#1D4E66#1D4E66

#1D4E66 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.2% C 0.066 H 233.1°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E66
RGB	rgb(29, 78, 102)
HSL	hsl(200, 56%, 26%)
HSV	hsv(200, 72%, 40%)
CMYK	cmyk(71.6%, 23.5%, 0%, 60%)
CIE-LAB	lab(31.04, -7.87, -18.77)
CIE-LCH	lch(31.04, 20.35, 247.24°)
OKLab	oklab(40.21% -0.0395 -0.0527)
OKLCH	oklch(40.21% 0.066 233.1)
XYZ	xyz(5.6284, 6.6687, 13.5584)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E66 #66351D

analogous

#1D6659 #1D4E66 #1D2966

triadic

#1D4E66 #661D4E #4E661D

tetradic

#1D4E66 #591D66 #66351D #29661D

square

#1D4E66 #591D66 #66351D #29661D

split-complementary

#1D4E66 #661D29 #66591D

monochromatic

#071218 #0F2A36 #1D4E66 #2B7296 #3897C5

Accessibility & contrast

On white

9.00

#1D4E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D4E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E66

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E66	#FFFFFF	#000000	##FFFFFF
##1D4E66	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424D67

Deuteranopia (green-blind)

#384666

Tritanopia (blue-blind)

#005456

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4e66;
/* rgb */ color: rgb(29, 78, 102);
/* oklch */ color: oklch(40.2% 0.066 233.1);

Tailwind

colors: {
  custom: {
    50: '#637f91',
    500: '#1d4e66',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e66;
$custom-light: #637f91;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e66",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 102
  },
  "hsl": {
    "h": 199.726,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.40209,
    "c": 0.06584,
    "h": 233.1
  },
  "luminance": 0.06669
}

Semantic roles & 50–950 ramp

primary

#1D4E66

secondary

#9B6144

accent

#7A49DF

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0D

muted

#7A7C7D

Preview Lab

Preview with #1D4E66

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

Preview Lab → · Contrast checker → · Palette generator →