#1C4D73#1C4D73

#1C4D73 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.6% C 0.083 H 245.4°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D73
RGB	rgb(28, 77, 115)
HSL	hsl(206, 61%, 28%)
HSV	hsv(206, 76%, 45%)
CMYK	cmyk(75.7%, 33%, 0%, 54.9%)
CIE-LAB	lab(31.33, -2.44, -26.51)
CIE-LCH	lch(31.33, 26.63, 264.73°)
OKLab	oklab(40.64% -0.0343 -0.0751)
OKLCH	oklch(40.64% 0.083 245.4)
XYZ	xyz(6.2261, 6.7917, 17.1991)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D73 #73421C

analogous

#1C736D #1C4D73 #1C2173

triadic

#1C4D73 #731C4D #4D731C

tetradic

#1C4D73 #6D1C73 #73421C #21731C

square

#1C4D73 #6D1C73 #73421C #21731C

split-complementary

#1C4D73 #731C21 #736D1C

monochromatic

#061019 #102C42 #1C4D73 #286EA4 #3A8ECF

Accessibility & contrast

On white

8.90

#1C4D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1C4D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D73

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D73	#FFFFFF	#000000	##FFFFFF
##1C4D73	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4E75

Deuteranopia (green-blind)

#304672

Tritanopia (blue-blind)

#00565B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4d73;
/* rgb */ color: rgb(28, 77, 115);
/* oklch */ color: oklch(40.6% 0.083 245.4);

Tailwind

colors: {
  custom: {
    50: '#657e9b',
    500: '#1c4d73',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d73;
$custom-light: #657e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d73",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 115
  },
  "hsl": {
    "h": 206.207,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.40642,
    "c": 0.08259,
    "h": 245.4
  },
  "luminance": 0.06792
}

Semantic roles & 50–950 ramp

primary

#1C4D73

secondary

#A76F43

accent

#8A44E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C4D73

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

Preview Lab → · Contrast checker → · Palette generator →