#1B569D#1B569D

#1B569D is a mid, vivid cyan. Relative luminance 0.093; OKLCH L 45.6% C 0.130 H 255.6°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#1B569D
RGB	rgb(27, 86, 157)
HSL	hsl(213, 71%, 36%)
HSV	hsv(213, 83%, 62%)
CMYK	cmyk(82.8%, 45.2%, 0%, 38.4%)
CIE-LAB	lab(36.60, 8.25, -43.89)
CIE-LCH	lch(36.60, 44.66, 280.65°)
OKLab	oklab(45.56% -0.0324 -0.1259)
OKLCH	oklch(45.56% 0.13 255.6)
XYZ	xyz(9.8633, 9.3217, 33.1712)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B569D #9D621B

analogous

#1B979D #1B569D #211B9D

triadic

#1B569D #9D1B56 #569D1B

tetradic

#1B569D #9D1B97 #9D621B #1B9D21

square

#1B569D #9D1B97 #9D621B #1B9D21

split-complementary

#1B569D #9D211B #979D1B

monochromatic

#091D35 #123969 #1B569D #2473D1 #5193E1

Accessibility & contrast

On white

7.33

#1B569D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1B569D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B569D

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B569D	#FFFFFF	#000000	##FFFFFF
##1B569D	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315CA0

Deuteranopia (green-blind)

#15519C

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1b569d;
/* rgb */ color: rgb(27, 86, 157);
/* oklch */ color: oklch(45.6% 0.130 255.6);

Tailwind

colors: {
  custom: {
    50: '#6e85ba',
    500: '#1b569d',
    950: '#000000',
  },
}

SCSS

$custom: #1b569d;
$custom-light: #6e85ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1b569d",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 157
  },
  "hsl": {
    "h": 212.769,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45559,
    "c": 0.13001,
    "h": 255.6
  },
  "luminance": 0.09323
}

Semantic roles & 50–950 ramp

primary

#1B569D

secondary

#C48F50

accent

#9C3AED

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1B569D

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

Preview Lab → · Contrast checker → · Palette generator →