#263C9E#263C9E

#263C9E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.161 H 268.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX#263C9E
RGBrgb(38, 60, 158)
HSLhsl(229, 61%, 38%)
HSVhsv(229, 76%, 62%)
CMYKcmyk(75.9%, 62%, 0%, 38%)
CIE-LABlab(29.69, 27.39, -55.66)
CIE-LCHlch(29.69, 62.03, 296.20°)
OKLaboklab(40.45% -0.0046 -0.1608)
OKLCHoklch(40.45% 0.161 268.4)
XYZxyz(8.5846, 6.1115, 33.0683)
Luminance0.0611 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263C9E #9E8826
analogous
#26789E #263C9E #4C269E
triadic
#263C9E #9E263C #3C9E26
tetradic
#263C9E #9E2678 #9E8826 #269E4C
square
#263C9E #9E2678 #9E8826 #269E4C
split-complementary
#263C9E #9E4C26 #789E26
monochromatic
#0E173B #1A296D #263C9E #3350CE #657ADA

Accessibility & contrast

On white

9.45
#263C9E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.22
#263C9E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C9E
9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263C9E#FFFFFF#000000##FFFFFF
##263C9E1.009.452.229.45
#FFFFFF9.451.0021.001.00
#0000002.2221.001.0021.00
##FFFFFF9.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004CA1
Deuteranopia (green-blind)
#00409C
Tritanopia (blue-blind)
#005567
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #263c9e;
/* rgb */ color: rgb(38, 60, 158);
/* oklch */ color: oklch(40.4% 0.161 268.4);
Tailwind
colors: {
  custom: {
    50: '#7371bc',
    500: '#263c9e',
    950: '#000000',
  },
}
SCSS
$custom: #263c9e;
$custom-light: #7371bc;
$custom-dark: #000000;
JSON
{
  "hex": "#263c9e",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 158
  },
  "hsl": {
    "h": 229,
    "s": 61.224,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40447,
    "c": 0.16087,
    "h": 268.4
  },
  "luminance": 0.06112
}

Semantic roles & 50–950 ramp

primary
#263C9E
secondary
#C0AE60
accent
#C743E4
background
#F7F6FB
surface
#EEECF6
border
#C9C7D0
text
#090712
muted
#7B7A81

Preview Lab

Preview with #263C9E

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

Preview Lab → · Contrast checker → · Palette generator →

#263C9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva