#2747BA#2747BA

#2747BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.1% C 0.185 H 266.6°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#2747BA
RGB	rgb(39, 71, 186)
HSL	hsl(227, 65%, 44%)
HSV	hsv(227, 79%, 73%)
CMYK	cmyk(79%, 61.8%, 0%, 27.1%)
CIE-LAB	lab(34.97, 30.80, -63.76)
CIE-LCH	lch(34.97, 70.81, 295.78°)
OKLab	oklab(45.11% -0.0109 -0.1844)
OKLCH	oklch(45.11% 0.185 266.6)
XYZ	xyz(11.9498, 8.4816, 47.4522)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2747BA #BA9A27

analogous

#2791BA #2747BA #5127BA

triadic

#2747BA #BA2747 #47BA27

tetradic

#2747BA #BA2791 #BA9A27 #27BA51

square

#2747BA #BA2791 #BA9A27 #27BA51

split-complementary

#2747BA #BA5127 #91BA27

monochromatic

#122055 #1C3487 #2747BA #4666D8 #7990E3

Accessibility & contrast

On white

7.79

#2747BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2747BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2747BA

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2747BA	#FFFFFF	#000000	##FFFFFF
##2747BA	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004CB8

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2747ba;
/* rgb */ color: rgb(39, 71, 186);
/* oklch */ color: oklch(45.1% 0.185 266.6);

Tailwind

colors: {
  custom: {
    50: '#7979d0',
    500: '#2747ba',
    950: '#000000',
  },
}

SCSS

$custom: #2747ba;
$custom-light: #7979d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2747ba",
  "rgb": {
    "r": 39,
    "g": 71,
    "b": 186
  },
  "hsl": {
    "h": 226.939,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45112,
    "c": 0.18473,
    "h": 266.6
  },
  "luminance": 0.08483
}

Semantic roles & 50–950 ramp

primary

#2747BA

secondary

#CBB772

accent

#C440E8

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2747BA

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

Preview Lab → · Contrast checker → · Palette generator →