#155F74#155F74

#155F74 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.2% C 0.076 H 221.9°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#155F74
RGB	rgb(21, 95, 116)
HSL	hsl(193, 69%, 27%)
HSV	hsv(193, 82%, 45%)
CMYK	cmyk(81.9%, 18.1%, 0%, 54.5%)
CIE-LAB	lab(37.12, -14.02, -18.13)
CIE-LCH	lch(37.12, 22.91, 232.29°)
OKLab	oklab(45.22% -0.0566 -0.0508)
OKLCH	oklch(45.22% 0.076 221.9)
XYZ	xyz(7.5525, 9.6039, 17.9753)
Luminance	0.0960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F74 #742A15

analogous

#15745A #155F74 #153074

triadic

#155F74 #74155F #5F7415

tetradic

#155F74 #5A1574 #742A15 #307415

square

#155F74 #5A1574 #742A15 #307415

split-complementary

#155F74 #741530 #745A15

monochromatic

#05151A #0C3540 #155F74 #1E89A8 #2BB2D9

Accessibility & contrast

On white

7.19

#155F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#155F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F74

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F74	#FFFFFF	#000000	##FFFFFF
##155F74	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535C75

Deuteranopia (green-blind)

#465374

Tritanopia (blue-blind)

#006666

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155f74;
/* rgb */ color: rgb(21, 95, 116);
/* oklch */ color: oklch(45.2% 0.076 221.9);

Tailwind

colors: {
  custom: {
    50: '#648c9c',
    500: '#155f74',
    950: '#000000',
  },
}

SCSS

$custom: #155f74;
$custom-light: #648c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#155f74",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 116
  },
  "hsl": {
    "h": 193.263,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.4522,
    "c": 0.07606,
    "h": 221.9
  },
  "luminance": 0.09605
}

Semantic roles & 50–950 ramp

primary

#155F74

secondary

#AA533B

accent

#633CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155F74

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

Preview Lab → · Contrast checker → · Palette generator →