#263BA9#263BA9

#263BA9 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.3% C 0.177 H 268.6°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX#263BA9
RGBrgb(38, 59, 169)
HSLhsl(230, 63%, 41%)
HSVhsv(230, 78%, 66%)
CMYKcmyk(77.5%, 65.1%, 0%, 33.7%)
CIE-LABlab(30.41, 32.19, -61.12)
CIE-LCHlch(30.41, 69.08, 297.77°)
OKLaboklab(41.28% -0.0042 -0.1768)
OKLCHoklch(41.28% 0.177 268.6)
XYZxyz(9.5223, 6.4035, 38.2626)
Luminance0.0640 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263BA9 #A99426
analogous
#267CA9 #263BA9 #5326A9
triadic
#263BA9 #A9263B #3BA926
tetradic
#263BA9 #A9267C #A99426 #26A953
square
#263BA9 #A9267C #A99426 #26A953
split-complementary
#263BA9 #A95326 #7CA926
monochromatic
#101845 #1B2A77 #263BA9 #3A52D3 #6C7EDE

Accessibility & contrast

On white

9.21
#263BA9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.28
#263BA9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263BA9
9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263BA9#FFFFFF#000000##FFFFFF
##263BA91.009.212.289.21
#FFFFFF9.211.0021.001.00
#0000002.2821.001.0021.00
##FFFFFF9.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004EAC
Deuteranopia (green-blind)
#0041A7
Tritanopia (blue-blind)
#00586C
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #263ba9;
/* rgb */ color: rgb(38, 59, 169);
/* oklch */ color: oklch(41.3% 0.177 268.6);
Tailwind
colors: {
  custom: {
    50: '#7671c4',
    500: '#263ba9',
    950: '#000000',
  },
}
SCSS
$custom: #263ba9;
$custom-light: #7671c4;
$custom-dark: #000000;
JSON
{
  "hex": "#263ba9",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 169
  },
  "hsl": {
    "h": 230.382,
    "s": 63.285,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41275,
    "c": 0.17687,
    "h": 268.6
  },
  "luminance": 0.06405
}

Semantic roles & 50–950 ramp

primary
#263BA9
secondary
#C4B567
accent
#CC41E6
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82

Preview Lab

Preview with #263BA9

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

Preview Lab → · Contrast checker → · Palette generator →

#263BA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva