#1B568F#1B568F

#1B568F is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.6% C 0.111 H 251.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#1B568F
RGB	rgb(27, 86, 143)
HSL	hsl(209, 68%, 33%)
HSV	hsv(209, 81%, 56%)
CMYK	cmyk(81.1%, 39.9%, 0%, 43.9%)
CIE-LAB	lab(35.73, 2.65, -36.81)
CIE-LCH	lch(35.73, 36.91, 274.12°)
OKLab	oklab(44.61% -0.0356 -0.1051)
OKLCH	oklch(44.61% 0.111 251.3)
XYZ	xyz(8.7358, 8.8707, 27.2331)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B568F #8F541B

analogous

#1B8F8E #1B568F #1B1C8F

triadic

#1B568F #8F1B56 #568F1B

tetradic

#1B568F #8E1B8F #8F541B #1C8F1B

square

#1B568F #8E1B8F #8F541B #1C8F1B

split-complementary

#1B568F #8F1B1C #8F8E1B

monochromatic

#081828 #11375C #1B568F #2575C2 #4893DC

Accessibility & contrast

On white

7.57

#1B568F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1B568F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B568F

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B568F	#FFFFFF	#000000	##FFFFFF
##1B568F	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5A91

Deuteranopia (green-blind)

#284F8E

Tritanopia (blue-blind)

#00646B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b568f;
/* rgb */ color: rgb(27, 86, 143);
/* oklch */ color: oklch(44.6% 0.111 251.3);

Tailwind

colors: {
  custom: {
    50: '#6b85b0',
    500: '#1b568f',
    950: '#000000',
  },
}

SCSS

$custom: #1b568f;
$custom-light: #6b85b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b568f",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 143
  },
  "hsl": {
    "h": 209.483,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44609,
    "c": 0.11098,
    "h": 251.3
  },
  "luminance": 0.08872
}

Semantic roles & 50–950 ramp

primary

#1B568F

secondary

#BE8248

accent

#923DEB

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1B568F

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

Preview Lab → · Contrast checker → · Palette generator →