#155F75#155F75

#155F75 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.3% C 0.077 H 223.0°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#155F75
RGB	rgb(21, 95, 117)
HSL	hsl(194, 70%, 27%)
HSV	hsv(194, 82%, 46%)
CMYK	cmyk(82.1%, 18.8%, 0%, 54.1%)
CIE-LAB	lab(37.16, -13.65, -18.67)
CIE-LCH	lch(37.16, 23.13, 233.84°)
OKLab	oklab(45.27% -0.0562 -0.0523)
OKLCH	oklch(45.27% 0.077 223)
XYZ	xyz(7.6110, 9.6273, 18.2833)
Luminance	0.0963 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F75 #752B15

analogous

#15755B #155F75 #152F75

triadic

#155F75 #75155F #5F7515

tetradic

#155F75 #5B1575 #752B15 #2F7515

square

#155F75 #5B1575 #752B15 #2F7515

split-complementary

#155F75 #75152F #755B15

monochromatic

#05151A #0C3541 #155F75 #1E89A9 #2BB1D9

Accessibility & contrast

On white

7.18

#155F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#155F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F75

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F75	#FFFFFF	#000000	##FFFFFF
##155F75	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525D76

Deuteranopia (green-blind)

#465375

Tritanopia (blue-blind)

#006666

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155f75;
/* rgb */ color: rgb(21, 95, 117);
/* oklch */ color: oklch(45.3% 0.077 223.0);

Tailwind

colors: {
  custom: {
    50: '#648c9c',
    500: '#155f75',
    950: '#000000',
  },
}

SCSS

$custom: #155f75;
$custom-light: #648c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#155f75",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 117
  },
  "hsl": {
    "h": 193.75,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.45269,
    "c": 0.07681,
    "h": 223
  },
  "luminance": 0.09628
}

Semantic roles & 50–950 ramp

primary

#155F75

secondary

#AB553B

accent

#643BEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155F75

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

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