#233E59#233E59

#233E59 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.058 H 249.7°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX#233E59
RGBrgb(35, 62, 89)
HSLhsl(210, 44%, 24%)
HSVhsv(210, 61%, 35%)
CMYKcmyk(60.7%, 30.3%, 0%, 65.1%)
CIE-LABlab(25.33, -1.13, -19.27)
CIE-LCHlch(25.33, 19.31, 266.65°)
OKLaboklab(35.55% -0.02 -0.0541)
OKLCHoklch(35.55% 0.058 249.7)
XYZxyz(4.2183, 4.5235, 10.1001)
Luminance0.0452 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233E59 #593E23
analogous
#235959 #233E59 #232359
triadic
#233E59 #59233E #3E5923
tetradic
#233E59 #592359 #593E23 #235923
square
#233E59 #592359 #593E23 #235923
split-complementary
#233E59 #592323 #595923
monochromatic
#090F16 #121F2D #233E59 #345D85 #467BB1

Accessibility & contrast

On white

11.02
#233E59 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#233E59 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E59
11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233E59#FFFFFF#000000##FFFFFF
##233E591.0011.021.9011.02
#FFFFFF11.021.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#333F5A
Deuteranopia (green-blind)
#2C3A58
Tritanopia (blue-blind)
#004447
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #233e59;
/* rgb */ color: rgb(35, 62, 89);
/* oklch */ color: oklch(35.6% 0.058 249.7);
Tailwind
colors: {
  custom: {
    50: '#637388',
    500: '#233e59',
    950: '#000000',
  },
}
SCSS
$custom: #233e59;
$custom-light: #637388;
$custom-dark: #000000;
JSON
{
  "hex": "#233e59",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 89
  },
  "hsl": {
    "h": 210,
    "s": 43.548,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35552,
    "c": 0.05772,
    "h": 249.7
  },
  "luminance": 0.04524
}

Semantic roles & 50–950 ramp

primary
#233E59
secondary
#8D6C4B
accent
#9455D3
background
#F6F6F8
surface
#EBECEF
border
#C6C7CA
text
#05080B
muted
#7A7B7C

Preview Lab

Preview with #233E59

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

Preview Lab → · Contrast checker → · Palette generator →

#233E59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva