#1D4473#1D4473

#1D4473 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.4% C 0.092 H 254.7°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D4473
RGB	rgb(29, 68, 115)
HSL	hsl(213, 60%, 28%)
HSV	hsv(213, 75%, 45%)
CMYK	cmyk(74.8%, 40.9%, 0%, 54.9%)
CIE-LAB	lab(28.47, 3.67, -31.04)
CIE-LCH	lch(28.47, 31.26, 276.75°)
OKLab	oklab(38.41% -0.0242 -0.0885)
OKLCH	oklch(38.41% 0.092 254.7)
XYZ	xyz(5.6672, 5.6326, 17.0049)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4473 #734C1D

analogous

#1D6F73 #1D4473 #211D73

triadic

#1D4473 #731D44 #44731D

tetradic

#1D4473 #731D6F #734C1D #1D7321

square

#1D4473 #731D6F #734C1D #1D7321

split-complementary

#1D4473 #73211D #6F731D

monochromatic

#060E18 #112742 #1D4473 #2961A4 #3C7ECE

Accessibility & contrast

On white

9.87

#1D4473 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1D4473 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4473

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4473	#FFFFFF	#000000	##FFFFFF
##1D4473	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4775

Deuteranopia (green-blind)

#213F72

Tritanopia (blue-blind)

#004F56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d4473;
/* rgb */ color: rgb(29, 68, 115);
/* oklch */ color: oklch(38.4% 0.092 254.7);

Tailwind

colors: {
  custom: {
    50: '#65779b',
    500: '#1d4473',
    950: '#000000',
  },
}

SCSS

$custom: #1d4473;
$custom-light: #65779b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4473",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 115
  },
  "hsl": {
    "h": 212.791,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38407,
    "c": 0.09172,
    "h": 254.7
  },
  "luminance": 0.05633
}

Semantic roles & 50–950 ramp

primary

#1D4473

secondary

#A77A45

accent

#9B45E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4473

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

Preview Lab → · Contrast checker → · Palette generator →