#23518B#23518B

#23518B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.4% C 0.108 H 255.6°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX#23518B
RGBrgb(35, 81, 139)
HSLhsl(213, 60%, 34%)
HSVhsv(213, 75%, 55%)
CMYKcmyk(74.8%, 41.7%, 0%, 45.5%)
CIE-LABlab(34.20, 5.39, -36.80)
CIE-LCHlch(34.20, 37.20, 278.33°)
OKLaboklab(43.41% -0.0269 -0.1051)
OKLCHoklch(43.41% 0.108 255.6)
XYZxyz(8.2941, 8.1053, 25.5485)
Luminance0.0811 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#23518B #8B5D23
analogous
#23858B #23518B #29238B
triadic
#23518B #8B2351 #518B23
tetradic
#23518B #8B2385 #8B5D23 #238B29
square
#23518B #8B2385 #8B5D23 #238B29
split-complementary
#23518B #8B2923 #858B23
monochromatic
#0A1829 #17355A #23518B #2F6DBC #548DD4

Accessibility & contrast

On white

8.01
#23518B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#23518B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23518B
8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##23518B#FFFFFF#000000##FFFFFF
##23518B1.008.012.628.01
#FFFFFF8.011.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#36568D
Deuteranopia (green-blind)
#254C8A
Tritanopia (blue-blind)
#005F67
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #23518b;
/* rgb */ color: rgb(35, 81, 139);
/* oklch */ color: oklch(43.4% 0.108 255.6);
Tailwind
colors: {
  custom: {
    50: '#6c81ad',
    500: '#23518b',
    950: '#000000',
  },
}
SCSS
$custom: #23518b;
$custom-light: #6c81ad;
$custom-dark: #000000;
JSON
{
  "hex": "#23518b",
  "rgb": {
    "r": 35,
    "g": 81,
    "b": 139
  },
  "hsl": {
    "h": 213.462,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43406,
    "c": 0.10847,
    "h": 255.6
  },
  "luminance": 0.08106
}

Semantic roles & 50–950 ramp

primary
#23518B
secondary
#B88B52
accent
#9D45E3
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080A10
muted
#7A7C7F

Preview Lab

Preview with #23518B

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

Preview Lab → · Contrast checker → · Palette generator →

#23518B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva