#1C366A#1C366A

#1C366A is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.096 H 262.5°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1C366A
RGB	rgb(28, 54, 106)
HSL	hsl(220, 58%, 26%)
HSV	hsv(220, 74%, 42%)
CMYK	cmyk(73.6%, 49.1%, 0%, 58.4%)
CIE-LAB	lab(23.42, 9.59, -33.35)
CIE-LCH	lch(23.42, 34.70, 286.04°)
OKLab	oklab(34.31% -0.0126 -0.0955)
OKLCH	oklch(34.31% 0.096 262.5)
XYZ	xyz(4.3987, 3.9254, 14.1587)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C366A #6A501C

analogous

#1C5D6A #1C366A #291C6A

triadic

#1C366A #6A1C36 #366A1C

tetradic

#1C366A #6A1C5D #6A501C #1C6A29

square

#1C366A #6A1C5D #6A501C #1C6A29

split-complementary

#1C366A #6A291C #5D6A1C

monochromatic

#060C18 #0F1D3A #1C366A #294F9A #3668CA

Accessibility & contrast

On white

11.76

#1C366A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C366A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C366A

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C366A	#FFFFFF	#000000	##FFFFFF
##1C366A	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3C6C

Deuteranopia (green-blind)

#0A3469

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c366a;
/* rgb */ color: rgb(28, 54, 106);
/* oklch */ color: oklch(34.3% 0.096 262.5);

Tailwind

colors: {
  custom: {
    50: '#636c95',
    500: '#1c366a',
    950: '#000000',
  },
}

SCSS

$custom: #1c366a;
$custom-light: #636c95;
$custom-dark: #000000;

JSON

{
  "hex": "#1c366a",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 106
  },
  "hsl": {
    "h": 220,
    "s": 58.209,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34305,
    "c": 0.09637,
    "h": 262.5
  },
  "luminance": 0.03926
}

Semantic roles & 50–950 ramp

primary

#1C366A

secondary

#9F8043

accent

#AE46E1

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1C366A

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

Preview Lab → · Contrast checker → · Palette generator →