#1D4A73#1D4A73

#1D4A73 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.9% C 0.085 H 249.0°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#1D4A73
RGB	rgb(29, 74, 115)
HSL	hsl(209, 60%, 28%)
HSV	hsv(209, 75%, 45%)
CMYK	cmyk(74.8%, 35.7%, 0%, 54.9%)
CIE-LAB	lab(30.39, -0.33, -27.99)
CIE-LCH	lch(30.39, 27.99, 269.32°)
OKLab	oklab(39.91% -0.0305 -0.0795)
OKLCH	oklch(39.91% 0.085 249)
XYZ	xyz(6.0488, 6.3959, 17.1321)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4A73 #73461D

analogous

#1D7371 #1D4A73 #1D1F73

triadic

#1D4A73 #731D4A #4A731D

tetradic

#1D4A73 #711D73 #73461D #1F731D

square

#1D4A73 #711D73 #73461D #1F731D

split-complementary

#1D4A73 #731D1F #73711D

monochromatic

#061018 #112B42 #1D4A73 #2969A4 #3C89CE

Accessibility & contrast

On white

9.21

#1D4A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1D4A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A73

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4A73	#FFFFFF	#000000	##FFFFFF
##1D4A73	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374C75

Deuteranopia (green-blind)

#2B4472

Tritanopia (blue-blind)

#005459

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4a73;
/* rgb */ color: rgb(29, 74, 115);
/* oklch */ color: oklch(39.9% 0.085 249.0);

Tailwind

colors: {
  custom: {
    50: '#657c9b',
    500: '#1d4a73',
    950: '#000000',
  },
}

SCSS

$custom: #1d4a73;
$custom-light: #657c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4a73",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 115
  },
  "hsl": {
    "h": 208.605,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.39913,
    "c": 0.0851,
    "h": 249
  },
  "luminance": 0.06397
}

Semantic roles & 50–950 ramp

primary

#1D4A73

secondary

#A77445

accent

#9045E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1D4A73

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

Preview Lab → · Contrast checker → · Palette generator →