#155F70#155F70

#155F70 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.0% C 0.073 H 217.3°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#155F70
RGB	rgb(21, 95, 112)
HSL	hsl(191, 68%, 26%)
HSV	hsv(191, 81%, 44%)
CMYK	cmyk(81.2%, 15.2%, 0%, 56.1%)
CIE-LAB	lab(36.95, -15.47, -15.92)
CIE-LCH	lch(36.95, 22.20, 225.82°)
OKLab	oklab(45.03% -0.0584 -0.0445)
OKLCH	oklch(45.03% 0.073 217.3)
XYZ	xyz(7.3249, 9.5128, 16.7762)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F70 #702615

analogous

#157053 #155F70 #153170

triadic

#155F70 #70155F #5F7015

tetradic

#155F70 #531570 #702615 #317015

square

#155F70 #531570 #702615 #317015

split-complementary

#155F70 #701531 #705315

monochromatic

#05161A #0B333C #155F70 #1F8BA4 #29B6D7

Accessibility & contrast

On white

7.23

#155F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#155F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F70

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F70	#FFFFFF	#000000	##FFFFFF
##155F70	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545C71

Deuteranopia (green-blind)

#485370

Tritanopia (blue-blind)

#006564

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155f70;
/* rgb */ color: rgb(21, 95, 112);
/* oklch */ color: oklch(45.0% 0.073 217.3);

Tailwind

colors: {
  custom: {
    50: '#638c99',
    500: '#155f70',
    950: '#000000',
  },
}

SCSS

$custom: #155f70;
$custom-light: #638c99;
$custom-dark: #000000;

JSON

{
  "hex": "#155f70",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 112
  },
  "hsl": {
    "h": 191.209,
    "s": 68.421,
    "l": 26.078
  },
  "oklch": {
    "l": 0.45029,
    "c": 0.07339,
    "h": 217.3
  },
  "luminance": 0.09514
}

Semantic roles & 50–950 ramp

primary

#155F70

secondary

#A64F3B

accent

#5D3DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #155F70

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

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