#274FB5#274FB5

#274FB5 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.168 H 264.5°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#274FB5
RGB	rgb(39, 79, 181)
HSL	hsl(223, 65%, 43%)
HSV	hsv(223, 78%, 71%)
CMYK	cmyk(78.5%, 56.4%, 0%, 29%)
CIE-LAB	lab(36.66, 23.62, -58.04)
CIE-LCH	lch(36.66, 62.67, 292.14°)
OKLab	oklab(46.26% -0.0162 -0.1675)
OKLCH	oklch(46.26% 0.168 264.5)
XYZ	xyz(11.9702, 9.3581, 44.8825)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274FB5 #B58D27

analogous

#2796B5 #274FB5 #4627B5

triadic

#274FB5 #B5274F #4FB527

tetradic

#274FB5 #B52796 #B58D27 #27B546

square

#274FB5 #B52796 #B58D27 #27B546

split-complementary

#274FB5 #B54627 #96B527

monochromatic

#112350 #1C3983 #274FB5 #436CD6 #7594E1

Accessibility & contrast

On white

7.31

#274FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#274FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274FB5

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274FB5	#FFFFFF	#000000	##FFFFFF
##274FB5	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0050B3

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #274fb5;
/* rgb */ color: rgb(39, 79, 181);
/* oklch */ color: oklch(46.3% 0.168 264.5);

Tailwind

colors: {
  custom: {
    50: '#787fcc',
    500: '#274fb5',
    950: '#000000',
  },
}

SCSS

$custom: #274fb5;
$custom-light: #787fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#274fb5",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 181
  },
  "hsl": {
    "h": 223.099,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46255,
    "c": 0.16831,
    "h": 264.5
  },
  "luminance": 0.09359
}

Semantic roles & 50–950 ramp

primary

#274FB5

secondary

#C9AF6F

accent

#B840E8

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #274FB5

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

Preview Lab → · Contrast checker → · Palette generator →