#155373#155373

#155373 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.0% C 0.081 H 236.4°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#155373
RGB	rgb(21, 83, 115)
HSL	hsl(200, 69%, 27%)
HSV	hsv(200, 82%, 45%)
CMYK	cmyk(81.7%, 27.8%, 0%, 54.9%)
CIE-LAB	lab(33.10, -7.21, -23.75)
CIE-LCH	lch(33.10, 24.82, 253.12°)
OKLab	oklab(41.99% -0.0445 -0.0671)
OKLCH	oklch(41.99% 0.081 236.4)
XYZ	xyz(6.4958, 7.5830, 17.3376)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155373 #733515

analogous

#157364 #155373 #152473

triadic

#155373 #731553 #537315

tetradic

#155373 #641573 #733515 #247315

square

#155373 #641573 #733515 #247315

split-complementary

#155373 #731524 #736415

monochromatic

#05131A #0C2E3F #155373 #1E78A7 #2A9DD8

Accessibility & contrast

On white

8.34

#155373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#155373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155373

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155373	#FFFFFF	#000000	##FFFFFF
##155373	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445374

Deuteranopia (green-blind)

#374A72

Tritanopia (blue-blind)

#005B5E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #155373;
/* rgb */ color: rgb(21, 83, 115);
/* oklch */ color: oklch(42.0% 0.081 236.4);

Tailwind

colors: {
  custom: {
    50: '#63839b',
    500: '#155373',
    950: '#000000',
  },
}

SCSS

$custom: #155373;
$custom-light: #63839b;
$custom-dark: #000000;

JSON

{
  "hex": "#155373",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 115
  },
  "hsl": {
    "h": 200.426,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.41989,
    "c": 0.08051,
    "h": 236.4
  },
  "luminance": 0.07584
}

Semantic roles & 50–950 ramp

primary

#155373

secondary

#A9603B

accent

#783CEC

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #155373

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

Preview Lab → · Contrast checker → · Palette generator →