#274CB9#274CB9

#274CB9 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.0% C 0.177 H 265.5°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#274CB9
RGB	rgb(39, 76, 185)
HSL	hsl(225, 65%, 44%)
HSV	hsv(225, 79%, 73%)
CMYK	cmyk(78.9%, 58.9%, 0%, 27.5%)
CIE-LAB	lab(36.18, 27.14, -61.19)
CIE-LCH	lch(36.18, 66.94, 293.92°)
OKLab	oklab(45.99% -0.014 -0.1768)
OKLCH	oklch(45.99% 0.177 265.5)
XYZ	xyz(12.1750, 9.1016, 47.0046)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274CB9 #B99427

analogous

#2795B9 #274CB9 #4B27B9

triadic

#274CB9 #B9274C #4CB927

tetradic

#274CB9 #B92795 #B99427 #27B94B

square

#274CB9 #B92795 #B99427 #27B94B

split-complementary

#274CB9 #B94B27 #95B927

monochromatic

#122254 #1C3786 #274CB9 #456AD8 #7893E3

Accessibility & contrast

On white

7.45

#274CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#274CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274CB9

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274CB9	#FFFFFF	#000000	##FFFFFF
##274CB9	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBD

Deuteranopia (green-blind)

#004FB7

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #274cb9;
/* rgb */ color: rgb(39, 76, 185);
/* oklch */ color: oklch(46.0% 0.177 265.5);

Tailwind

colors: {
  custom: {
    50: '#797dcf',
    500: '#274cb9',
    950: '#000000',
  },
}

SCSS

$custom: #274cb9;
$custom-light: #797dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#274cb9",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 185
  },
  "hsl": {
    "h": 224.795,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45989,
    "c": 0.17737,
    "h": 265.5
  },
  "luminance": 0.09103
}

Semantic roles & 50–950 ramp

primary

#274CB9

secondary

#CAB472

accent

#BD40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #274CB9

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

Preview Lab → · Contrast checker → · Palette generator →