#274EB5#274EB5

#274EB5 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.1% C 0.170 H 264.7°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#274EB5
RGB	rgb(39, 78, 181)
HSL	hsl(224, 65%, 43%)
HSV	hsv(224, 78%, 71%)
CMYK	cmyk(78.5%, 56.9%, 0%, 29%)
CIE-LAB	lab(36.39, 24.28, -58.48)
CIE-LCH	lch(36.39, 63.32, 292.55°)
OKLab	oklab(46.05% -0.0155 -0.1688)
OKLCH	oklch(46.05% 0.17 264.7)
XYZ	xyz(11.8986, 9.2149, 44.8587)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274EB5 #B58E27

analogous

#2795B5 #274EB5 #4727B5

triadic

#274EB5 #B5274E #4EB527

tetradic

#274EB5 #B52795 #B58E27 #27B547

square

#274EB5 #B52795 #B58E27 #27B547

split-complementary

#274EB5 #B54727 #95B527

monochromatic

#112350 #1C3883 #274EB5 #436BD6 #7593E1

Accessibility & contrast

On white

7.39

#274EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#274EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274EB5

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274EB5	#FFFFFF	#000000	##FFFFFF
##274EB5	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB9

Deuteranopia (green-blind)

#004FB3

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #274eb5;
/* rgb */ color: rgb(39, 78, 181);
/* oklch */ color: oklch(46.1% 0.170 264.7);

Tailwind

colors: {
  custom: {
    50: '#787fcc',
    500: '#274eb5',
    950: '#000000',
  },
}

SCSS

$custom: #274eb5;
$custom-light: #787fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#274eb5",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 181
  },
  "hsl": {
    "h": 223.521,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46052,
    "c": 0.16953,
    "h": 264.7
  },
  "luminance": 0.09216
}

Semantic roles & 50–950 ramp

primary

#274EB5

secondary

#C9B06F

accent

#BA40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #274EB5

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

Preview Lab → · Contrast checker → · Palette generator →