#1D4366#1D4366

#1D4366 is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.3% C 0.074 H 248.8°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#1D4366
RGB	rgb(29, 67, 102)
HSL	hsl(209, 56%, 26%)
HSV	hsv(209, 72%, 40%)
CMYK	cmyk(71.6%, 34.3%, 0%, 60%)
CIE-LAB	lab(27.39, -0.80, -24.47)
CIE-LCH	lch(27.39, 24.48, 268.12°)
OKLab	oklab(37.32% -0.0269 -0.0693)
OKLCH	oklch(37.32% 0.074 248.8)
XYZ	xyz(4.9112, 5.2343, 13.3193)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4366 #66401D

analogous

#1D6664 #1D4366 #1D1E66

triadic

#1D4366 #661D43 #43661D

tetradic

#1D4366 #641D66 #66401D #1E661D

square

#1D4366 #641D66 #66401D #1E661D

split-complementary

#1D4366 #661D1E #66641D

monochromatic

#071018 #0F2436 #1D4366 #2B6296 #3882C5

Accessibility & contrast

On white

10.26

#1D4366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1D4366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4366

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4366	#FFFFFF	#000000	##FFFFFF
##1D4366	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344568

Deuteranopia (green-blind)

#293E65

Tritanopia (blue-blind)

#004B50

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d4366;
/* rgb */ color: rgb(29, 67, 102);
/* oklch */ color: oklch(37.3% 0.074 248.8);

Tailwind

colors: {
  custom: {
    50: '#627692',
    500: '#1d4366',
    950: '#000000',
  },
}

SCSS

$custom: #1d4366;
$custom-light: #627692;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4366",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 102
  },
  "hsl": {
    "h": 208.767,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.37322,
    "c": 0.0743,
    "h": 248.8
  },
  "luminance": 0.05235
}

Semantic roles & 50–950 ramp

primary

#1D4366

secondary

#9B6E44

accent

#9149DF

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080D

muted

#7A7B7D

Preview Lab

Preview with #1D4366

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

Preview Lab → · Contrast checker → · Palette generator →