#274BB9#274BB9

#274BB9 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.179 H 265.7°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#274BB9
RGB	rgb(39, 75, 185)
HSL	hsl(225, 65%, 44%)
HSV	hsv(225, 79%, 73%)
CMYK	cmyk(78.9%, 59.5%, 0%, 27.5%)
CIE-LAB	lab(35.92, 27.79, -61.62)
CIE-LCH	lch(35.92, 67.60, 294.28°)
OKLab	oklab(45.79% -0.0134 -0.1781)
OKLCH	oklch(45.79% 0.179 265.7)
XYZ	xyz(12.1066, 8.9649, 46.9819)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274BB9 #B99527

analogous

#2794B9 #274BB9 #4C27B9

triadic

#274BB9 #B9274B #4BB927

tetradic

#274BB9 #B92794 #B99527 #27B94C

square

#274BB9 #B92794 #B99527 #27B94C

split-complementary

#274BB9 #B94C27 #94B927

monochromatic

#122254 #1C3786 #274BB9 #4569D8 #7892E3

Accessibility & contrast

On white

7.52

#274BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#274BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274BB9

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274BB9	#FFFFFF	#000000	##FFFFFF
##274BB9	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #274bb9;
/* rgb */ color: rgb(39, 75, 185);
/* oklch */ color: oklch(45.8% 0.179 265.7);

Tailwind

colors: {
  custom: {
    50: '#797ccf',
    500: '#274bb9',
    950: '#000000',
  },
}

SCSS

$custom: #274bb9;
$custom-light: #797ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#274bb9",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 185
  },
  "hsl": {
    "h": 225.205,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45793,
    "c": 0.17858,
    "h": 265.7
  },
  "luminance": 0.08966
}

Semantic roles & 50–950 ramp

primary

#274BB9

secondary

#CAB472

accent

#BF40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #274BB9

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

Preview Lab → · Contrast checker → · Palette generator →