#153F63#153F63

#153F63 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.078 H 248.0°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX#153F63
RGBrgb(21, 63, 99)
HSLhsl(208, 65%, 24%)
HSVhsv(208, 79%, 39%)
CMYKcmyk(78.8%, 36.4%, 0%, 61.2%)
CIE-LABlab(25.61, -0.66, -25.37)
CIE-LCHlch(25.61, 25.38, 268.51°)
OKLaboklab(35.78% -0.0291 -0.0721)
OKLCHoklch(35.78% 0.078 248)
XYZxyz(4.3380, 4.6148, 12.4641)
Luminance0.0461 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153F63 #633915
analogous
#156360 #153F63 #151863
triadic
#153F63 #63153F #3F6315
tetradic
#153F63 #601563 #633915 #186315
square
#153F63 #601563 #633915 #186315
split-complementary
#153F63 #631518 #636015
monochromatic
#051019 #0A1F31 #153F63 #205F95 #2A7FC8

Accessibility & contrast

On white

10.92
#153F63 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#153F63 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F63
10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153F63#FFFFFF#000000##FFFFFF
##153F631.0010.921.9210.92
#FFFFFF10.921.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F4165
Deuteranopia (green-blind)
#233962
Tritanopia (blue-blind)
#00484C
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #153f63;
/* rgb */ color: rgb(21, 63, 99);
/* oklch */ color: oklch(35.8% 0.078 248.0);
Tailwind
colors: {
  custom: {
    50: '#5f738f',
    500: '#153f63',
    950: '#000000',
  },
}
SCSS
$custom: #153f63;
$custom-light: #5f738f;
$custom-dark: #000000;
JSON
{
  "hex": "#153f63",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 99
  },
  "hsl": {
    "h": 207.692,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35781,
    "c": 0.07774,
    "h": 248
  },
  "luminance": 0.04615
}

Semantic roles & 50–950 ramp

primary
#153F63
secondary
#9A663A
accent
#8D40E8
background
#F5F6F8
surface
#EAECF0
border
#C6C7CB
text
#05080C
muted
#797B7D

Preview Lab

Preview with #153F63

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

Preview Lab → · Contrast checker → · Palette generator →

#153F63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva