#1B569E#1B569E

#1B569E is a mid, vivid cyan. Relative luminance 0.094; OKLCH L 45.6% C 0.131 H 255.8°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B569E
RGB	rgb(27, 86, 158)
HSL	hsl(213, 71%, 36%)
HSV	hsv(213, 83%, 62%)
CMYK	cmyk(82.9%, 45.6%, 0%, 38%)
CIE-LAB	lab(36.66, 8.65, -44.39)
CIE-LCH	lch(36.66, 45.22, 281.03°)
OKLab	oklab(45.63% -0.0322 -0.1274)
OKLCH	oklch(45.63% 0.131 255.8)
XYZ	xyz(9.9490, 9.3560, 33.6226)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B569E #9E631B

analogous

#1B989E #1B569E #221B9E

triadic

#1B569E #9E1B56 #569E1B

tetradic

#1B569E #9E1B98 #9E631B #1B9E22

square

#1B569E #9E1B98 #9E631B #1B9E22

split-complementary

#1B569E #9E221B #989E1B

monochromatic

#091D35 #123A6A #1B569E #2472D2 #5293E1

Accessibility & contrast

On white

7.31

#1B569E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1B569E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B569E

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B569E	#FFFFFF	#000000	##FFFFFF
##1B569E	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305DA1

Deuteranopia (green-blind)

#12519D

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1b569e;
/* rgb */ color: rgb(27, 86, 158);
/* oklch */ color: oklch(45.6% 0.131 255.8);

Tailwind

colors: {
  custom: {
    50: '#6e85bb',
    500: '#1b569e',
    950: '#000000',
  },
}

SCSS

$custom: #1b569e;
$custom-light: #6e85bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b569e",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 158
  },
  "hsl": {
    "h": 212.977,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45629,
    "c": 0.13137,
    "h": 255.8
  },
  "luminance": 0.09357
}

Semantic roles & 50–950 ramp

primary

#1B569E

secondary

#C49051

accent

#9D3AEE

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1B569E

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

Preview Lab → · Contrast checker → · Palette generator →