#2742A4#2742A4

#2742A4 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.2% C 0.161 H 267.2°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#2742A4
RGB	rgb(39, 66, 164)
HSL	hsl(227, 62%, 40%)
HSV	hsv(227, 76%, 64%)
CMYK	cmyk(76.2%, 59.8%, 0%, 35.7%)
CIE-LAB	lab(31.82, 25.77, -55.80)
CIE-LCH	lch(31.82, 61.47, 294.79°)
OKLab	oklab(42.2% -0.0078 -0.1611)
OKLCH	oklch(42.2% 0.161 267.2)
XYZ	xyz(9.4834, 7.0071, 35.9675)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2742A4 #A48927

analogous

#2781A4 #2742A4 #4B27A4

triadic

#2742A4 #A42742 #42A427

tetradic

#2742A4 #A42781 #A48927 #27A44B

square

#2742A4 #A42781 #A48927 #27A44B

split-complementary

#2742A4 #A44B27 #81A427

monochromatic

#0F1A41 #1B2E73 #2742A4 #3859D0 #6A82DC

Accessibility & contrast

On white

8.74

#2742A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2742A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2742A4

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2742A4	#FFFFFF	#000000	##FFFFFF
##2742A4	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2742a4;
/* rgb */ color: rgb(39, 66, 164);
/* oklch */ color: oklch(42.2% 0.161 267.2);

Tailwind

colors: {
  custom: {
    50: '#7476c0',
    500: '#2742a4',
    950: '#000000',
  },
}

SCSS

$custom: #2742a4;
$custom-light: #7476c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2742a4",
  "rgb": {
    "r": 39,
    "g": 66,
    "b": 164
  },
  "hsl": {
    "h": 227.04,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42201,
    "c": 0.16132,
    "h": 267.2
  },
  "luminance": 0.07008
}

Semantic roles & 50–950 ramp

primary

#2742A4

secondary

#C2AE65

accent

#C243E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2742A4

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

Preview Lab → · Contrast checker → · Palette generator →