#1B567F#1B567F

#1B567F is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.090 H 243.4°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B567F
RGB	rgb(27, 86, 127)
HSL	hsl(205, 65%, 30%)
HSV	hsv(205, 79%, 50%)
CMYK	cmyk(78.7%, 32.3%, 0%, 50.2%)
CIE-LAB	lab(34.84, -3.66, -28.44)
CIE-LCH	lch(34.84, 28.67, 262.68°)
OKLab	oklab(43.62% -0.0403 -0.0806)
OKLCH	oklch(43.62% 0.09 243.4)
XYZ	xyz(7.6091, 8.4200, 21.2988)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B567F #7F441B

analogous

#1B7F76 #1B567F #1B247F

triadic

#1B567F #7F1B56 #567F1B

tetradic

#1B567F #761B7F #7F441B #247F1B

square

#1B567F #761B7F #7F441B #247F1B

split-complementary

#1B567F #7F1B24 #7F761B

monochromatic

#06121A #10344D #1B567F #2678B1 #3E98D6

Accessibility & contrast

On white

7.82

#1B567F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1B567F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B567F

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B567F	#FFFFFF	#000000	##FFFFFF
##1B567F	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435781

Deuteranopia (green-blind)

#354E7E

Tritanopia (blue-blind)

#006065

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b567f;
/* rgb */ color: rgb(27, 86, 127);
/* oklch */ color: oklch(43.6% 0.090 243.4);

Tailwind

colors: {
  custom: {
    50: '#6785a4',
    500: '#1b567f',
    950: '#000000',
  },
}

SCSS

$custom: #1b567f;
$custom-light: #6785a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b567f",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 127
  },
  "hsl": {
    "h": 204.6,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.43617,
    "c": 0.09014,
    "h": 243.4
  },
  "luminance": 0.08421
}

Semantic roles & 50–950 ramp

primary

#1B567F

secondary

#B37143

accent

#8540E8

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1B567F

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

Preview Lab → · Contrast checker → · Palette generator →