#233E66#233E66

#233E66 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.3% C 0.077 H 258.1°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX#233E66
RGBrgb(35, 62, 102)
HSLhsl(216, 49%, 27%)
HSVhsv(216, 66%, 40%)
CMYKcmyk(65.7%, 39.2%, 0%, 60%)
CIE-LABlab(26.04, 3.76, -26.58)
CIE-LCHlch(26.04, 26.84, 278.05°)
OKLaboklab(36.34% -0.0159 -0.0754)
OKLCHoklch(36.34% 0.077 258.1)
XYZxyz(4.8132, 4.7614, 13.2332)
Luminance0.0476 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233E66 #664B23
analogous
#236066 #233E66 #2A2366
triadic
#233E66 #66233E #3E6623
tetradic
#233E66 #662360 #664B23 #23662A
square
#233E66 #662360 #664B23 #23662A
split-complementary
#233E66 #662A23 #606623
monochromatic
#080E17 #132238 #233E66 #335A94 #4476BF

Accessibility & contrast

On white

10.76
#233E66 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#233E66 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E66
10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233E66#FFFFFF#000000##FFFFFF
##233E661.0010.761.9510.76
#FFFFFF10.761.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D4168
Deuteranopia (green-blind)
#243B65
Tritanopia (blue-blind)
#00474D
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #233e66;
/* rgb */ color: rgb(35, 62, 102);
/* oklch */ color: oklch(36.3% 0.077 258.1);
Tailwind
colors: {
  custom: {
    50: '#657292',
    500: '#233e66',
    950: '#000000',
  },
}
SCSS
$custom: #233e66;
$custom-light: #657292;
$custom-dark: #000000;
JSON
{
  "hex": "#233e66",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 102
  },
  "hsl": {
    "h": 215.821,
    "s": 48.905,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36343,
    "c": 0.07706,
    "h": 258.1
  },
  "luminance": 0.04762
}

Semantic roles & 50–950 ramp

primary
#233E66
secondary
#9A7A4B
accent
#A14FD8
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #233E66

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

Preview Lab → · Contrast checker → · Palette generator →

#233E66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva