#1D4F79#1D4F79

#1D4F79 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.088 H 247.4°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#1D4F79
RGB	rgb(29, 79, 121)
HSL	hsl(207, 61%, 29%)
HSV	hsv(207, 76%, 47%)
CMYK	cmyk(76%, 34.7%, 0%, 52.5%)
CIE-LAB	lab(32.33, -1.24, -28.68)
CIE-LCH	lch(32.33, 28.70, 267.52°)
OKLab	oklab(41.55% -0.0339 -0.0814)
OKLCH	oklch(41.55% 0.088 247.4)
XYZ	xyz(6.7526, 7.2329, 19.1257)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4F79 #79471D

analogous

#1D7975 #1D4F79 #1D2179

triadic

#1D4F79 #791D4F #4F791D

tetradic

#1D4F79 #751D79 #79471D #21791D

square

#1D4F79 #751D79 #79471D #21791D

split-complementary

#1D4F79 #791D21 #79751D

monochromatic

#061019 #112F48 #1D4F79 #296FAA #3F8FD1

Accessibility & contrast

On white

8.58

#1D4F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1D4F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F79

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4F79	#FFFFFF	#000000	##FFFFFF
##1D4F79	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C517B

Deuteranopia (green-blind)

#2F4878

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4f79;
/* rgb */ color: rgb(29, 79, 121);
/* oklch */ color: oklch(41.5% 0.088 247.4);

Tailwind

colors: {
  custom: {
    50: '#6680a0',
    500: '#1d4f79',
    950: '#000000',
  },
}

SCSS

$custom: #1d4f79;
$custom-light: #6680a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4f79",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 121
  },
  "hsl": {
    "h": 207.391,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41548,
    "c": 0.08816,
    "h": 247.4
  },
  "luminance": 0.07234
}

Semantic roles & 50–950 ramp

primary

#1D4F79

secondary

#AD7445

accent

#8D43E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #1D4F79

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

Preview Lab → · Contrast checker → · Palette generator →