#233D5C#233D5C

#233D5C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.063 H 253.7°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX#233D5C
RGBrgb(35, 61, 92)
HSLhsl(213, 45%, 25%)
HSVhsv(213, 62%, 36%)
CMYKcmyk(62%, 33.7%, 0%, 63.9%)
CIE-LABlab(25.16, 0.65, -21.50)
CIE-LCHlch(25.16, 21.51, 271.74°)
OKLaboklab(35.47% -0.0177 -0.0606)
OKLCHoklch(35.47% 0.063 253.7)
XYZxyz(4.2930, 4.4672, 10.7592)
Luminance0.0447 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233D5C #5C4223
analogous
#23595C #233D5C #26235C
triadic
#233D5C #5C233D #3D5C23
tetradic
#233D5C #5C2359 #5C4223 #235C26
square
#233D5C #5C2359 #5C4223 #235C26
split-complementary
#233D5C #5C2623 #595C23
monochromatic
#080F16 #122030 #233D5C #345A88 #4578B5

Accessibility & contrast

On white

11.09
#233D5C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#233D5C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D5C
11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233D5C#FFFFFF#000000##FFFFFF
##233D5C1.0011.091.8911.09
#FFFFFF11.091.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#303F5D
Deuteranopia (green-blind)
#29395B
Tritanopia (blue-blind)
#004448
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #233d5c;
/* rgb */ color: rgb(35, 61, 92);
/* oklch */ color: oklch(35.5% 0.063 253.7);
Tailwind
colors: {
  custom: {
    50: '#63728a',
    500: '#233d5c',
    950: '#000000',
  },
}
SCSS
$custom: #233d5c;
$custom-light: #63728a;
$custom-dark: #000000;
JSON
{
  "hex": "#233d5c",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 92
  },
  "hsl": {
    "h": 212.632,
    "s": 44.882,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35469,
    "c": 0.06313,
    "h": 253.7
  },
  "luminance": 0.04468
}

Semantic roles & 50–950 ramp

primary
#233D5C
secondary
#90704B
accent
#9A53D5
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#06070B
muted
#7A7A7C

Preview Lab

Preview with #233D5C

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

Preview Lab → · Contrast checker → · Palette generator →

#233D5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva