#1C347C#1C347C

#1C347C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.3% C 0.126 H 266.1°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#1C347C
RGB	rgb(28, 52, 124)
HSL	hsl(225, 63%, 30%)
HSV	hsv(225, 77%, 49%)
CMYK	cmyk(77.4%, 58.1%, 0%, 51.4%)
CIE-LAB	lab(24.19, 18.33, -43.61)
CIE-LCH	lch(24.19, 47.31, 292.80°)
OKLab	oklab(35.32% -0.0086 -0.1258)
OKLCH	oklch(35.32% 0.126 266.1)
XYZ	xyz(5.3437, 4.1575, 19.5857)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C347C #7C641C

analogous

#1C647C #1C347C #341C7C

triadic

#1C347C #7C1C34 #347C1C

tetradic

#1C347C #7C1C64 #7C641C #1C7C34

square

#1C347C #7C1C64 #7C641C #1C7C34

split-complementary

#1C347C #7C341C #647C1C

monochromatic

#060A19 #111F4A #1C347C #2749AE #3F64D4

Accessibility & contrast

On white

11.47

#1C347C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1C347C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C347C

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C347C	#FFFFFF	#000000	##FFFFFF
##1C347C	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7E

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c347c;
/* rgb */ color: rgb(28, 52, 124);
/* oklch */ color: oklch(35.3% 0.126 266.1);

Tailwind

colors: {
  custom: {
    50: '#686ba3',
    500: '#1c347c',
    950: '#000000',
  },
}

SCSS

$custom: #1c347c;
$custom-light: #686ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c347c",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 124
  },
  "hsl": {
    "h": 225,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35317,
    "c": 0.12606,
    "h": 266.1
  },
  "luminance": 0.04158
}

Semantic roles & 50–950 ramp

primary

#1C347C

secondary

#B09544

accent

#BD42E6

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C347C

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

Preview Lab → · Contrast checker → · Palette generator →