#155173#155173

#155173 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.5% C 0.082 H 238.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#155173
RGB	rgb(21, 81, 115)
HSL	hsl(202, 69%, 27%)
HSV	hsv(202, 82%, 45%)
CMYK	cmyk(81.7%, 29.6%, 0%, 54.9%)
CIE-LAB	lab(32.44, -5.96, -24.78)
CIE-LCH	lch(32.44, 25.49, 256.48°)
OKLab	oklab(41.46% -0.0425 -0.0701)
OKLCH	oklch(41.46% 0.082 238.8)
XYZ	xyz(6.3450, 7.2813, 17.2874)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155173 #733715

analogous

#157366 #155173 #152273

triadic

#155173 #731551 #517315

tetradic

#155173 #661573 #733715 #227315

square

#155173 #661573 #733715 #227315

split-complementary

#155173 #731522 #736615

monochromatic

#05121A #0C2D3F #155173 #1E75A7 #2A99D8

Accessibility & contrast

On white

8.55

#155173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#155173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155173

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155173	#FFFFFF	#000000	##FFFFFF
##155173	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415175

Deuteranopia (green-blind)

#344872

Tritanopia (blue-blind)

#005A5D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #155173;
/* rgb */ color: rgb(21, 81, 115);
/* oklch */ color: oklch(41.5% 0.082 238.8);

Tailwind

colors: {
  custom: {
    50: '#63819b',
    500: '#155173',
    950: '#000000',
  },
}

SCSS

$custom: #155173;
$custom-light: #63819b;
$custom-dark: #000000;

JSON

{
  "hex": "#155173",
  "rgb": {
    "r": 21,
    "g": 81,
    "b": 115
  },
  "hsl": {
    "h": 201.702,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.41464,
    "c": 0.08196,
    "h": 238.8
  },
  "luminance": 0.07282
}

Semantic roles & 50–950 ramp

primary

#155173

secondary

#A9633B

accent

#7C3CEC

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #155173

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

Preview Lab → · Contrast checker → · Palette generator →