#153F68#153F68

#153F68 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.085 H 251.0°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX#153F68
RGBrgb(21, 63, 104)
HSLhsl(210, 66%, 25%)
HSVhsv(210, 80%, 41%)
CMYKcmyk(79.8%, 39.4%, 0%, 59.2%)
CIE-LABlab(25.90, 1.39, -28.13)
CIE-LCHlch(25.90, 28.16, 272.84°)
OKLaboklab(36.11% -0.0276 -0.0801)
OKLCHoklch(36.11% 0.085 251)
XYZxyz(4.5845, 4.7134, 13.7622)
Luminance0.0471 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153F68 #683E15
analogous
#156868 #153F68 #151568
triadic
#153F68 #68153F #3F6815
tetradic
#153F68 #681568 #683E15 #156815
square
#153F68 #681568 #683E15 #156815
split-complementary
#153F68 #681515 #686815
monochromatic
#050F19 #0B2035 #153F68 #1F5E9B #2A7DCE

Accessibility & contrast

On white

10.81
#153F68 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#153F68 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F68
10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153F68#FFFFFF#000000##FFFFFF
##153F681.0010.811.9410.81
#FFFFFF10.811.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C426A
Deuteranopia (green-blind)
#1F3A67
Tritanopia (blue-blind)
#00494E
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #153f68;
/* rgb */ color: rgb(21, 63, 104);
/* oklch */ color: oklch(36.1% 0.085 251.0);
Tailwind
colors: {
  custom: {
    50: '#607393',
    500: '#153f68',
    950: '#000000',
  },
}
SCSS
$custom: #153f68;
$custom-light: #607393;
$custom-dark: #000000;
JSON
{
  "hex": "#153f68",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 104
  },
  "hsl": {
    "h": 209.639,
    "s": 66.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36108,
    "c": 0.08476,
    "h": 251
  },
  "luminance": 0.04714
}

Semantic roles & 50–950 ramp

primary
#153F68
secondary
#9F6C3A
accent
#933EE9
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#05080D
muted
#7A7B7E

Preview Lab

Preview with #153F68

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

Preview Lab → · Contrast checker → · Palette generator →

#153F68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva