#155D7C#155D7C

#155D7C is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.1% C 0.084 H 232.2°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#155D7C
RGB	rgb(21, 93, 124)
HSL	hsl(198, 71%, 28%)
HSV	hsv(198, 83%, 49%)
CMYK	cmyk(83.1%, 25%, 0%, 51.4%)
CIE-LAB	lab(36.82, -9.84, -23.51)
CIE-LCH	lch(36.82, 25.48, 247.28°)
OKLab	oklab(45.1% -0.0514 -0.0662)
OKLCH	oklch(45.1% 0.084 232.2)
XYZ	xyz(7.8602, 9.4424, 20.4732)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D7C #7C3415

analogous

#157C67 #155D7C #152A7C

triadic

#155D7C #7C155D #5D7C15

tetradic

#155D7C #67157C #7C3415 #2A7C15

square

#155D7C #67157C #7C3415 #2A7C15

split-complementary

#155D7C #7C152A #7C6715

monochromatic

#04141A #0C3648 #155D7C #1E84B0 #30A8DC

Accessibility & contrast

On white

7.27

#155D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#155D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D7C

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D7C	#FFFFFF	#000000	##FFFFFF
##155D7C	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5C7D

Deuteranopia (green-blind)

#40527C

Tritanopia (blue-blind)

#006567

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155d7c;
/* rgb */ color: rgb(21, 93, 124);
/* oklch */ color: oklch(45.1% 0.084 232.2);

Tailwind

colors: {
  custom: {
    50: '#658aa2',
    500: '#155d7c',
    950: '#000000',
  },
}

SCSS

$custom: #155d7c;
$custom-light: #658aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#155d7c",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 124
  },
  "hsl": {
    "h": 198.058,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.45099,
    "c": 0.08383,
    "h": 232.2
  },
  "luminance": 0.09443
}

Semantic roles & 50–950 ramp

primary

#155D7C

secondary

#B15F3C

accent

#703AEE

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #155D7C

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

Preview Lab → · Contrast checker → · Palette generator →