#153F6A#153F6A

#153F6A is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.2% C 0.088 H 252.0°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX#153F6A
RGBrgb(21, 63, 106)
HSLhsl(210, 67%, 25%)
HSVhsv(210, 80%, 42%)
CMYKcmyk(80.2%, 40.6%, 0%, 58.4%)
CIE-LABlab(26.02, 2.22, -29.22)
CIE-LCHlch(26.02, 29.30, 274.35°)
OKLaboklab(36.24% -0.0271 -0.0833)
OKLCHoklch(36.24% 0.088 252)
XYZxyz(4.6873, 4.7545, 14.3035)
Luminance0.0476 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153F6A #6A4015
analogous
#15696A #153F6A #16156A
triadic
#153F6A #6A153F #3F6A15
tetradic
#153F6A #6A1569 #6A4015 #156A16
square
#153F6A #6A1569 #6A4015 #156A16
split-complementary
#153F6A #6A1615 #696A15
monochromatic
#050F1A #0B2137 #153F6A #1F5D9D #297CD0

Accessibility & contrast

On white

10.76
#153F6A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#153F6A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F6A
10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153F6A#FFFFFF#000000##FFFFFF
##153F6A1.0010.761.9510.76
#FFFFFF10.761.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B426C
Deuteranopia (green-blind)
#1E3A69
Tritanopia (blue-blind)
#00494F
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #153f6a;
/* rgb */ color: rgb(21, 63, 106);
/* oklch */ color: oklch(36.2% 0.088 252.0);
Tailwind
colors: {
  custom: {
    50: '#607395',
    500: '#153f6a',
    950: '#000000',
  },
}
SCSS
$custom: #153f6a;
$custom-light: #607395;
$custom-dark: #000000;
JSON
{
  "hex": "#153f6a",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 106
  },
  "hsl": {
    "h": 210.353,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36243,
    "c": 0.08761,
    "h": 252
  },
  "luminance": 0.04755
}

Semantic roles & 50–950 ramp

primary
#153F6A
secondary
#A16E3A
accent
#953EEA
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#05080D
muted
#7A7B7E

Preview Lab

Preview with #153F6A

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

Preview Lab → · Contrast checker → · Palette generator →

#153F6A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva