#155B7E#155B7E

#155B7E is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.7% C 0.087 H 236.1°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#155B7E
RGB	rgb(21, 91, 126)
HSL	hsl(200, 71%, 29%)
HSV	hsv(200, 83%, 49%)
CMYK	cmyk(83.3%, 27.8%, 0%, 50.6%)
CIE-LAB	lab(36.27, -7.87, -25.60)
CIE-LCH	lch(36.27, 26.78, 252.92°)
OKLab	oklab(44.69% -0.0486 -0.0723)
OKLCH	oklch(44.69% 0.087 236.1)
XYZ	xyz(7.8147, 9.1470, 21.0883)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B7E #7E3815

analogous

#157E6D #155B7E #15277E

triadic

#155B7E #7E155B #5B7E15

tetradic

#155B7E #6D157E #7E3815 #277E15

square

#155B7E #6D157E #7E3815 #277E15

split-complementary

#155B7E #7E1527 #7E6D15

monochromatic

#04131A #0C354A #155B7E #1E81B2 #31A3DD

Accessibility & contrast

On white

7.42

#155B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#155B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B7E

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B7E	#FFFFFF	#000000	##FFFFFF
##155B7E	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5B80

Deuteranopia (green-blind)

#3C517D

Tritanopia (blue-blind)

#006467

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155b7e;
/* rgb */ color: rgb(21, 91, 126);
/* oklch */ color: oklch(44.7% 0.087 236.1);

Tailwind

colors: {
  custom: {
    50: '#6689a3',
    500: '#155b7e',
    950: '#000000',
  },
}

SCSS

$custom: #155b7e;
$custom-light: #6689a3;
$custom-dark: #000000;

JSON

{
  "hex": "#155b7e",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 126
  },
  "hsl": {
    "h": 200,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.44687,
    "c": 0.08715,
    "h": 236.1
  },
  "luminance": 0.09148
}

Semantic roles & 50–950 ramp

primary

#155B7E

secondary

#B3643C

accent

#763AEE

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155B7E

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

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