#1C347E#1C347E

#1C347E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.129 H 266.2°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C347E
RGB	rgb(28, 52, 126)
HSL	hsl(225, 64%, 30%)
HSV	hsv(225, 78%, 49%)
CMYK	cmyk(77.8%, 58.7%, 0%, 50.6%)
CIE-LAB	lab(24.35, 19.14, -44.61)
CIE-LCH	lch(24.35, 48.54, 293.22°)
OKLab	oklab(35.49% -0.0085 -0.1287)
OKLCH	oklch(35.49% 0.129 266.2)
XYZ	xyz(5.4715, 4.2086, 20.2586)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C347E #7E661C

analogous

#1C657E #1C347E #351C7E

triadic

#1C347E #7E1C34 #347E1C

tetradic

#1C347E #7E1C65 #7E661C #1C7E35

square

#1C347E #7E1C65 #7E661C #1C7E35

split-complementary

#1C347E #7E351C #657E1C

monochromatic

#060B1A #111F4C #1C347E #2749B0 #4064D5

Accessibility & contrast

On white

11.40

#1C347E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1C347E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C347E

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C347E	#FFFFFF	#000000	##FFFFFF
##1C347E	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#00357D

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c347e;
/* rgb */ color: rgb(28, 52, 126);
/* oklch */ color: oklch(35.5% 0.129 266.2);

Tailwind

colors: {
  custom: {
    50: '#686ba4',
    500: '#1c347e',
    950: '#000000',
  },
}

SCSS

$custom: #1c347e;
$custom-light: #686ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c347e",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 126
  },
  "hsl": {
    "h": 225.306,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35492,
    "c": 0.12897,
    "h": 266.2
  },
  "luminance": 0.04209
}

Semantic roles & 50–950 ramp

primary

#1C347E

secondary

#B29744

accent

#BE41E7

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C347E

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

Preview Lab → · Contrast checker → · Palette generator →