#274BBA#274BBA

#274BBA is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.180 H 265.7°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#274BBA
RGB	rgb(39, 75, 186)
HSL	hsl(225, 65%, 44%)
HSV	hsv(225, 79%, 73%)
CMYK	cmyk(79%, 59.7%, 0%, 27.1%)
CIE-LAB	lab(36.00, 28.18, -62.07)
CIE-LCH	lch(36.00, 68.17, 294.41°)
OKLab	oklab(45.88% -0.0134 -0.1794)
OKLCH	oklch(45.88% 0.18 265.7)
XYZ	xyz(12.2126, 9.0072, 47.5398)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274BBA #BA9627

analogous

#2795BA #274BBA #4D27BA

triadic

#274BBA #BA274B #4BBA27

tetradic

#274BBA #BA2795 #BA9627 #27BA4D

square

#274BBA #BA2795 #BA9627 #27BA4D

split-complementary

#274BBA #BA4D27 #95BA27

monochromatic

#122255 #1C3787 #274BBA #466AD8 #7993E3

Accessibility & contrast

On white

7.50

#274BBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#274BBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274BBA

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274BBA	#FFFFFF	#000000	##FFFFFF
##274BBA	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBE

Deuteranopia (green-blind)

#004EB8

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #274bba;
/* rgb */ color: rgb(39, 75, 186);
/* oklch */ color: oklch(45.9% 0.180 265.7);

Tailwind

colors: {
  custom: {
    50: '#797cd0',
    500: '#274bba',
    950: '#000000',
  },
}

SCSS

$custom: #274bba;
$custom-light: #797cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#274bba",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 186
  },
  "hsl": {
    "h": 225.306,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45879,
    "c": 0.17992,
    "h": 265.7
  },
  "luminance": 0.09009
}

Semantic roles & 50–950 ramp

primary

#274BBA

secondary

#CBB572

accent

#BF40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #274BBA

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

Preview Lab → · Contrast checker → · Palette generator →