#275DAC#275DAC

#275DAC is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.139 H 258.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#275DAC
RGBrgb(39, 93, 172)
HSLhsl(216, 63%, 41%)
HSVhsv(216, 77%, 67%)
CMYKcmyk(77.3%, 45.9%, 0%, 32.5%)
CIE-LABlab(39.98, 10.90, -47.38)
CIE-LCHlch(39.98, 48.62, 282.96°)
OKLaboklab(48.58% -0.0283 -0.1359)
OKLCHoklch(48.58% 0.139 258.3)
XYZxyz(12.1947, 11.2372, 40.5480)
Luminance0.1124 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#275DAC #AC7627
analogous
#27A0AC #275DAC #3427AC
triadic
#275DAC #AC275D #5DAC27
tetradic
#275DAC #AC27A0 #AC7627 #27AC34
square
#275DAC #AC27A0 #AC7627 #27AC34
split-complementary
#275DAC #AC3427 #A0AC27
monochromatic
#102748 #1C427A #275DAC #3D7AD3 #6F9CDE

Accessibility & contrast

On white

6.47
#275DAC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.25
#275DAC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275DAC
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##275DAC#FFFFFF#000000##FFFFFF
##275DAC1.006.473.256.47
#FFFFFF6.471.0021.001.00
#0000003.2521.001.0021.00
##FFFFFF6.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3465AF
Deuteranopia (green-blind)
#1559AA
Tritanopia (blue-blind)
#00707C
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #275dac;
/* rgb */ color: rgb(39, 93, 172);
/* oklch */ color: oklch(48.6% 0.139 258.3);
Tailwind
colors: {
  custom: {
    50: '#758ac5',
    500: '#275dac',
    950: '#000000',
  },
}
SCSS
$custom: #275dac;
$custom-light: #758ac5;
$custom-dark: #000000;
JSON
{
  "hex": "#275dac",
  "rgb": {
    "r": 39,
    "g": 93,
    "b": 172
  },
  "hsl": {
    "h": 215.639,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48582,
    "c": 0.13878,
    "h": 258.3
  },
  "luminance": 0.11239
}

Semantic roles & 50–950 ramp

primary
#275DAC
secondary
#C5A06A
accent
#A342E6
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0B13
muted
#7C7C82

Preview Lab

Preview with #275DAC

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

Preview Lab → · Contrast checker → · Palette generator →

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