#274FB4#274FB4

#274FB4 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.167 H 264.4°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#274FB4
RGB	rgb(39, 79, 180)
HSL	hsl(223, 64%, 43%)
HSV	hsv(223, 78%, 71%)
CMYK	cmyk(78.3%, 56.1%, 0%, 29.4%)
CIE-LAB	lab(36.59, 23.24, -57.58)
CIE-LCH	lch(36.59, 62.09, 291.98°)
OKLab	oklab(46.17% -0.0163 -0.1661)
OKLCH	oklch(46.17% 0.167 264.4)
XYZ	xyz(11.8680, 9.3172, 44.3441)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274FB4 #B48C27

analogous

#2795B4 #274FB4 #4627B4

triadic

#274FB4 #B4274F #4FB427

tetradic

#274FB4 #B42795 #B48C27 #27B446

square

#274FB4 #B42795 #B48C27 #27B446

split-complementary

#274FB4 #B44627 #95B427

monochromatic

#11234F #1C3982 #274FB4 #426CD6 #7493E1

Accessibility & contrast

On white

7.33

#274FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#274FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274FB4

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274FB4	#FFFFFF	#000000	##FFFFFF
##274FB4	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB7

Deuteranopia (green-blind)

#0050B2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #274fb4;
/* rgb */ color: rgb(39, 79, 180);
/* oklch */ color: oklch(46.2% 0.167 264.4);

Tailwind

colors: {
  custom: {
    50: '#777fcb',
    500: '#274fb4',
    950: '#000000',
  },
}

SCSS

$custom: #274fb4;
$custom-light: #777fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#274fb4",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 180
  },
  "hsl": {
    "h": 222.979,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.46173,
    "c": 0.16695,
    "h": 264.4
  },
  "luminance": 0.09319
}

Semantic roles & 50–950 ramp

primary

#274FB4

secondary

#C8AF6F

accent

#B840E7

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #274FB4

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

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