#155371#155371

#155371 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.9% C 0.078 H 234.7°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#155371
RGBrgb(21, 83, 113)
HSLhsl(200, 69%, 26%)
HSVhsv(200, 81%, 44%)
CMYKcmyk(81.4%, 26.5%, 0%, 55.7%)
CIE-LABlab(33.00, -7.98, -22.66)
CIE-LCHlch(33.00, 24.02, 250.59°)
OKLaboklab(41.88% -0.0453 -0.0639)
OKLCHoklch(41.88% 0.078 234.7)
XYZxyz(6.3820, 7.5374, 16.7381)
Luminance0.0754 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155371 #713315
analogous
#157161 #155371 #152571
triadic
#155371 #711553 #537115
tetradic
#155371 #611571 #713315 #257115
square
#155371 #611571 #713315 #257115
split-complementary
#155371 #711525 #716115
monochromatic
#05131A #0B2D3D #155371 #1F79A5 #299ED7

Accessibility & contrast

On white

8.37
#155371 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.51
#155371 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155371
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155371#FFFFFF#000000##FFFFFF
##1553711.008.372.518.37
#FFFFFF8.371.0021.001.00
#0000002.5121.001.0021.00
##FFFFFF8.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#445272
Deuteranopia (green-blind)
#384A71
Tritanopia (blue-blind)
#005B5D
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #155371;
/* rgb */ color: rgb(21, 83, 113);
/* oklch */ color: oklch(41.9% 0.078 234.7);
Tailwind
colors: {
  custom: {
    50: '#62839a',
    500: '#155371',
    950: '#000000',
  },
}
SCSS
$custom: #155371;
$custom-light: #62839a;
$custom-dark: #000000;
JSON
{
  "hex": "#155371",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 113
  },
  "hsl": {
    "h": 199.565,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.41878,
    "c": 0.07832,
    "h": 234.7
  },
  "luminance": 0.07538
}

Semantic roles & 50–950 ramp

primary
#155371
secondary
#A75E3B
accent
#753CEB
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0E
muted
#7A7C7E

Preview Lab

Preview with #155371

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

Preview Lab → · Contrast checker → · Palette generator →

#155371 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva