#1B446D#1B446D

#1B446D is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.9% C 0.084 H 251.0°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#1B446D
RGB	rgb(27, 68, 109)
HSL	hsl(210, 60%, 27%)
HSV	hsv(210, 75%, 43%)
CMYK	cmyk(75.2%, 37.6%, 0%, 57.3%)
CIE-LAB	lab(28.04, 0.95, -27.92)
CIE-LCH	lch(28.04, 27.94, 271.95°)
OKLab	oklab(37.94% -0.0273 -0.0794)
OKLCH	oklch(37.94% 0.084 251)
XYZ	xyz(5.2784, 5.4708, 15.2428)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B446D #6D441B

analogous

#1B6D6D #1B446D #1B1B6D

triadic

#1B446D #6D1B44 #446D1B

tetradic

#1B446D #6D1B6D #6D441B #1B6D1B

square

#1B446D #6D1B6D #6D441B #1B6D1B

split-complementary

#1B446D #6D1B1B #6D6D1B

monochromatic

#060F19 #0F253C #1B446D #27639E #3581CD

Accessibility & contrast

On white

10.03

#1B446D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1B446D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B446D

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B446D	#FFFFFF	#000000	##FFFFFF
##1B446D	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31466F

Deuteranopia (green-blind)

#253F6C

Tritanopia (blue-blind)

#004E53

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b446d;
/* rgb */ color: rgb(27, 68, 109);
/* oklch */ color: oklch(37.9% 0.084 251.0);

Tailwind

colors: {
  custom: {
    50: '#637797',
    500: '#1b446d',
    950: '#000000',
  },
}

SCSS

$custom: #1b446d;
$custom-light: #637797;
$custom-dark: #000000;

JSON

{
  "hex": "#1b446d",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 109
  },
  "hsl": {
    "h": 210,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37935,
    "c": 0.08395,
    "h": 251
  },
  "luminance": 0.05471
}

Semantic roles & 50–950 ramp

primary

#1B446D

secondary

#A27242

accent

#9444E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1B446D

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

Preview Lab → · Contrast checker → · Palette generator →