#155C7F#155C7F

#155C7F is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.0% C 0.088 H 235.8°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#155C7F
RGB	rgb(21, 92, 127)
HSL	hsl(200, 72%, 29%)
HSV	hsv(200, 83%, 50%)
CMYK	cmyk(83.5%, 27.6%, 0%, 50.2%)
CIE-LAB	lab(36.64, -8.09, -25.63)
CIE-LCH	lch(36.64, 26.88, 252.48°)
OKLab	oklab(45% -0.0492 -0.0724)
OKLCH	oklch(45% 0.088 235.8)
XYZ	xyz(7.9656, 9.3450, 21.4585)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C7F #7F3815

analogous

#157F6D #155C7F #15277F

triadic

#155C7F #7F155C #5C7F15

tetradic

#155C7F #6D157F #7F3815 #277F15

square

#155C7F #6D157F #7F3815 #277F15

split-complementary

#155C7F #7F1527 #7F6D15

monochromatic

#04131A #0C364A #155C7F #1E82B4 #31A4DD

Accessibility & contrast

On white

7.32

#155C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#155C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C7F

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C7F	#FFFFFF	#000000	##FFFFFF
##155C7F	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5C81

Deuteranopia (green-blind)

#3D527E

Tritanopia (blue-blind)

#006568

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155c7f;
/* rgb */ color: rgb(21, 92, 127);
/* oklch */ color: oklch(45.0% 0.088 235.8);

Tailwind

colors: {
  custom: {
    50: '#668aa4',
    500: '#155c7f',
    950: '#000000',
  },
}

SCSS

$custom: #155c7f;
$custom-light: #668aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#155c7f",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 127
  },
  "hsl": {
    "h": 199.811,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.45002,
    "c": 0.08756,
    "h": 235.8
  },
  "luminance": 0.09346
}

Semantic roles & 50–950 ramp

primary

#155C7F

secondary

#B4633C

accent

#7539EE

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155C7F

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

Preview Lab → · Contrast checker → · Palette generator →