#1C3752#1C3752

#1C3752 is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.9% C 0.058 H 250.0°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C3752
RGB	rgb(28, 55, 82)
HSL	hsl(210, 49%, 22%)
HSV	hsv(210, 66%, 32%)
CMYK	cmyk(65.9%, 32.9%, 0%, 67.8%)
CIE-LAB	lab(22.26, -0.69, -19.50)
CIE-LCH	lch(22.26, 19.51, 267.96°)
OKLab	oklab(32.92% -0.02 -0.055)
OKLCH	oklch(32.92% 0.058 250)
XYZ	xyz(3.3675, 3.5881, 8.4961)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3752 #52371C

analogous

#1C5252 #1C3752 #1C1C52

triadic

#1C3752 #521C37 #37521C

tetradic

#1C3752 #521C52 #52371C #1C521C

square

#1C3752 #521C52 #52371C #1C521C

split-complementary

#1C3752 #521C1C #52521C

monochromatic

#080F17 #0C1824 #1C3752 #2C5680 #3B74AD

Accessibility & contrast

On white

12.23

#1C3752 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1C3752 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3752

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3752	#FFFFFF	#000000	##FFFFFF
##1C3752	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3853

Deuteranopia (green-blind)

#243351

Tritanopia (blue-blind)

#003D41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c3752;
/* rgb */ color: rgb(28, 55, 82);
/* oklch */ color: oklch(32.9% 0.058 250.0);

Tailwind

colors: {
  custom: {
    50: '#5e6d82',
    500: '#1c3752',
    950: '#000000',
  },
}

SCSS

$custom: #1c3752;
$custom-light: #5e6d82;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3752",
  "rgb": {
    "r": 28,
    "g": 55,
    "b": 82
  },
  "hsl": {
    "h": 210,
    "s": 49.091,
    "l": 21.569
  },
  "oklch": {
    "l": 0.32918,
    "c": 0.05849,
    "h": 250
  },
  "luminance": 0.03588
}

Semantic roles & 50–950 ramp

primary

#1C3752

secondary

#886542

accent

#944FD9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05070A

muted

#797A7C

Preview Lab

Preview with #1C3752

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

Preview Lab → · Contrast checker → · Palette generator →