#2742AD#2742AD

#2742AD is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.174 H 267.4°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2742AD
RGB	rgb(39, 66, 173)
HSL	hsl(228, 63%, 42%)
HSV	hsv(228, 77%, 68%)
CMYK	cmyk(77.5%, 61.8%, 0%, 32.2%)
CIE-LAB	lab(32.58, 29.19, -59.96)
CIE-LCH	lch(32.58, 66.69, 295.96°)
OKLab	oklab(43% -0.0078 -0.1733)
OKLCH	oklch(43% 0.174 267.4)
XYZ	xyz(10.3251, 7.3437, 40.4004)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2742AD #AD9227

analogous

#2785AD #2742AD #4F27AD

triadic

#2742AD #AD2742 #42AD27

tetradic

#2742AD #AD2785 #AD9227 #27AD4F

square

#2742AD #AD2785 #AD9227 #27AD4F

split-complementary

#2742AD #AD4F27 #85AD27

monochromatic

#101C49 #1C2F7B #2742AD #3E5CD3 #7086DF

Accessibility & contrast

On white

8.51

#2742AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2742AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2742AD

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2742AD	#FFFFFF	#000000	##FFFFFF
##2742AD	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2742ad;
/* rgb */ color: rgb(39, 66, 173);
/* oklch */ color: oklch(43.0% 0.174 267.4);

Tailwind

colors: {
  custom: {
    50: '#7776c6',
    500: '#2742ad',
    950: '#000000',
  },
}

SCSS

$custom: #2742ad;
$custom-light: #7776c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2742ad",
  "rgb": {
    "r": 39,
    "g": 66,
    "b": 173
  },
  "hsl": {
    "h": 227.91,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42996,
    "c": 0.17351,
    "h": 267.4
  },
  "luminance": 0.07345
}

Semantic roles & 50–950 ramp

primary

#2742AD

secondary

#C6B36A

accent

#C542E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2742AD

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

Preview Lab → · Contrast checker → · Palette generator →