#2742AB#2742AB

#2742AB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.171 H 267.4°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#2742AB
RGB	rgb(39, 66, 171)
HSL	hsl(228, 63%, 41%)
HSV	hsv(228, 77%, 67%)
CMYK	cmyk(77.2%, 61.4%, 0%, 32.9%)
CIE-LAB	lab(32.41, 28.43, -59.05)
CIE-LCH	lch(32.41, 65.54, 295.71°)
OKLab	oklab(42.82% -0.0078 -0.1706)
OKLCH	oklch(42.82% 0.171 267.4)
XYZ	xyz(10.1330, 7.2669, 39.3888)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2742AB #AB9027

analogous

#2784AB #2742AB #4E27AB

triadic

#2742AB #AB2742 #42AB27

tetradic

#2742AB #AB2784 #AB9027 #27AB4E

square

#2742AB #AB2784 #AB9027 #27AB4E

split-complementary

#2742AB #AB4E27 #84AB27

monochromatic

#101C47 #1C2F79 #2742AB #3D5BD3 #6E85DE

Accessibility & contrast

On white

8.56

#2742AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2742AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2742AB

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2742AB	#FFFFFF	#000000	##FFFFFF
##2742AB	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AE

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2742ab;
/* rgb */ color: rgb(39, 66, 171);
/* oklch */ color: oklch(42.8% 0.171 267.4);

Tailwind

colors: {
  custom: {
    50: '#7676c5',
    500: '#2742ab',
    950: '#000000',
  },
}

SCSS

$custom: #2742ab;
$custom-light: #7676c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2742ab",
  "rgb": {
    "r": 39,
    "g": 66,
    "b": 171
  },
  "hsl": {
    "h": 227.727,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42817,
    "c": 0.17083,
    "h": 267.4
  },
  "luminance": 0.07268
}

Semantic roles & 50–950 ramp

primary

#2742AB

secondary

#C5B269

accent

#C442E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2742AB

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

Preview Lab → · Contrast checker → · Palette generator →