#233D69#233D69

#233D69 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.083 H 260.3°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX#233D69
RGBrgb(35, 61, 105)
HSLhsl(218, 50%, 27%)
HSVhsv(218, 67%, 41%)
CMYKcmyk(66.7%, 41.9%, 0%, 58.8%)
CIE-LABlab(25.90, 5.60, -28.73)
CIE-LCHlch(25.90, 29.27, 281.04°)
OKLaboklab(36.29% -0.0139 -0.0817)
OKLCHoklch(36.29% 0.083 260.3)
XYZxyz(4.9108, 4.7143, 14.0130)
Luminance0.0471 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233D69 #694F23
analogous
#236069 #233D69 #2C2369
triadic
#233D69 #69233D #3D6923
tetradic
#233D69 #692360 #694F23 #23692C
square
#233D69 #692360 #694F23 #23692C
split-complementary
#233D69 #692C23 #606923
monochromatic
#080D17 #14223B #233D69 #325897 #4573C1

Accessibility & contrast

On white

10.81
#233D69 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#233D69 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D69
10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233D69#FFFFFF#000000##FFFFFF
##233D691.0010.811.9410.81
#FFFFFF10.811.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A416B
Deuteranopia (green-blind)
#203A68
Tritanopia (blue-blind)
#00474E
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #233d69;
/* rgb */ color: rgb(35, 61, 105);
/* oklch */ color: oklch(36.3% 0.083 260.3);
Tailwind
colors: {
  custom: {
    50: '#667294',
    500: '#233d69',
    950: '#000000',
  },
}
SCSS
$custom: #233d69;
$custom-light: #667294;
$custom-dark: #000000;
JSON
{
  "hex": "#233d69",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 105
  },
  "hsl": {
    "h": 217.714,
    "s": 50,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36293,
    "c": 0.08288,
    "h": 260.3
  },
  "luminance": 0.04715
}

Semantic roles & 50–950 ramp

primary
#233D69
secondary
#9C7E4B
accent
#A64EDA
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#06070D
muted
#7A7A7E

Preview Lab

Preview with #233D69

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

Preview Lab → · Contrast checker → · Palette generator →

#233D69 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva