#1B5677#1B5677

#1B5677 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.2% C 0.081 H 237.7°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B5677
RGB	rgb(27, 86, 119)
HSL	hsl(202, 63%, 29%)
HSV	hsv(202, 77%, 47%)
CMYK	cmyk(77.3%, 27.7%, 0%, 53.3%)
CIE-LAB	lab(34.44, -6.74, -24.13)
CIE-LCH	lch(34.44, 25.06, 254.40°)
OKLab	oklab(43.16% -0.0431 -0.0681)
OKLCH	oklch(43.16% 0.081 237.7)
XYZ	xyz(7.1082, 8.2197, 18.6611)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5677 #773C1B

analogous

#1B776A #1B5677 #1B2877

triadic

#1B5677 #771B56 #56771B

tetradic

#1B5677 #6A1B77 #773C1B #28771B

square

#1B5677 #6A1B77 #773C1B #28771B

split-complementary

#1B5677 #771B28 #776A1B

monochromatic

#061219 #103245 #1B5677 #267AA9 #3A9CD2

Accessibility & contrast

On white

7.94

#1B5677 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1B5677 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5677

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5677	#FFFFFF	#000000	##FFFFFF
##1B5677	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465679

Deuteranopia (green-blind)

#3A4D76

Tritanopia (blue-blind)

#005E61

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5677;
/* rgb */ color: rgb(27, 86, 119);
/* oklch */ color: oklch(43.2% 0.081 237.7);

Tailwind

colors: {
  custom: {
    50: '#66859e',
    500: '#1b5677',
    950: '#000000',
  },
}

SCSS

$custom: #1b5677;
$custom-light: #66859e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5677",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 119
  },
  "hsl": {
    "h": 201.522,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.43161,
    "c": 0.08059,
    "h": 237.7
  },
  "luminance": 0.0822
}

Semantic roles & 50–950 ramp

primary

#1B5677

secondary

#AB6842

accent

#7D42E6

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1B5677

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

Preview Lab → · Contrast checker → · Palette generator →