#1B568C#1B568C

#1B568C is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.4% C 0.107 H 250.1°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1B568C
RGB	rgb(27, 86, 140)
HSL	hsl(209, 68%, 33%)
HSV	hsv(209, 81%, 55%)
CMYK	cmyk(80.7%, 38.6%, 0%, 45.1%)
CIE-LAB	lab(35.56, 1.46, -35.27)
CIE-LCH	lch(35.56, 35.30, 272.37°)
OKLab	oklab(44.42% -0.0364 -0.1006)
OKLCH	oklch(44.42% 0.107 250.1)
XYZ	xyz(8.5116, 8.7810, 26.0522)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B568C #8C511B

analogous

#1B8C8A #1B568C #1B1D8C

triadic

#1B568C #8C1B56 #568C1B

tetradic

#1B568C #8A1B8C #8C511B #1D8C1B

square

#1B568C #8A1B8C #8C511B #1D8C1B

split-complementary

#1B568C #8C1B1D #8C8A1B

monochromatic

#071725 #113659 #1B568C #2576BF #4694DB

Accessibility & contrast

On white

7.62

#1B568C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1B568C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B568C

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B568C	#FFFFFF	#000000	##FFFFFF
##1B568C	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C598E

Deuteranopia (green-blind)

#2B4F8B

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b568c;
/* rgb */ color: rgb(27, 86, 140);
/* oklch */ color: oklch(44.4% 0.107 250.1);

Tailwind

colors: {
  custom: {
    50: '#6a85ae',
    500: '#1b568c',
    950: '#000000',
  },
}

SCSS

$custom: #1b568c;
$custom-light: #6a85ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b568c",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 140
  },
  "hsl": {
    "h": 208.673,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44415,
    "c": 0.10696,
    "h": 250.1
  },
  "luminance": 0.08782
}

Semantic roles & 50–950 ramp

primary

#1B568C

secondary

#BD7F46

accent

#903DEB

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B568C

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

Preview Lab → · Contrast checker → · Palette generator →