#1D4569#1D4569

#1D4569 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.0% C 0.076 H 248.4°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D4569
RGB	rgb(29, 69, 105)
HSL	hsl(208, 57%, 26%)
HSV	hsv(208, 72%, 41%)
CMYK	cmyk(72.4%, 34.3%, 0%, 58.8%)
CIE-LAB	lab(28.21, -0.96, -25.09)
CIE-LCH	lch(28.21, 25.11, 267.82°)
OKLab	oklab(38.02% -0.0282 -0.0711)
OKLCH	oklch(38.02% 0.076 248.4)
XYZ	xyz(5.1837, 5.5368, 14.1574)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4569 #69411D

analogous

#1D6967 #1D4569 #1D1F69

triadic

#1D4569 #691D45 #45691D

tetradic

#1D4569 #671D69 #69411D #1F691D

square

#1D4569 #671D69 #69411D #1F691D

split-complementary

#1D4569 #691D1F #69671D

monochromatic

#071018 #102539 #1D4569 #2A6599 #3884C8

Accessibility & contrast

On white

9.96

#1D4569 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1D4569 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4569

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4569	#FFFFFF	#000000	##FFFFFF
##1D4569	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35476B

Deuteranopia (green-blind)

#2A3F68

Tritanopia (blue-blind)

#004E52

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d4569;
/* rgb */ color: rgb(29, 69, 105);
/* oklch */ color: oklch(38.0% 0.076 248.4);

Tailwind

colors: {
  custom: {
    50: '#637894',
    500: '#1d4569',
    950: '#000000',
  },
}

SCSS

$custom: #1d4569;
$custom-light: #637894;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4569",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 105
  },
  "hsl": {
    "h": 208.421,
    "s": 56.716,
    "l": 26.275
  },
  "oklch": {
    "l": 0.38021,
    "c": 0.07645,
    "h": 248.4
  },
  "luminance": 0.05537
}

Semantic roles & 50–950 ramp

primary

#1D4569

secondary

#9E6F44

accent

#9048E0

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1D4569

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

Preview Lab → · Contrast checker → · Palette generator →