#274EB4#274EB4

#274EB4 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.168 H 264.7°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#274EB4
RGB	rgb(39, 78, 180)
HSL	hsl(223, 64%, 43%)
HSV	hsv(223, 78%, 71%)
CMYK	cmyk(78.3%, 56.7%, 0%, 29.4%)
CIE-LAB	lab(36.32, 23.90, -58.02)
CIE-LCH	lch(36.32, 62.75, 292.39°)
OKLab	oklab(45.97% -0.0156 -0.1675)
OKLCH	oklch(45.97% 0.168 264.7)
XYZ	xyz(11.7964, 9.1740, 44.3202)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274EB4 #B48D27

analogous

#2795B4 #274EB4 #4627B4

triadic

#274EB4 #B4274E #4EB427

tetradic

#274EB4 #B42795 #B48D27 #27B446

square

#274EB4 #B42795 #B48D27 #27B446

split-complementary

#274EB4 #B44627 #95B427

monochromatic

#11224F #1C3882 #274EB4 #426BD6 #7492E1

Accessibility & contrast

On white

7.41

#274EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#274EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274EB4

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274EB4	#FFFFFF	#000000	##FFFFFF
##274EB4	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB7

Deuteranopia (green-blind)

#004FB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #274eb4;
/* rgb */ color: rgb(39, 78, 180);
/* oklch */ color: oklch(46.0% 0.168 264.7);

Tailwind

colors: {
  custom: {
    50: '#777fcb',
    500: '#274eb4',
    950: '#000000',
  },
}

SCSS

$custom: #274eb4;
$custom-light: #777fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#274eb4",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 180
  },
  "hsl": {
    "h": 223.404,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45969,
    "c": 0.16819,
    "h": 264.7
  },
  "luminance": 0.09175
}

Semantic roles & 50–950 ramp

primary

#274EB4

secondary

#C8AF6F

accent

#B940E7

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #274EB4

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

Preview Lab → · Contrast checker → · Palette generator →