#155A77#155A77

#155A77 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.0% C 0.080 H 231.4°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#155A77
RGB	rgb(21, 90, 119)
HSL	hsl(198, 70%, 27%)
HSV	hsv(198, 82%, 47%)
CMYK	cmyk(82.4%, 24.4%, 0%, 53.3%)
CIE-LAB	lab(35.60, -9.95, -22.33)
CIE-LCH	lch(35.60, 24.44, 245.99°)
OKLab	oklab(44.05% -0.0502 -0.0629)
OKLCH	oklch(44.05% 0.08 231.4)
XYZ	xyz(7.2938, 8.8028, 18.7639)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A77 #773215

analogous

#157763 #155A77 #152977

triadic

#155A77 #77155A #5A7715

tetradic

#155A77 #631577 #773215 #297715

square

#155A77 #631577 #773215 #297715

split-complementary

#155A77 #771529 #776315

monochromatic

#05141A #0C3343 #155A77 #1E81AB #2DA7DA

Accessibility & contrast

On white

7.61

#155A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#155A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A77

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A77	#FFFFFF	#000000	##FFFFFF
##155A77	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5978

Deuteranopia (green-blind)

#3E5077

Tritanopia (blue-blind)

#006264

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155a77;
/* rgb */ color: rgb(21, 90, 119);
/* oklch */ color: oklch(44.0% 0.080 231.4);

Tailwind

colors: {
  custom: {
    50: '#64889e',
    500: '#155a77',
    950: '#000000',
  },
}

SCSS

$custom: #155a77;
$custom-light: #64889e;
$custom-dark: #000000;

JSON

{
  "hex": "#155a77",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 119
  },
  "hsl": {
    "h": 197.755,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.44047,
    "c": 0.08047,
    "h": 231.4
  },
  "luminance": 0.08804
}

Semantic roles & 50–950 ramp

primary

#155A77

secondary

#AD5D3B

accent

#703BED

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155A77

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

Preview Lab → · Contrast checker → · Palette generator →