#155C74#155C74

#155C74 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.4% C 0.077 H 225.9°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#155C74
RGB	rgb(21, 92, 116)
HSL	hsl(195, 69%, 27%)
HSV	hsv(195, 82%, 45%)
CMYK	cmyk(81.9%, 20.7%, 0%, 54.5%)
CIE-LAB	lab(36.13, -12.27, -19.66)
CIE-LCH	lch(36.13, 23.18, 238.04°)
OKLab	oklab(44.42% -0.0535 -0.0552)
OKLCH	oklch(44.42% 0.077 225.9)
XYZ	xyz(7.2875, 9.0738, 17.8869)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C74 #742D15

analogous

#15745D #155C74 #152D74

triadic

#155C74 #74155C #5C7415

tetradic

#155C74 #5D1574 #742D15 #2D7415

square

#155C74 #5D1574 #742D15 #2D7415

split-complementary

#155C74 #74152D #745D15

monochromatic

#05151A #0C3340 #155C74 #1E85A8 #2BADD9

Accessibility & contrast

On white

7.46

#155C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C74

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C74	#FFFFFF	#000000	##FFFFFF
##155C74	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5A75

Deuteranopia (green-blind)

#425174

Tritanopia (blue-blind)

#006364

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155c74;
/* rgb */ color: rgb(21, 92, 116);
/* oklch */ color: oklch(44.4% 0.077 225.9);

Tailwind

colors: {
  custom: {
    50: '#648a9c',
    500: '#155c74',
    950: '#000000',
  },
}

SCSS

$custom: #155c74;
$custom-light: #648a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#155c74",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 116
  },
  "hsl": {
    "h": 195.158,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.44421,
    "c": 0.07686,
    "h": 225.9
  },
  "luminance": 0.09075
}

Semantic roles & 50–950 ramp

primary

#155C74

secondary

#AA573B

accent

#683CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155C74

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

Preview Lab → · Contrast checker → · Palette generator →