#233A55#233A55

#233A55 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.3% C 0.056 H 253.3°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX#233A55
RGBrgb(35, 58, 85)
HSLhsl(212, 42%, 24%)
HSVhsv(212, 59%, 33%)
CMYKcmyk(58.8%, 31.8%, 0%, 66.7%)
CIE-LABlab(23.80, 0.09, -19.04)
CIE-LCHlch(23.80, 19.04, 270.28°)
OKLaboklab(34.28% -0.0161 -0.0535)
OKLCHoklch(34.28% 0.056 253.3)
XYZxyz(3.8453, 4.0390, 9.1695)
Luminance0.0404 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233A55 #553E23
analogous
#235355 #233A55 #252355
triadic
#233A55 #55233A #3A5523
tetradic
#233A55 #552353 #553E23 #235525
square
#233A55 #552353 #553E23 #235525
split-complementary
#233A55 #552523 #535523
monochromatic
#090F16 #111C2A #233A55 #355880 #4775AC

Accessibility & contrast

On white

11.62
#233A55 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#233A55 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A55
11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233A55#FFFFFF#000000##FFFFFF
##233A551.0011.621.8111.62
#FFFFFF11.621.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F3B56
Deuteranopia (green-blind)
#293654
Tritanopia (blue-blind)
#054043
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #233a55;
/* rgb */ color: rgb(35, 58, 85);
/* oklch */ color: oklch(34.3% 0.056 253.3);
Tailwind
colors: {
  custom: {
    50: '#626f85',
    500: '#233a55',
    950: '#000000',
  },
}
SCSS
$custom: #233a55;
$custom-light: #626f85;
$custom-dark: #000000;
JSON
{
  "hex": "#233a55",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 85
  },
  "hsl": {
    "h": 212.4,
    "s": 41.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34282,
    "c": 0.05587,
    "h": 253.3
  },
  "luminance": 0.04039
}

Semantic roles & 50–950 ramp

primary
#233A55
secondary
#896C4B
accent
#9956D1
background
#F6F6F8
surface
#EBECEF
border
#C6C7CA
text
#05070B
muted
#7A7A7C

Preview Lab

Preview with #233A55

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

Preview Lab → · Contrast checker → · Palette generator →

#233A55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva