#1C347A#1C347A

#1C347A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.123 H 265.9°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C347A
RGB	rgb(28, 52, 122)
HSL	hsl(225, 63%, 29%)
HSV	hsv(225, 77%, 48%)
CMYK	cmyk(77%, 57.4%, 0%, 52.2%)
CIE-LAB	lab(24.02, 17.52, -42.61)
CIE-LCH	lch(24.02, 46.07, 292.35°)
OKLab	oklab(35.14% -0.0088 -0.1228)
OKLCH	oklch(35.14% 0.123 265.9)
XYZ	xyz(5.2185, 4.1074, 18.9264)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C347A #7A621C

analogous

#1C637A #1C347A #331C7A

triadic

#1C347A #7A1C34 #347A1C

tetradic

#1C347A #7A1C63 #7A621C #1C7A33

square

#1C347A #7A1C63 #7A621C #1C7A33

split-complementary

#1C347A #7A331C #637A1C

monochromatic

#060B19 #111F48 #1C347A #2749AC #3E64D3

Accessibility & contrast

On white

11.53

#1C347A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1C347A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C347A

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C347A	#FFFFFF	#000000	##FFFFFF
##1C347A	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7C

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c347a;
/* rgb */ color: rgb(28, 52, 122);
/* oklch */ color: oklch(35.1% 0.123 265.9);

Tailwind

colors: {
  custom: {
    50: '#676ba1',
    500: '#1c347a',
    950: '#000000',
  },
}

SCSS

$custom: #1c347a;
$custom-light: #676ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c347a",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 224.681,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35144,
    "c": 0.12312,
    "h": 265.9
  },
  "luminance": 0.04108
}

Semantic roles & 50–950 ramp

primary

#1C347A

secondary

#AE9344

accent

#BC42E6

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C347A

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

Preview Lab → · Contrast checker → · Palette generator →