#274CB2#274CB2

#274CB2 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.168 H 265.1°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#274CB2
RGB	rgb(39, 76, 178)
HSL	hsl(224, 64%, 43%)
HSV	hsv(224, 78%, 70%)
CMYK	cmyk(78.1%, 57.3%, 0%, 30.2%)
CIE-LAB	lab(35.62, 24.46, -57.97)
CIE-LCH	lch(35.62, 62.92, 292.88°)
OKLab	oklab(45.4% -0.0143 -0.1673)
OKLCH	oklch(45.4% 0.168 265.1)
XYZ	xyz(11.4542, 8.8133, 43.2083)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274CB2 #B28D27

analogous

#2791B2 #274CB2 #4827B2

triadic

#274CB2 #B2274C #4CB227

tetradic

#274CB2 #B22791 #B28D27 #27B248

square

#274CB2 #B22791 #B28D27 #27B248

split-complementary

#274CB2 #B24827 #91B227

monochromatic

#11214E #1C3780 #274CB2 #4168D5 #7390E0

Accessibility & contrast

On white

7.60

#274CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#274CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274CB2

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274CB2	#FFFFFF	#000000	##FFFFFF
##274CB2	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB5

Deuteranopia (green-blind)

#004EB0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #274cb2;
/* rgb */ color: rgb(39, 76, 178);
/* oklch */ color: oklch(45.4% 0.168 265.1);

Tailwind

colors: {
  custom: {
    50: '#777dca',
    500: '#274cb2',
    950: '#000000',
  },
}

SCSS

$custom: #274cb2;
$custom-light: #777dca;
$custom-dark: #000000;

JSON

{
  "hex": "#274cb2",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 178
  },
  "hsl": {
    "h": 224.029,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45398,
    "c": 0.16795,
    "h": 265.1
  },
  "luminance": 0.08815
}

Semantic roles & 50–950 ramp

primary

#274CB2

secondary

#C8AF6D

accent

#BB41E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274CB2

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

Preview Lab → · Contrast checker → · Palette generator →