#233A6A#233A6A

#233A6A is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.088 H 263.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX#233A6A
RGBrgb(35, 58, 106)
HSLhsl(221, 50%, 28%)
HSVhsv(221, 67%, 42%)
CMYKcmyk(67%, 45.3%, 0%, 58.4%)
CIE-LABlab(25.03, 8.07, -30.77)
CIE-LCHlch(25.03, 31.81, 284.70°)
OKLaboklab(35.63% -0.0103 -0.0877)
OKLCHoklch(35.63% 0.088 263.3)
XYZxyz(4.8068, 4.4236, 14.2334)
Luminance0.0442 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233A6A #6A5323
analogous
#235E6A #233A6A #2F236A
triadic
#233A6A #6A233A #3A6A23
tetradic
#233A6A #6A235E #6A5323 #236A2F
square
#233A6A #6A235E #6A5323 #236A2F
split-complementary
#233A6A #6A2F23 #5E6A23
monochromatic
#080D17 #14213C #233A6A #325398 #466EC2

Accessibility & contrast

On white

11.14
#233A6A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#233A6A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A6A
11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233A6A#FFFFFF#000000##FFFFFF
##233A6A1.0011.141.8811.14
#FFFFFF11.141.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#243F6C
Deuteranopia (green-blind)
#193869
Tritanopia (blue-blind)
#00454C
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #233a6a;
/* rgb */ color: rgb(35, 58, 106);
/* oklch */ color: oklch(35.6% 0.088 263.3);
Tailwind
colors: {
  custom: {
    50: '#666f95',
    500: '#233a6a',
    950: '#000000',
  },
}
SCSS
$custom: #233a6a;
$custom-light: #666f95;
$custom-dark: #000000;
JSON
{
  "hex": "#233a6a",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 106
  },
  "hsl": {
    "h": 220.563,
    "s": 50.355,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35634,
    "c": 0.08834,
    "h": 263.3
  },
  "luminance": 0.04424
}

Semantic roles & 50–950 ramp

primary
#233A6A
secondary
#9D834B
accent
#AD4EDA
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#06070D
muted
#7A7A7E

Preview Lab

Preview with #233A6A

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

Preview Lab → · Contrast checker → · Palette generator →

#233A6A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva