#1B568E#1B568E

#1B568E is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.110 H 250.9°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B568E
RGB	rgb(27, 86, 142)
HSL	hsl(209, 68%, 33%)
HSV	hsv(209, 81%, 56%)
CMYK	cmyk(81%, 39.4%, 0%, 44.3%)
CIE-LAB	lab(35.68, 2.25, -36.30)
CIE-LCH	lch(35.68, 36.37, 273.55°)
OKLab	oklab(44.54% -0.0359 -0.1036)
OKLCH	oklch(44.54% 0.11 250.9)
XYZ	xyz(8.6604, 8.8405, 26.8359)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B568E #8E531B

analogous

#1B8E8C #1B568E #1B1D8E

triadic

#1B568E #8E1B56 #568E1B

tetradic

#1B568E #8C1B8E #8E531B #1D8E1B

square

#1B568E #8C1B8E #8E531B #1D8E1B

split-complementary

#1B568E #8E1B1D #8E8C1B

monochromatic

#071827 #11375B #1B568E #2575C1 #4794DC

Accessibility & contrast

On white

7.59

#1B568E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1B568E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B568E

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B568E	#FFFFFF	#000000	##FFFFFF
##1B568E	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5A90

Deuteranopia (green-blind)

#294F8D

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b568e;
/* rgb */ color: rgb(27, 86, 142);
/* oklch */ color: oklch(44.5% 0.110 250.9);

Tailwind

colors: {
  custom: {
    50: '#6a85af',
    500: '#1b568e',
    950: '#000000',
  },
}

SCSS

$custom: #1b568e;
$custom-light: #6a85af;
$custom-dark: #000000;

JSON

{
  "hex": "#1b568e",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 142
  },
  "hsl": {
    "h": 209.217,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44544,
    "c": 0.10964,
    "h": 250.9
  },
  "luminance": 0.08842
}

Semantic roles & 50–950 ramp

primary

#1B568E

secondary

#BE8147

accent

#923DEB

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1B568E

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

Preview Lab → · Contrast checker → · Palette generator →