#274CBB#274CBB

#274CBB is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.2% C 0.180 H 265.6°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#274CBB
RGB	rgb(39, 76, 187)
HSL	hsl(225, 65%, 44%)
HSV	hsv(225, 79%, 73%)
CMYK	cmyk(79.1%, 59.4%, 0%, 26.7%)
CIE-LAB	lab(36.34, 27.90, -62.10)
CIE-LCH	lch(36.34, 68.08, 294.19°)
OKLab	oklab(46.16% -0.014 -0.1795)
OKLCH	oklch(46.16% 0.18 265.6)
XYZ	xyz(12.3876, 9.1866, 48.1244)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274CBB #BB9627

analogous

#2796BB #274CBB #4C27BB

triadic

#274CBB #BB274C #4CBB27

tetradic

#274CBB #BB2796 #BB9627 #27BB4C

square

#274CBB #BB2796 #BB9627 #27BB4C

split-complementary

#274CBB #BB4C27 #96BB27

monochromatic

#122356 #1C3788 #274CBB #476BD9 #7994E3

Accessibility & contrast

On white

7.40

#274CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#274CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274CBB

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274CBB	#FFFFFF	#000000	##FFFFFF
##274CBB	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #274cbb;
/* rgb */ color: rgb(39, 76, 187);
/* oklch */ color: oklch(46.2% 0.180 265.6);

Tailwind

colors: {
  custom: {
    50: '#797dd0',
    500: '#274cbb',
    950: '#000000',
  },
}

SCSS

$custom: #274cbb;
$custom-light: #797dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#274cbb",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 187
  },
  "hsl": {
    "h": 225,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.46161,
    "c": 0.18002,
    "h": 265.6
  },
  "luminance": 0.09188
}

Semantic roles & 50–950 ramp

primary

#274CBB

secondary

#CBB573

accent

#BE3FE8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #274CBB

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

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