#2747A8#2747A8

#2747A8 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.161 H 266.0°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#2747A8
RGB	rgb(39, 71, 168)
HSL	hsl(225, 62%, 41%)
HSV	hsv(225, 77%, 66%)
CMYK	cmyk(76.8%, 57.7%, 0%, 34.1%)
CIE-LAB	lab(33.49, 23.96, -55.49)
CIE-LCH	lch(33.49, 60.44, 293.35°)
OKLab	oklab(43.55% -0.0113 -0.1601)
OKLCH	oklch(43.55% 0.161 266)
XYZ	xyz(10.1553, 7.7638, 38.0015)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2747A8 #A88827

analogous

#2787A8 #2747A8 #4727A8

triadic

#2747A8 #A82747 #47A827

tetradic

#2747A8 #A82787 #A88827 #27A847

square

#2747A8 #A82787 #A88827 #27A847

split-complementary

#2747A8 #A84727 #87A827

monochromatic

#101D45 #1B3276 #2747A8 #3B60D1 #6C88DD

Accessibility & contrast

On white

8.23

#2747A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2747A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2747A8

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2747A8	#FFFFFF	#000000	##FFFFFF
##2747A8	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AB

Deuteranopia (green-blind)

#0049A6

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2747a8;
/* rgb */ color: rgb(39, 71, 168);
/* oklch */ color: oklch(43.5% 0.161 266.0);

Tailwind

colors: {
  custom: {
    50: '#7579c3',
    500: '#2747a8',
    950: '#000000',
  },
}

SCSS

$custom: #2747a8;
$custom-light: #7579c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2747a8",
  "rgb": {
    "r": 39,
    "g": 71,
    "b": 168
  },
  "hsl": {
    "h": 225.116,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43546,
    "c": 0.16055,
    "h": 266
  },
  "luminance": 0.07765
}

Semantic roles & 50–950 ramp

primary

#2747A8

secondary

#C3AD67

accent

#BD42E5

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2747A8

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

Preview Lab → · Contrast checker → · Palette generator →