#1B5673#1B5673

#1B5673 is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.9% C 0.076 H 234.2°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#1B5673
RGB	rgb(27, 86, 115)
HSL	hsl(200, 62%, 28%)
HSV	hsv(200, 77%, 45%)
CMYK	cmyk(76.5%, 25.2%, 0%, 54.9%)
CIE-LAB	lab(34.24, -8.26, -21.95)
CIE-LCH	lch(34.24, 23.45, 249.39°)
OKLab	oklab(42.94% -0.0446 -0.0618)
OKLCH	oklch(42.94% 0.076 234.2)
XYZ	xyz(6.8731, 8.1256, 17.4225)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5673 #73381B

analogous

#1B7364 #1B5673 #1B2A73

triadic

#1B5673 #731B56 #56731B

tetradic

#1B5673 #641B73 #73381B #2A731B

square

#1B5673 #641B73 #73381B #2A731B

split-complementary

#1B5673 #731B2A #73641B

monochromatic

#061319 #0F3141 #1B5673 #277BA5 #389ED0

Accessibility & contrast

On white

8.00

#1B5673 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#1B5673 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5673

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5673	#FFFFFF	#000000	##FFFFFF
##1B5673	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485574

Deuteranopia (green-blind)

#3C4D73

Tritanopia (blue-blind)

#005E60

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5673;
/* rgb */ color: rgb(27, 86, 115);
/* oklch */ color: oklch(42.9% 0.076 234.2);

Tailwind

colors: {
  custom: {
    50: '#65859b',
    500: '#1b5673',
    950: '#000000',
  },
}

SCSS

$custom: #1b5673;
$custom-light: #65859b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5673",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 115
  },
  "hsl": {
    "h": 199.773,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.42944,
    "c": 0.0762,
    "h": 234.2
  },
  "luminance": 0.08126
}

Semantic roles & 50–950 ramp

primary

#1B5673

secondary

#A86442

accent

#7843E5

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1B5673

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

Preview Lab → · Contrast checker → · Palette generator →