#15374F#15374F

#15374F is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.4% C 0.058 H 242.4°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX#15374F
RGBrgb(21, 55, 79)
HSLhsl(205, 58%, 20%)
HSVhsv(205, 73%, 31%)
CMYKcmyk(73.4%, 30.4%, 0%, 69%)
CIE-LABlab(21.78, -3.35, -18.27)
CIE-LCHlch(21.78, 18.58, 259.61°)
OKLaboklab(32.4% -0.027 -0.0515)
OKLCHoklch(32.4% 0.058 242.4)
XYZxyz(3.0862, 3.4560, 7.9000)
Luminance0.0346 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15374F #4F2D15
analogous
#154F4A #15374F #151A4F
triadic
#15374F #4F1537 #374F15
tetradic
#15374F #4A154F #4F2D15 #1A4F15
square
#15374F #4A154F #4F2D15 #1A4F15
split-complementary
#15374F #4F151A #4F4A15
monochromatic
#061118 #08151F #15374F #22597F #2F7AB0

Accessibility & contrast

On white

12.42
#15374F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.69
#15374F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15374F
12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15374F#FFFFFF#000000##FFFFFF
##15374F1.0012.421.6912.42
#FFFFFF12.421.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C3750
Deuteranopia (green-blind)
#24324F
Tritanopia (blue-blind)
#003D3F
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #15374f;
/* rgb */ color: rgb(21, 55, 79);
/* oklch */ color: oklch(32.4% 0.058 242.4);
Tailwind
colors: {
  custom: {
    50: '#5a6d80',
    500: '#15374f',
    950: '#000000',
  },
}
SCSS
$custom: #15374f;
$custom-light: #5a6d80;
$custom-dark: #000000;
JSON
{
  "hex": "#15374f",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 79
  },
  "hsl": {
    "h": 204.828,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.32403,
    "c": 0.05815,
    "h": 242.4
  },
  "luminance": 0.03456
}

Semantic roles & 50–950 ramp

primary
#15374F
secondary
#875939
accent
#8747E1
background
#F5F6F7
surface
#E9EBEE
border
#C5C6C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #15374F

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

Preview Lab → · Contrast checker → · Palette generator →

#15374F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva