#263FA5#263FA5

#263FA5 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.167 H 267.7°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX#263FA5
RGBrgb(38, 63, 165)
HSLhsl(228, 63%, 40%)
HSVhsv(228, 77%, 65%)
CMYKcmyk(77%, 61.8%, 0%, 35.3%)
CIE-LABlab(31.07, 28.04, -57.63)
CIE-LCHlch(31.07, 64.09, 295.95°)
OKLaboklab(41.66% -0.0066 -0.1665)
OKLCHoklch(41.66% 0.167 267.7)
XYZxyz(9.3660, 6.6827, 36.3863)
Luminance0.0668 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263FA5 #A58C26
analogous
#267FA5 #263FA5 #4D26A5
triadic
#263FA5 #A5263F #3FA526
tetradic
#263FA5 #A5267F #A58C26 #26A54D
square
#263FA5 #A5267F #A58C26 #26A54D
split-complementary
#263FA5 #A54D26 #7FA526
monochromatic
#0F1942 #1B2C73 #263FA5 #3755D1 #6980DC

Accessibility & contrast

On white

8.99
#263FA5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#263FA5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263FA5
8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263FA5#FFFFFF#000000##FFFFFF
##263FA51.008.992.348.99
#FFFFFF8.991.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FA8
Deuteranopia (green-blind)
#0043A3
Tritanopia (blue-blind)
#00596C
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #263fa5;
/* rgb */ color: rgb(38, 63, 165);
/* oklch */ color: oklch(41.7% 0.167 267.7);
Tailwind
colors: {
  custom: {
    50: '#7573c1',
    500: '#263fa5',
    950: '#000000',
  },
}
SCSS
$custom: #263fa5;
$custom-light: #7573c1;
$custom-dark: #000000;
JSON
{
  "hex": "#263fa5",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 165
  },
  "hsl": {
    "h": 228.189,
    "s": 62.562,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41657,
    "c": 0.16668,
    "h": 267.7
  },
  "luminance": 0.06684
}

Semantic roles & 50–950 ramp

primary
#263FA5
secondary
#C3B064
accent
#C542E6
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0812
muted
#7C7B81

Preview Lab

Preview with #263FA5

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

Preview Lab → · Contrast checker → · Palette generator →

#263FA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva