#274CB5#274CB5

#274CB5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.6% C 0.172 H 265.3°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#274CB5
RGB	rgb(39, 76, 181)
HSL	hsl(224, 65%, 43%)
HSV	hsv(224, 78%, 71%)
CMYK	cmyk(78.5%, 58%, 0%, 29%)
CIE-LAB	lab(35.86, 25.61, -59.36)
CIE-LCH	lch(35.86, 64.64, 293.34°)
OKLab	oklab(45.65% -0.0142 -0.1714)
OKLCH	oklch(45.65% 0.172 265.3)
XYZ	xyz(11.7587, 8.9351, 44.8120)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274CB5 #B59027

analogous

#2793B5 #274CB5 #4927B5

triadic

#274CB5 #B5274C #4CB527

tetradic

#274CB5 #B52793 #B59027 #27B549

square

#274CB5 #B52793 #B59027 #27B549

split-complementary

#274CB5 #B54927 #93B527

monochromatic

#112250 #1C3783 #274CB5 #4369D6 #7591E1

Accessibility & contrast

On white

7.53

#274CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#274CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274CB5

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274CB5	#FFFFFF	#000000	##FFFFFF
##274CB5	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB9

Deuteranopia (green-blind)

#004EB3

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #274cb5;
/* rgb */ color: rgb(39, 76, 181);
/* oklch */ color: oklch(45.6% 0.172 265.3);

Tailwind

colors: {
  custom: {
    50: '#787dcc',
    500: '#274cb5',
    950: '#000000',
  },
}

SCSS

$custom: #274cb5;
$custom-light: #787dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#274cb5",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 181
  },
  "hsl": {
    "h": 224.366,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.45649,
    "c": 0.17201,
    "h": 265.3
  },
  "luminance": 0.08936
}

Semantic roles & 50–950 ramp

primary

#274CB5

secondary

#C9B16F

accent

#BC40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274CB5

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

Preview Lab → · Contrast checker → · Palette generator →