#263A4E#263A4E

#263A4E is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.044 H 249.2°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX#263A4E
RGBrgb(38, 58, 78)
HSLhsl(210, 34%, 23%)
HSVhsv(210, 51%, 31%)
CMYKcmyk(51.3%, 25.6%, 0%, 69.4%)
CIE-LABlab(23.63, -1.57, -14.67)
CIE-LCHlch(23.63, 14.75, 263.90°)
OKLaboklab(34.08% -0.0155 -0.0409)
OKLCHoklch(34.08% 0.044 249.2)
XYZxyz(3.6871, 3.9880, 7.7817)
Luminance0.0399 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263A4E #4E3A26
analogous
#264E4E #263A4E #26264E
triadic
#263A4E #4E263A #3A4E26
tetradic
#263A4E #4E264E #4E3A26 #264E26
square
#263A4E #4E264E #4E3A26 #264E26
split-complementary
#263A4E #4E2626 #4E4E26
monochromatic
#0A0F15 #121B25 #263A4E #3A5977 #4E77A0

Accessibility & contrast

On white

11.68
#263A4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#263A4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A4E
11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263A4E#FFFFFF#000000##FFFFFF
##263A4E1.0011.681.8011.68
#FFFFFF11.681.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323B4F
Deuteranopia (green-blind)
#2D364E
Tritanopia (blue-blind)
#153F41
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #263a4e;
/* rgb */ color: rgb(38, 58, 78);
/* oklch */ color: oklch(34.1% 0.044 249.2);
Tailwind
colors: {
  custom: {
    50: '#63707f',
    500: '#263a4e',
    950: '#000000',
  },
}
SCSS
$custom: #263a4e;
$custom-light: #63707f;
$custom-dark: #000000;
JSON
{
  "hex": "#263a4e",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 210,
    "s": 34.483,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34083,
    "c": 0.0437,
    "h": 249.2
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary
#263A4E
secondary
#81684F
accent
#945DCB
background
#F6F6F7
surface
#EBECEE
border
#C6C7C9
text
#05070A
muted
#7A7A7C

Preview Lab

Preview with #263A4E

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

Preview Lab → · Contrast checker → · Palette generator →

#263A4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva