#275ABA#275ABA

#275ABA is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.9% C 0.162 H 261.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#275ABA
RGBrgb(39, 90, 186)
HSLhsl(219, 65%, 44%)
HSVhsv(219, 79%, 73%)
CMYKcmyk(79%, 51.6%, 0%, 27.1%)
CIE-LABlab(40.06, 18.28, -55.47)
CIE-LCHlch(40.06, 58.41, 288.24°)
OKLaboklab(48.95% -0.0237 -0.1598)
OKLCHoklch(48.95% 0.162 261.5)
XYZxyz(13.3526, 11.2873, 47.9198)
Luminance0.1129 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#275ABA #BA8727
analogous
#27A4BA #275ABA #3E27BA
triadic
#275ABA #BA275A #5ABA27
tetradic
#275ABA #BA27A4 #BA8727 #27BA3E
square
#275ABA #BA27A4 #BA8727 #27BA3E
split-complementary
#275ABA #BA3E27 #A4BA27
monochromatic
#122955 #1C4287 #275ABA #4679D8 #799DE3

Accessibility & contrast

On white

6.45
#275ABA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#275ABA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275ABA
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##275ABA#FFFFFF#000000##FFFFFF
##275ABA1.006.453.266.45
#FFFFFF6.451.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A65BD
Deuteranopia (green-blind)
#0058B8
Tritanopia (blue-blind)
#007181
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #275aba;
/* rgb */ color: rgb(39, 90, 186);
/* oklch */ color: oklch(48.9% 0.162 261.5);
Tailwind
colors: {
  custom: {
    50: '#7888cf',
    500: '#275aba',
    950: '#000000',
  },
}
SCSS
$custom: #275aba;
$custom-light: #7888cf;
$custom-dark: #000000;
JSON
{
  "hex": "#275aba",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 186
  },
  "hsl": {
    "h": 219.184,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48946,
    "c": 0.16151,
    "h": 261.5
  },
  "luminance": 0.11289
}

Semantic roles & 50–950 ramp

primary
#275ABA
secondary
#CBAC72
accent
#AE40E8
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0A0B14
muted
#7C7C82

Preview Lab

Preview with #275ABA

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

Preview Lab → · Contrast checker → · Palette generator →

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