#274DB9#274DB9

#274DB9 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.2% C 0.176 H 265.2°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#274DB9
RGB	rgb(39, 77, 185)
HSL	hsl(224, 65%, 44%)
HSV	hsv(224, 79%, 73%)
CMYK	cmyk(78.9%, 58.4%, 0%, 27.5%)
CIE-LAB	lab(36.44, 26.48, -60.76)
CIE-LCH	lch(36.44, 66.28, 293.54°)
OKLab	oklab(46.19% -0.0147 -0.1755)
OKLCH	oklch(46.19% 0.176 265.2)
XYZ	xyz(12.2444, 9.2405, 47.0278)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274DB9 #B99327

analogous

#2796B9 #274DB9 #4A27B9

triadic

#274DB9 #B9274D #4DB927

tetradic

#274DB9 #B92796 #B99327 #27B94A

square

#274DB9 #B92796 #B99327 #27B94A

split-complementary

#274DB9 #B94A27 #96B927

monochromatic

#122354 #1C3886 #274DB9 #456BD8 #7894E3

Accessibility & contrast

On white

7.37

#274DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#274DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274DB9

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274DB9	#FFFFFF	#000000	##FFFFFF
##274DB9	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#004FB7

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #274db9;
/* rgb */ color: rgb(39, 77, 185);
/* oklch */ color: oklch(46.2% 0.176 265.2);

Tailwind

colors: {
  custom: {
    50: '#797ecf',
    500: '#274db9',
    950: '#000000',
  },
}

SCSS

$custom: #274db9;
$custom-light: #797ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#274db9",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 185
  },
  "hsl": {
    "h": 224.384,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46187,
    "c": 0.17614,
    "h": 265.2
  },
  "luminance": 0.09242
}

Semantic roles & 50–950 ramp

primary

#274DB9

secondary

#CAB372

accent

#BC40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #274DB9

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

Preview Lab → · Contrast checker → · Palette generator →