#1D4D79#1D4D79

#1D4D79 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.0% C 0.090 H 249.3°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D79
RGB	rgb(29, 77, 121)
HSL	hsl(209, 61%, 29%)
HSV	hsv(209, 76%, 47%)
CMYK	cmyk(76%, 36.4%, 0%, 52.5%)
CIE-LAB	lab(31.69, 0.06, -29.69)
CIE-LCH	lch(31.69, 29.69, 270.12°)
OKLab	oklab(41.04% -0.0318 -0.0844)
OKLCH	oklch(41.04% 0.09 249.3)
XYZ	xyz(6.6105, 6.9487, 19.0783)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D79 #79491D

analogous

#1D7977 #1D4D79 #1D1F79

triadic

#1D4D79 #791D4D #4D791D

tetradic

#1D4D79 #771D79 #79491D #1F791D

square

#1D4D79 #771D79 #79491D #1F791D

split-complementary

#1D4D79 #791D1F #79771D

monochromatic

#061019 #112E48 #1D4D79 #296CAA #3F8BD1

Accessibility & contrast

On white

8.79

#1D4D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1D4D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D79

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D79	#FFFFFF	#000000	##FFFFFF
##1D4D79	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394F7B

Deuteranopia (green-blind)

#2C4778

Tritanopia (blue-blind)

#00575D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4d79;
/* rgb */ color: rgb(29, 77, 121);
/* oklch */ color: oklch(41.0% 0.090 249.3);

Tailwind

colors: {
  custom: {
    50: '#667ea0',
    500: '#1d4d79',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d79;
$custom-light: #667ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d79",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 121
  },
  "hsl": {
    "h": 208.696,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41043,
    "c": 0.09018,
    "h": 249.3
  },
  "luminance": 0.06949
}

Semantic roles & 50–950 ramp

primary

#1D4D79

secondary

#AD7745

accent

#9043E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #1D4D79

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

Preview Lab → · Contrast checker → · Palette generator →