#233E5A#233E5A

#233E5A is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.059 H 250.6°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX#233E5A
RGBrgb(35, 62, 90)
HSLhsl(211, 44%, 25%)
HSVhsv(211, 61%, 35%)
CMYKcmyk(61.1%, 31.1%, 0%, 64.7%)
CIE-LABlab(25.38, -0.76, -19.85)
CIE-LCHlch(25.38, 19.86, 267.81°)
OKLaboklab(35.61% -0.0196 -0.0558)
OKLCHoklch(35.61% 0.059 250.6)
XYZxyz(4.2606, 4.5404, 10.3227)
Luminance0.0454 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233E5A #5A3F23
analogous
#235A5A #233E5A #23235A
triadic
#233E5A #5A233E #3E5A23
tetradic
#233E5A #5A235A #5A3F23 #235A23
square
#233E5A #5A235A #5A3F23 #235A23
split-complementary
#233E5A #5A2323 #5A5A23
monochromatic
#090F16 #12202E #233E5A #345C86 #457BB2

Accessibility & contrast

On white

11.01
#233E5A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#233E5A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E5A
11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233E5A#FFFFFF#000000##FFFFFF
##233E5A1.0011.011.9111.01
#FFFFFF11.011.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323F5B
Deuteranopia (green-blind)
#2B3A59
Tritanopia (blue-blind)
#004448
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #233e5a;
/* rgb */ color: rgb(35, 62, 90);
/* oklch */ color: oklch(35.6% 0.059 250.6);
Tailwind
colors: {
  custom: {
    50: '#637388',
    500: '#233e5a',
    950: '#000000',
  },
}
SCSS
$custom: #233e5a;
$custom-light: #637388;
$custom-dark: #000000;
JSON
{
  "hex": "#233e5a",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 90
  },
  "hsl": {
    "h": 210.545,
    "s": 44,
    "l": 24.51
  },
  "oklch": {
    "l": 0.3561,
    "c": 0.05916,
    "h": 250.6
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary
#233E5A
secondary
#8E6D4B
accent
#9554D4
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#05080B
muted
#7A7B7C

Preview Lab

Preview with #233E5A

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

Preview Lab → · Contrast checker → · Palette generator →

#233E5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva