#263CAB#263CAB

#263CAB is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.178 H 268.4°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX#263CAB
RGBrgb(38, 60, 171)
HSLhsl(230, 64%, 41%)
HSVhsv(230, 78%, 67%)
CMYKcmyk(77.8%, 64.9%, 0%, 32.9%)
CIE-LABlab(30.84, 32.28, -61.62)
CIE-LCHlch(30.84, 69.56, 297.65°)
OKLaboklab(41.65% -0.0049 -0.1783)
OKLCHoklch(41.65% 0.178 268.4)
XYZxyz(9.7633, 6.5830, 39.2763)
Luminance0.0658 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263CAB #AB9526
analogous
#267EAB #263CAB #5226AB
triadic
#263CAB #AB263C #3CAB26
tetradic
#263CAB #AB267E #AB9526 #26AB52
square
#263CAB #AB267E #AB9526 #26AB52
split-complementary
#263CAB #AB5226 #7EAB26
monochromatic
#101947 #1B2A79 #263CAB #3B54D3 #6D80DF

Accessibility & contrast

On white

9.06
#263CAB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.32
#263CAB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263CAB
9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263CAB#FFFFFF#000000##FFFFFF
##263CAB1.009.062.329.06
#FFFFFF9.061.0021.001.00
#0000002.3221.001.0021.00
##FFFFFF9.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FAF
Deuteranopia (green-blind)
#0042A9
Tritanopia (blue-blind)
#00596E
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #263cab;
/* rgb */ color: rgb(38, 60, 171);
/* oklch */ color: oklch(41.6% 0.178 268.4);
Tailwind
colors: {
  custom: {
    50: '#7671c5',
    500: '#263cab',
    950: '#000000',
  },
}
SCSS
$custom: #263cab;
$custom-light: #7671c5;
$custom-dark: #000000;
JSON
{
  "hex": "#263cab",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 171
  },
  "hsl": {
    "h": 230.075,
    "s": 63.636,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41646,
    "c": 0.17833,
    "h": 268.4
  },
  "luminance": 0.06584
}

Semantic roles & 50–950 ramp

primary
#263CAB
secondary
#C5B668
accent
#CB41E7
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82

Preview Lab

Preview with #263CAB

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

Preview Lab → · Contrast checker → · Palette generator →

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