#133F63#133F63

#133F63 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.079 H 247.2°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX#133F63
RGBrgb(19, 63, 99)
HSLhsl(207, 68%, 23%)
HSVhsv(207, 81%, 39%)
CMYKcmyk(80.8%, 36.4%, 0%, 61.2%)
CIE-LABlab(25.54, -0.95, -25.48)
CIE-LCHlch(25.54, 25.49, 267.87°)
OKLaboklab(35.71% -0.0304 -0.0724)
OKLCHoklch(35.71% 0.079 247.2)
XYZxyz(4.2973, 4.5938, 12.4622)
Luminance0.0459 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133F63 #633713
analogous
#13635F #133F63 #131763
triadic
#133F63 #63133F #3F6313
tetradic
#133F63 #5F1363 #633713 #176313
square
#133F63 #5F1363 #633713 #176313
split-complementary
#133F63 #631317 #635F13
monochromatic
#05101A #091E30 #133F63 #1D6096 #2780CA

Accessibility & contrast

On white

10.94
#133F63 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#133F63 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F63
10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133F63#FFFFFF#000000##FFFFFF
##133F631.0010.941.9210.94
#FFFFFF10.941.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E4165
Deuteranopia (green-blind)
#233962
Tritanopia (blue-blind)
#00484C
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #133f63;
/* rgb */ color: rgb(19, 63, 99);
/* oklch */ color: oklch(35.7% 0.079 247.2);
Tailwind
colors: {
  custom: {
    50: '#5e738f',
    500: '#133f63',
    950: '#000000',
  },
}
SCSS
$custom: #133f63;
$custom-light: #5e738f;
$custom-dark: #000000;
JSON
{
  "hex": "#133f63",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 99
  },
  "hsl": {
    "h": 207,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35714,
    "c": 0.07852,
    "h": 247.2
  },
  "luminance": 0.04594
}

Semantic roles & 50–950 ramp

primary
#133F63
secondary
#9B6437
accent
#8B3DEB
background
#F5F6F8
surface
#EAECF0
border
#C6C7CB
text
#05080C
muted
#797B7D

Preview Lab

Preview with #133F63

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

Preview Lab → · Contrast checker → · Palette generator →

#133F63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva