6;
$custom-light: #717bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4aa6",
  "rgb": {
    "r": 28,
    "g": 74,
    "b": 166
  },
  "hsl": {
    "h": 220,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43599,
    "c": 0.15695,
    "h": 262.1
  },
  "luminance": 0.07898
}

Semantic roles & 50–950 ramp

primary

#1C4AA6

secondary

#C7A257

accent

#B23AEE

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C4AA6

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

Preview Lab → · Contrast checker → · Palette generator →