#263C58#263C58

#263C58 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 35.2% C 0.057 H 255.0°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX#263C58
RGBrgb(38, 60, 88)
HSLhsl(214, 40%, 25%)
HSVhsv(214, 57%, 35%)
CMYKcmyk(56.8%, 31.8%, 0%, 65.5%)
CIE-LABlab(24.79, 0.61, -19.45)
CIE-LCHlch(24.79, 19.46, 271.80°)
OKLaboklab(35.16% -0.0147 -0.0546)
OKLCHoklch(35.16% 0.057 255)
XYZxyz(4.1760, 4.3480, 9.8498)
Luminance0.0435 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263C58 #584226
analogous
#265558 #263C58 #292658
triadic
#263C58 #58263C #3C5826
tetradic
#263C58 #582655 #584226 #265829
square
#263C58 #582655 #584226 #265829
split-complementary
#263C58 #582926 #555826
monochromatic
#090F15 #141F2D #263C58 #385983 #4B76AD

Accessibility & contrast

On white

11.23
#263C58 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#263C58 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C58
11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263C58#FFFFFF#000000##FFFFFF
##263C581.0011.231.8711.23
#FFFFFF11.231.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#313E59
Deuteranopia (green-blind)
#2B3957
Tritanopia (blue-blind)
#0B4246
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #263c58;
/* rgb */ color: rgb(38, 60, 88);
/* oklch */ color: oklch(35.2% 0.057 255.0);
Tailwind
colors: {
  custom: {
    50: '#647187',
    500: '#263c58',
    950: '#000000',
  },
}
SCSS
$custom: #263c58;
$custom-light: #647187;
$custom-dark: #000000;
JSON
{
  "hex": "#263c58",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 88
  },
  "hsl": {
    "h": 213.6,
    "s": 39.683,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35156,
    "c": 0.05657,
    "h": 255
  },
  "luminance": 0.04348
}

Semantic roles & 50–950 ramp

primary
#263C58
secondary
#8B714F
accent
#9B58D0
background
#F6F6F8
surface
#EBECEF
border
#C6C7CA
text
#06070B
muted
#7A7A7C

Preview Lab

Preview with #263C58

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

Preview Lab → · Contrast checker → · Palette generator →

#263C58 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva