#1B568D#1B568D

#1B568D is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.108 H 250.5°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B568D
RGB	rgb(27, 86, 141)
HSL	hsl(209, 68%, 33%)
HSV	hsv(209, 81%, 55%)
CMYK	cmyk(80.9%, 39%, 0%, 44.7%)
CIE-LAB	lab(35.62, 1.86, -35.78)
CIE-LCH	lch(35.62, 35.83, 272.97°)
OKLab	oklab(44.48% -0.0361 -0.1021)
OKLCH	oklch(44.48% 0.108 250.5)
XYZ	xyz(8.5857, 8.8106, 26.4423)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B568D #8D521B

analogous

#1B8D8B #1B568D #1B1D8D

triadic

#1B568D #8D1B56 #568D1B

tetradic

#1B568D #8B1B8D #8D521B #1D8D1B

square

#1B568D #8B1B8D #8D521B #1D8D1B

split-complementary

#1B568D #8D1B1D #8D8B1B

monochromatic

#071726 #11375A #1B568D #2575C0 #4794DC

Accessibility & contrast

On white

7.60

#1B568D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1B568D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B568D

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B568D	#FFFFFF	#000000	##FFFFFF
##1B568D	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C598F

Deuteranopia (green-blind)

#2A4F8C

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b568d;
/* rgb */ color: rgb(27, 86, 141);
/* oklch */ color: oklch(44.5% 0.108 250.5);

Tailwind

colors: {
  custom: {
    50: '#6a85ae',
    500: '#1b568d',
    950: '#000000',
  },
}

SCSS

$custom: #1b568d;
$custom-light: #6a85ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b568d",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 141
  },
  "hsl": {
    "h": 208.947,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44479,
    "c": 0.1083,
    "h": 250.5
  },
  "luminance": 0.08812
}

Semantic roles & 50–950 ramp

primary

#1B568D

secondary

#BD8046

accent

#913DEB

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B568D

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

Preview Lab → · Contrast checker → · Palette generator →