#1D4A79#1D4A79

#1D4A79 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.093 H 252.1°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D4A79
RGB	rgb(29, 74, 121)
HSL	hsl(211, 61%, 29%)
HSV	hsv(211, 76%, 47%)
CMYK	cmyk(76%, 38.8%, 0%, 52.5%)
CIE-LAB	lab(30.73, 2.04, -31.21)
CIE-LCH	lch(30.73, 31.28, 273.74°)
OKLab	oklab(40.29% -0.0287 -0.0889)
OKLCH	oklch(40.29% 0.093 252.1)
XYZ	xyz(6.4054, 6.5385, 19.0099)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4A79 #794C1D

analogous

#1D7879 #1D4A79 #1E1D79

triadic

#1D4A79 #791D4A #4A791D

tetradic

#1D4A79 #791D78 #794C1D #1D791E

square

#1D4A79 #791D78 #794C1D #1D791E

split-complementary

#1D4A79 #791E1D #78791D

monochromatic

#060F19 #112C48 #1D4A79 #2968AA #3F87D1

Accessibility & contrast

On white

9.10

#1D4A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1D4A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A79

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4A79	#FFFFFF	#000000	##FFFFFF
##1D4A79	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344D7B

Deuteranopia (green-blind)

#274478

Tritanopia (blue-blind)

#00555B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4a79;
/* rgb */ color: rgb(29, 74, 121);
/* oklch */ color: oklch(40.3% 0.093 252.1);

Tailwind

colors: {
  custom: {
    50: '#667ca0',
    500: '#1d4a79',
    950: '#000000',
  },
}

SCSS

$custom: #1d4a79;
$custom-light: #667ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4a79",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 121
  },
  "hsl": {
    "h": 210.652,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.40293,
    "c": 0.0934,
    "h": 252.1
  },
  "luminance": 0.06539
}

Semantic roles & 50–950 ramp

primary

#1D4A79

secondary

#AD7A45

accent

#9643E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #1D4A79

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

Preview Lab → · Contrast checker → · Palette generator →