#23537F#23537F

#23537F is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.1% C 0.090 H 249.0°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#23537F
RGBrgb(35, 83, 127)
HSLhsl(209, 57%, 32%)
HSVhsv(209, 72%, 50%)
CMYKcmyk(72.4%, 34.6%, 0%, 50.2%)
CIE-LABlab(34.14, -0.56, -29.53)
CIE-LCHlch(34.14, 29.54, 268.91°)
OKLaboklab(43.13% -0.0322 -0.0837)
OKLCHoklch(43.13% 0.09 249)
XYZxyz(7.6157, 8.0753, 21.2319)
Luminance0.0808 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#23537F #7F4F23
analogous
#237F7D #23537F #23257F
triadic
#23537F #7F2353 #537F23
tetradic
#23537F #7D237F #7F4F23 #257F23
square
#23537F #7D237F #7F4F23 #257F23
split-complementary
#23537F #7F2325 #7F7D23
monochromatic
#09141F #16344F #23537F #3072AF #4E91CE

Accessibility & contrast

On white

8.03
#23537F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#23537F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23537F
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##23537F#FFFFFF#000000##FFFFFF
##23537F1.008.032.628.03
#FFFFFF8.031.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F5581
Deuteranopia (green-blind)
#324C7E
Tritanopia (blue-blind)
#005D63
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #23537f;
/* rgb */ color: rgb(35, 83, 127);
/* oklch */ color: oklch(43.1% 0.090 249.0);
Tailwind
colors: {
  custom: {
    50: '#6a83a4',
    500: '#23537f',
    950: '#000000',
  },
}
SCSS
$custom: #23537f;
$custom-light: #6a83a4;
$custom-dark: #000000;
JSON
{
  "hex": "#23537f",
  "rgb": {
    "r": 35,
    "g": 83,
    "b": 127
  },
  "hsl": {
    "h": 208.696,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43134,
    "c": 0.08973,
    "h": 249
  },
  "luminance": 0.08076
}

Semantic roles & 50–950 ramp

primary
#23537F
secondary
#B17D4C
accent
#9148E0
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #23537F

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

Preview Lab → · Contrast checker → · Palette generator →

#23537F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva