#1C4973#1C4973

#1C4973 is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.6% C 0.087 H 249.6°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C4973
RGB	rgb(28, 73, 115)
HSL	hsl(209, 61%, 28%)
HSV	hsv(209, 76%, 45%)
CMYK	cmyk(75.7%, 36.5%, 0%, 54.9%)
CIE-LAB	lab(30.03, 0.17, -28.56)
CIE-LCH	lch(30.03, 28.56, 270.34°)
OKLab	oklab(39.62% -0.0301 -0.0811)
OKLCH	oklch(39.62% 0.087 249.6)
XYZ	xyz(5.9548, 6.2491, 17.1087)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4973 #73461C

analogous

#1C7371 #1C4973 #1C1D73

triadic

#1C4973 #731C49 #49731C

tetradic

#1C4973 #711C73 #73461C #1D731C

square

#1C4973 #711C73 #73461C #1D731C

split-complementary

#1C4973 #731C1D #73711C

monochromatic

#061019 #102A42 #1C4973 #2868A4 #3A87CF

Accessibility & contrast

On white

9.33

#1C4973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1C4973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4973

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4973	#FFFFFF	#000000	##FFFFFF
##1C4973	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364B75

Deuteranopia (green-blind)

#294372

Tritanopia (blue-blind)

#005358

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c4973;
/* rgb */ color: rgb(28, 73, 115);
/* oklch */ color: oklch(39.6% 0.087 249.6);

Tailwind

colors: {
  custom: {
    50: '#657b9b',
    500: '#1c4973',
    950: '#000000',
  },
}

SCSS

$custom: #1c4973;
$custom-light: #657b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4973",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 115
  },
  "hsl": {
    "h": 208.966,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.39622,
    "c": 0.08655,
    "h": 249.6
  },
  "luminance": 0.0625
}

Semantic roles & 50–950 ramp

primary

#1C4973

secondary

#A77443

accent

#9144E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1C4973

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

Preview Lab → · Contrast checker → · Palette generator →