#274DBC#274DBC

#274DBC is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.180 H 265.4°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#274DBC
RGB	rgb(39, 77, 188)
HSL	hsl(225, 66%, 45%)
HSV	hsv(225, 79%, 74%)
CMYK	cmyk(79.3%, 59%, 0%, 26.3%)
CIE-LAB	lab(36.68, 27.62, -62.13)
CIE-LCH	lch(36.68, 67.99, 293.97°)
OKLab	oklab(46.44% -0.0146 -0.1795)
OKLCH	oklch(46.44% 0.18 265.4)
XYZ	xyz(12.5645, 9.3685, 48.7133)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274DBC #BC9627

analogous

#2798BC #274DBC #4C27BC

triadic

#274DBC #BC274D #4DBC27

tetradic

#274DBC #BC2798 #BC9627 #27BC4C

square

#274DBC #BC2798 #BC9627 #27BC4C

split-complementary

#274DBC #BC4C27 #98BC27

monochromatic

#122357 #1C3889 #274DBC #476CD9 #7A95E3

Accessibility & contrast

On white

7.31

#274DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#274DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274DBC

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274DBC	#FFFFFF	#000000	##FFFFFF
##274DBC	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC0

Deuteranopia (green-blind)

#0050BA

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #274dbc;
/* rgb */ color: rgb(39, 77, 188);
/* oklch */ color: oklch(46.4% 0.180 265.4);

Tailwind

colors: {
  custom: {
    50: '#797ed1',
    500: '#274dbc',
    950: '#000000',
  },
}

SCSS

$custom: #274dbc;
$custom-light: #797ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#274dbc",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 188
  },
  "hsl": {
    "h": 224.698,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46443,
    "c": 0.18014,
    "h": 265.4
  },
  "luminance": 0.0937
}

Semantic roles & 50–950 ramp

primary

#274DBC

secondary

#CBB573

accent

#BD3FE9

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #274DBC

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

Preview Lab → · Contrast checker → · Palette generator →