#203F5B#203F5B

#203F5B is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.061 H 247.6°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX#203F5B
RGBrgb(32, 63, 91)
HSLhsl(208, 48%, 24%)
HSVhsv(208, 65%, 36%)
CMYKcmyk(64.8%, 30.8%, 0%, 64.3%)
CIE-LABlab(25.61, -1.75, -20.15)
CIE-LCHlch(25.61, 20.22, 265.02°)
OKLaboklab(35.77% -0.0233 -0.0567)
OKLCHoklch(35.77% 0.061 247.6)
XYZxyz(4.2608, 4.6170, 10.5621)
Luminance0.0462 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#203F5B #5B3C20
analogous
#205B5A #203F5B #20225B
triadic
#203F5B #5B203F #3F5B20
tetradic
#203F5B #5A205B #5B3C20 #225B20
square
#203F5B #5A205B #5B3C20 #225B20
split-complementary
#203F5B #5B2022 #5B5A20
monochromatic
#081017 #10202E #203F5B #305E88 #407EB6

Accessibility & contrast

On white

10.92
#203F5B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#203F5B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F5B
10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##203F5B#FFFFFF#000000##FFFFFF
##203F5B1.0010.921.9210.92
#FFFFFF10.921.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#33405C
Deuteranopia (green-blind)
#2B3A5A
Tritanopia (blue-blind)
#004649
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #203f5b;
/* rgb */ color: rgb(32, 63, 91);
/* oklch */ color: oklch(35.8% 0.061 247.6);
Tailwind
colors: {
  custom: {
    50: '#627389',
    500: '#203f5b',
    950: '#000000',
  },
}
SCSS
$custom: #203f5b;
$custom-light: #627389;
$custom-dark: #000000;
JSON
{
  "hex": "#203f5b",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 91
  },
  "hsl": {
    "h": 208.475,
    "s": 47.967,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35767,
    "c": 0.06132,
    "h": 247.6
  },
  "luminance": 0.04617
}

Semantic roles & 50–950 ramp

primary
#203F5B
secondary
#8F6A47
accent
#9050D8
background
#F6F7F8
surface
#EBEDF0
border
#C6C8CB
text
#05080B
muted
#7A7B7C

Preview Lab

Preview with #203F5B

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

Preview Lab → · Contrast checker → · Palette generator →

#203F5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva