#1B446F#1B446F

#1B446F is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.1% C 0.087 H 252.1°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#1B446F
RGB	rgb(27, 68, 111)
HSL	hsl(211, 61%, 27%)
HSV	hsv(211, 76%, 44%)
CMYK	cmyk(75.7%, 38.7%, 0%, 56.5%)
CIE-LAB	lab(28.15, 1.75, -29.01)
CIE-LCH	lch(28.15, 29.06, 273.45°)
OKLab	oklab(38.06% -0.0267 -0.0825)
OKLCH	oklch(38.06% 0.087 252.1)
XYZ	xyz(5.3873, 5.5144, 15.8163)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B446F #6F461B

analogous

#1B6E6F #1B446F #1C1B6F

triadic

#1B446F #6F1B44 #446F1B

tetradic

#1B446F #6F1B6E #6F461B #1B6F1C

square

#1B446F #6F1B6E #6F461B #1B6F1C

split-complementary

#1B446F #6F1C1B #6E6F1B

monochromatic

#060F19 #0F263E #1B446F #2762A0 #3680CE

Accessibility & contrast

On white

9.99

#1B446F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1B446F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B446F

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B446F	#FFFFFF	#000000	##FFFFFF
##1B446F	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304771

Deuteranopia (green-blind)

#243F6E

Tritanopia (blue-blind)

#004E54

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b446f;
/* rgb */ color: rgb(27, 68, 111);
/* oklch */ color: oklch(38.1% 0.087 252.1);

Tailwind

colors: {
  custom: {
    50: '#637798',
    500: '#1b446f',
    950: '#000000',
  },
}

SCSS

$custom: #1b446f;
$custom-light: #637798;
$custom-dark: #000000;

JSON

{
  "hex": "#1b446f",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 111
  },
  "hsl": {
    "h": 210.714,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.38064,
    "c": 0.08677,
    "h": 252.1
  },
  "luminance": 0.05515
}

Semantic roles & 50–950 ramp

primary

#1B446F

secondary

#A47442

accent

#9644E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1B446F

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

Preview Lab → · Contrast checker → · Palette generator →