#263CAF#263CAF

#263CAF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.184 H 268.4°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX#263CAF
RGBrgb(38, 60, 175)
HSLhsl(230, 64%, 42%)
HSVhsv(230, 78%, 69%)
CMYKcmyk(78.3%, 65.7%, 0%, 31.4%)
CIE-LABlab(31.20, 33.76, -63.41)
CIE-LCHlch(31.20, 71.84, 298.03°)
OKLaboklab(42.03% -0.0051 -0.1835)
OKLCHoklch(42.03% 0.184 268.4)
XYZxyz(10.1504, 6.7378, 41.3147)
Luminance0.0674 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263CAF #AF9926
analogous
#2681AF #263CAF #5526AF
triadic
#263CAF #AF263C #3CAF26
tetradic
#263CAF #AF2681 #AF9926 #26AF55
square
#263CAF #AF2681 #AF9926 #26AF55
split-complementary
#263CAF #AF5526 #81AF26
monochromatic
#101A4A #1B2B7D #263CAF #3D56D5 #7082E0

Accessibility & contrast

On white

8.94
#263CAF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#263CAF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263CAF
8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263CAF#FFFFFF#000000##FFFFFF
##263CAF1.008.942.358.94
#FFFFFF8.941.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050B3
Deuteranopia (green-blind)
#0043AD
Tritanopia (blue-blind)
#005B70
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #263caf;
/* rgb */ color: rgb(38, 60, 175);
/* oklch */ color: oklch(42.0% 0.184 268.4);
Tailwind
colors: {
  custom: {
    50: '#7771c8',
    500: '#263caf',
    950: '#000000',
  },
}
SCSS
$custom: #263caf;
$custom-light: #7771c8;
$custom-dark: #000000;
JSON
{
  "hex": "#263caf",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 175
  },
  "hsl": {
    "h": 230.365,
    "s": 64.319,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42025,
    "c": 0.18358,
    "h": 268.4
  },
  "luminance": 0.06739
}

Semantic roles & 50–950 ramp

primary
#263CAF
secondary
#C7B86A
accent
#CD40E7
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0A0713
muted
#7C7A82

Preview Lab

Preview with #263CAF

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

Preview Lab → · Contrast checker → · Palette generator →

#263CAF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva