#233B56#233B56

#233B56 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.056 H 252.4°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX#233B56
RGBrgb(35, 59, 86)
HSLhsl(212, 42%, 24%)
HSVhsv(212, 59%, 34%)
CMYKcmyk(59.3%, 31.4%, 0%, 66.3%)
CIE-LABlab(24.18, -0.22, -19.10)
CIE-LCHlch(24.18, 19.10, 269.35°)
OKLaboklab(34.6% -0.0171 -0.0537)
OKLCHoklch(34.6% 0.056 252.4)
XYZxyz(3.9362, 4.1568, 9.3972)
Luminance0.0416 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233B56 #563E23
analogous
#235456 #233B56 #242356
triadic
#233B56 #56233B #3B5623
tetradic
#233B56 #562354 #563E23 #235624
square
#233B56 #562354 #563E23 #235624
split-complementary
#233B56 #562423 #545623
monochromatic
#090F16 #111D2B #233B56 #355981 #4677AD

Accessibility & contrast

On white

11.47
#233B56 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.83
#233B56 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B56
11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233B56#FFFFFF#000000##FFFFFF
##233B561.0011.471.8311.47
#FFFFFF11.471.0021.001.00
#0000001.8321.001.0021.00
##FFFFFF11.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#303C57
Deuteranopia (green-blind)
#293755
Tritanopia (blue-blind)
#044144
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #233b56;
/* rgb */ color: rgb(35, 59, 86);
/* oklch */ color: oklch(34.6% 0.056 252.4);
Tailwind
colors: {
  custom: {
    50: '#627085',
    500: '#233b56',
    950: '#000000',
  },
}
SCSS
$custom: #233b56;
$custom-light: #627085;
$custom-dark: #000000;
JSON
{
  "hex": "#233b56",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 86
  },
  "hsl": {
    "h": 211.765,
    "s": 42.149,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34599,
    "c": 0.05633,
    "h": 252.4
  },
  "luminance": 0.04157
}

Semantic roles & 50–950 ramp

primary
#233B56
secondary
#8A6C4B
accent
#9856D2
background
#F6F6F8
surface
#EBECEF
border
#C6C7CA
text
#05070B
muted
#7A7A7C

Preview Lab

Preview with #233B56

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

Preview Lab → · Contrast checker → · Palette generator →

#233B56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva