#1C4366#1C4366

#1C4366 is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.3% C 0.075 H 248.3°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C4366
RGB	rgb(28, 67, 102)
HSL	hsl(208, 57%, 25%)
HSV	hsv(208, 73%, 40%)
CMYK	cmyk(72.5%, 34.3%, 0%, 60%)
CIE-LAB	lab(27.35, -0.99, -24.53)
CIE-LCH	lch(27.35, 24.55, 267.70°)
OKLab	oklab(37.28% -0.0276 -0.0695)
OKLCH	oklch(37.28% 0.075 248.3)
XYZ	xyz(4.8834, 5.2200, 13.3180)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4366 #663F1C

analogous

#1C6664 #1C4366 #1C1E66

triadic

#1C4366 #661C43 #43661C

tetradic

#1C4366 #641C66 #663F1C #1E661C

square

#1C4366 #641C66 #663F1C #1E661C

split-complementary

#1C4366 #661C1E #66641C

monochromatic

#071018 #0F2336 #1C4366 #296396 #3682C6

Accessibility & contrast

On white

10.27

#1C4366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1C4366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4366

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4366	#FFFFFF	#000000	##FFFFFF
##1C4366	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334468

Deuteranopia (green-blind)

#293D65

Tritanopia (blue-blind)

#004B50

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c4366;
/* rgb */ color: rgb(28, 67, 102);
/* oklch */ color: oklch(37.3% 0.075 248.3);

Tailwind

colors: {
  custom: {
    50: '#627692',
    500: '#1c4366',
    950: '#000000',
  },
}

SCSS

$custom: #1c4366;
$custom-light: #627692;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4366",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 102
  },
  "hsl": {
    "h": 208.378,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3728,
    "c": 0.07478,
    "h": 248.3
  },
  "luminance": 0.0522
}

Semantic roles & 50–950 ramp

primary

#1C4366

secondary

#9B6D43

accent

#9048E0

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080D

muted

#7A7B7D

Preview Lab

Preview with #1C4366

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

Preview Lab → · Contrast checker → · Palette generator →