#275BAB#275BAB

#275BAB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.1% C 0.140 H 259.0°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#275BAB
RGBrgb(39, 91, 171)
HSLhsl(216, 63%, 41%)
HSVhsv(216, 77%, 67%)
CMYKcmyk(77.2%, 46.8%, 0%, 32.9%)
CIE-LABlab(39.33, 11.82, -47.83)
CIE-LCHlch(39.33, 49.26, 283.88°)
OKLaboklab(48.06% -0.0267 -0.1372)
OKLCHoklch(48.06% 0.14 259)
XYZxyz(11.9258, 10.8524, 39.9864)
Luminance0.1085 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#275BAB #AB7727
analogous
#279DAB #275BAB #3527AB
triadic
#275BAB #AB275B #5BAB27
tetradic
#275BAB #AB279D #AB7727 #27AB35
square
#275BAB #AB279D #AB7727 #27AB35
split-complementary
#275BAB #AB3527 #9DAB27
monochromatic
#102647 #1C4079 #275BAB #3D78D3 #6E9ADE

Accessibility & contrast

On white

6.62
#275BAB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#275BAB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275BAB
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##275BAB#FFFFFF#000000##FFFFFF
##275BAB1.006.623.176.62
#FFFFFF6.621.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3063AE
Deuteranopia (green-blind)
#0F57A9
Tritanopia (blue-blind)
#006E7A
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #275bab;
/* rgb */ color: rgb(39, 91, 171);
/* oklch */ color: oklch(48.1% 0.140 259.0);
Tailwind
colors: {
  custom: {
    50: '#7588c4',
    500: '#275bab',
    950: '#000000',
  },
}
SCSS
$custom: #275bab;
$custom-light: #7588c4;
$custom-dark: #000000;
JSON
{
  "hex": "#275bab",
  "rgb": {
    "r": 39,
    "g": 91,
    "b": 171
  },
  "hsl": {
    "h": 216.364,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48062,
    "c": 0.13981,
    "h": 259
  },
  "luminance": 0.10854
}

Semantic roles & 50–950 ramp

primary
#275BAB
secondary
#C5A169
accent
#A542E6
background
#F7F8FC
surface
#EEEFF8
border
#C9CAD1
text
#0A0B13
muted
#7C7C82

Preview Lab

Preview with #275BAB

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

Preview Lab → · Contrast checker → · Palette generator →

#275BAB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva