#1C4873#1C4873

#1C4873 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.4% C 0.088 H 250.6°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C4873
RGB	rgb(28, 72, 115)
HSL	hsl(210, 61%, 28%)
HSV	hsv(210, 76%, 45%)
CMYK	cmyk(75.7%, 37.4%, 0%, 54.9%)
CIE-LAB	lab(29.71, 0.83, -29.07)
CIE-LCH	lch(29.71, 29.08, 271.64°)
OKLab	oklab(39.37% -0.0291 -0.0826)
OKLCH	oklch(39.37% 0.088 250.6)
XYZ	xyz(5.8896, 6.1188, 17.0870)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4873 #73471C

analogous

#1C7372 #1C4873 #1C1D73

triadic

#1C4873 #731C48 #48731C

tetradic

#1C4873 #721C73 #73471C #1D731C

square

#1C4873 #721C73 #73471C #1D731C

split-complementary

#1C4873 #731C1D #73721C

monochromatic

#060F19 #102942 #1C4873 #2867A4 #3A86CF

Accessibility & contrast

On white

9.44

#1C4873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1C4873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4873

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4873	#FFFFFF	#000000	##FFFFFF
##1C4873	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344A75

Deuteranopia (green-blind)

#284272

Tritanopia (blue-blind)

#005258

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c4873;
/* rgb */ color: rgb(28, 72, 115);
/* oklch */ color: oklch(39.4% 0.088 250.6);

Tailwind

colors: {
  custom: {
    50: '#657a9b',
    500: '#1c4873',
    950: '#000000',
  },
}

SCSS

$custom: #1c4873;
$custom-light: #657a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4873",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 115
  },
  "hsl": {
    "h": 209.655,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.39369,
    "c": 0.0876,
    "h": 250.6
  },
  "luminance": 0.06119
}

Semantic roles & 50–950 ramp

primary

#1C4873

secondary

#A77543

accent

#9344E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1C4873

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

Preview Lab → · Contrast checker → · Palette generator →