#274AB4#274AB4

#274AB4 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.173 H 265.7°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#274AB4
RGB	rgb(39, 74, 180)
HSL	hsl(225, 64%, 43%)
HSV	hsv(225, 78%, 71%)
CMYK	cmyk(78.3%, 58.9%, 0%, 29.4%)
CIE-LAB	lab(35.25, 26.55, -59.76)
CIE-LCH	lch(35.25, 65.39, 293.96°)
OKLab	oklab(45.17% -0.0129 -0.1726)
OKLCH	oklch(45.17% 0.173 265.7)
XYZ	xyz(11.5208, 8.6229, 44.2284)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274AB4 #B49127

analogous

#2791B4 #274AB4 #4A27B4

triadic

#274AB4 #B4274A #4AB427

tetradic

#274AB4 #B42791 #B49127 #27B44A

square

#274AB4 #B42791 #B49127 #27B44A

split-complementary

#274AB4 #B44A27 #91B427

monochromatic

#11214F #1C3582 #274AB4 #4267D6 #748FE1

Accessibility & contrast

On white

7.71

#274AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#274AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274AB4

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274AB4	#FFFFFF	#000000	##FFFFFF
##274AB4	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)

#005AB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274ab4;
/* rgb */ color: rgb(39, 74, 180);
/* oklch */ color: oklch(45.2% 0.173 265.7);

Tailwind

colors: {
  custom: {
    50: '#787ccb',
    500: '#274ab4',
    950: '#000000',
  },
}

SCSS

$custom: #274ab4;
$custom-light: #787ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#274ab4",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 180
  },
  "hsl": {
    "h": 225.106,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45167,
    "c": 0.17312,
    "h": 265.7
  },
  "luminance": 0.08624
}

Semantic roles & 50–950 ramp

primary

#274AB4

secondary

#C8B26F

accent

#BE40E7

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274AB4

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

Preview Lab → · Contrast checker → · Palette generator →