#1C366C#1C366C

#1C366C is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.5% C 0.099 H 262.9°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#1C366C
RGB	rgb(28, 54, 108)
HSL	hsl(221, 59%, 27%)
HSV	hsv(221, 74%, 42%)
CMYK	cmyk(74.1%, 50%, 0%, 57.6%)
CIE-LAB	lab(23.56, 10.40, -34.42)
CIE-LCH	lch(23.56, 35.95, 286.81°)
OKLab	oklab(34.46% -0.0122 -0.0987)
OKLCH	oklch(34.46% 0.099 262.9)
XYZ	xyz(4.5039, 3.9675, 14.7129)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C366C #6C521C

analogous

#1C5E6C #1C366C #2A1C6C

triadic

#1C366C #6C1C36 #366C1C

tetradic

#1C366C #6C1C5E #6C521C #1C6C2A

square

#1C366C #6C1C5E #6C521C #1C6C2A

split-complementary

#1C366C #6C2A1C #5E6C1C

monochromatic

#060C18 #0F1E3B #1C366C #294E9D #3767CB

Accessibility & contrast

On white

11.71

#1C366C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C366C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C366C

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C366C	#FFFFFF	#000000	##FFFFFF
##1C366C	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193C6E

Deuteranopia (green-blind)

#06356B

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c366c;
/* rgb */ color: rgb(28, 54, 108);
/* oklch */ color: oklch(34.5% 0.099 262.9);

Tailwind

colors: {
  custom: {
    50: '#636c96',
    500: '#1c366c',
    950: '#000000',
  },
}

SCSS

$custom: #1c366c;
$custom-light: #636c96;
$custom-dark: #000000;

JSON

{
  "hex": "#1c366c",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 108
  },
  "hsl": {
    "h": 220.5,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34457,
    "c": 0.09943,
    "h": 262.9
  },
  "luminance": 0.03968
}

Semantic roles & 50–950 ramp

primary

#1C366C

secondary

#A18243

accent

#AF46E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1C366C

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

Preview Lab → · Contrast checker → · Palette generator →