#1B446A#1B446A

#1B446A is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.7% C 0.080 H 249.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#1B446A
RGB	rgb(27, 68, 106)
HSL	hsl(209, 59%, 26%)
HSV	hsv(209, 75%, 42%)
CMYK	cmyk(74.5%, 35.8%, 0%, 58.4%)
CIE-LAB	lab(27.86, -0.24, -26.28)
CIE-LCH	lch(27.86, 26.29, 269.47°)
OKLab	oklab(37.74% -0.0282 -0.0746)
OKLCH	oklch(37.74% 0.08 249.3)
XYZ	xyz(5.1197, 5.4073, 14.4068)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B446A #6A411B

analogous

#1B6A68 #1B446A #1B1C6A

triadic

#1B446A #6A1B44 #446A1B

tetradic

#1B446A #681B6A #6A411B #1C6A1B

square

#1B446A #681B6A #6A411B #1C6A1B

split-complementary

#1B446A #6A1B1C #6A681B

monochromatic

#061018 #0F2539 #1B446A #27639B #3483CB

Accessibility & contrast

On white

10.09

#1B446A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1B446A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B446A

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B446A	#FFFFFF	#000000	##FFFFFF
##1B446A	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33466C

Deuteranopia (green-blind)

#283E69

Tritanopia (blue-blind)

#004D52

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b446a;
/* rgb */ color: rgb(27, 68, 106);
/* oklch */ color: oklch(37.7% 0.080 249.3);

Tailwind

colors: {
  custom: {
    50: '#627795',
    500: '#1b446a',
    950: '#000000',
  },
}

SCSS

$custom: #1b446a;
$custom-light: #627795;
$custom-dark: #000000;

JSON

{
  "hex": "#1b446a",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 106
  },
  "hsl": {
    "h": 208.861,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.37745,
    "c": 0.07974,
    "h": 249.3
  },
  "luminance": 0.05408
}

Semantic roles & 50–950 ramp

primary

#1B446A

secondary

#9F6F42

accent

#9145E3

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1B446A

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

Preview Lab → · Contrast checker → · Palette generator →