#1C367A#1C367A

#1C367A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.120 H 265.0°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C367A
RGB	rgb(28, 54, 122)
HSL	hsl(223, 63%, 29%)
HSV	hsv(223, 77%, 48%)
CMYK	cmyk(77%, 55.7%, 0%, 52.2%)
CIE-LAB	lab(24.61, 16.11, -41.66)
CIE-LCH	lch(24.61, 44.67, 291.14°)
OKLab	oklab(35.59% -0.0105 -0.12)
OKLCH	oklch(35.59% 0.12 265)
XYZ	xyz(5.3097, 4.2898, 18.9568)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C367A #7A601C

analogous

#1C657A #1C367A #311C7A

triadic

#1C367A #7A1C36 #367A1C

tetradic

#1C367A #7A1C65 #7A601C #1C7A31

square

#1C367A #7A1C65 #7A601C #1C7A31

split-complementary

#1C367A #7A311C #657A1C

monochromatic

#060B19 #112048 #1C367A #274CAC #3E67D3

Accessibility & contrast

On white

11.30

#1C367A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1C367A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C367A

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C367A	#FFFFFF	#000000	##FFFFFF
##1C367A	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023F7C

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#004752

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c367a;
/* rgb */ color: rgb(28, 54, 122);
/* oklch */ color: oklch(35.6% 0.120 265.0);

Tailwind

colors: {
  custom: {
    50: '#676ca1',
    500: '#1c367a',
    950: '#000000',
  },
}

SCSS

$custom: #1c367a;
$custom-light: #676ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c367a",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 122
  },
  "hsl": {
    "h": 223.404,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35585,
    "c": 0.12045,
    "h": 265
  },
  "luminance": 0.0429
}

Semantic roles & 50–950 ramp

primary

#1C367A

secondary

#AE9144

accent

#B842E6

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C367A

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

Preview Lab → · Contrast checker → · Palette generator →