#274EB9#274EB9

#274EB9 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.175 H 265.0°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#274EB9
RGB	rgb(39, 78, 185)
HSL	hsl(224, 65%, 44%)
HSV	hsv(224, 79%, 73%)
CMYK	cmyk(78.9%, 57.8%, 0%, 27.5%)
CIE-LAB	lab(36.71, 25.82, -60.33)
CIE-LCH	lch(36.71, 65.62, 293.17°)
OKLab	oklab(46.39% -0.0153 -0.1742)
OKLCH	oklch(46.39% 0.175 265)
XYZ	xyz(12.3149, 9.3815, 47.0513)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274EB9 #B99227

analogous

#2797B9 #274EB9 #4927B9

triadic

#274EB9 #B9274E #4EB927

tetradic

#274EB9 #B92797 #B99227 #27B949

square

#274EB9 #B92797 #B99227 #27B949

split-complementary

#274EB9 #B94927 #97B927

monochromatic

#122354 #1C3986 #274EB9 #456CD8 #7894E3

Accessibility & contrast

On white

7.30

#274EB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#274EB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274EB9

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274EB9	#FFFFFF	#000000	##FFFFFF
##274EB9	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#0050B7

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #274eb9;
/* rgb */ color: rgb(39, 78, 185);
/* oklch */ color: oklch(46.4% 0.175 265.0);

Tailwind

colors: {
  custom: {
    50: '#797fcf',
    500: '#274eb9',
    950: '#000000',
  },
}

SCSS

$custom: #274eb9;
$custom-light: #797fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#274eb9",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 185
  },
  "hsl": {
    "h": 223.973,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46386,
    "c": 0.17491,
    "h": 265
  },
  "luminance": 0.09383
}

Semantic roles & 50–950 ramp

primary

#274EB9

secondary

#CAB372

accent

#BB40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #274EB9

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

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