#274CAD#274CAD

#274CAD is a dark, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.161 H 264.8°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#274CAD
RGB	rgb(39, 76, 173)
HSL	hsl(223, 63%, 42%)
HSV	hsv(223, 77%, 68%)
CMYK	cmyk(77.5%, 56.1%, 0%, 32.2%)
CIE-LAB	lab(35.23, 22.54, -55.63)
CIE-LCH	lch(35.23, 60.02, 292.05°)
OKLab	oklab(44.98% -0.0146 -0.1605)
OKLCH	oklch(44.98% 0.161 264.8)
XYZ	xyz(10.9613, 8.6161, 40.6124)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274CAD #AD8827

analogous

#278FAD #274CAD #4527AD

triadic

#274CAD #AD274C #4CAD27

tetradic

#274CAD #AD278F #AD8827 #27AD45

square

#274CAD #AD278F #AD8827 #27AD45

split-complementary

#274CAD #AD4527 #8FAD27

monochromatic

#102049 #1C367B #274CAD #3E67D3 #708EDF

Accessibility & contrast

On white

7.71

#274CAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#274CAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274CAD

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274CAD	#FFFFFF	#000000	##FFFFFF
##274CAD	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B0

Deuteranopia (green-blind)

#004DAB

Tritanopia (blue-blind)

#006475

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274cad;
/* rgb */ color: rgb(39, 76, 173);
/* oklch */ color: oklch(45.0% 0.161 264.8);

Tailwind

colors: {
  custom: {
    50: '#767dc6',
    500: '#274cad',
    950: '#000000',
  },
}

SCSS

$custom: #274cad;
$custom-light: #767dc6;
$custom-dark: #000000;

JSON

{
  "hex": "#274cad",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 173
  },
  "hsl": {
    "h": 223.433,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44984,
    "c": 0.16115,
    "h": 264.8
  },
  "luminance": 0.08617
}

Semantic roles & 50–950 ramp

primary

#274CAD

secondary

#C6AC6A

accent

#B942E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274CAD

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

Preview Lab → · Contrast checker → · Palette generator →