#274FA4#274FA4

#274FA4 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.9% C 0.145 H 262.9°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#274FA4
RGB	rgb(39, 79, 164)
HSL	hsl(221, 62%, 40%)
HSV	hsv(221, 76%, 64%)
CMYK	cmyk(76.2%, 51.8%, 0%, 35.7%)
CIE-LAB	lab(35.41, 17.05, -49.99)
CIE-LCH	lch(35.41, 52.81, 288.83°)
OKLab	oklab(44.9% -0.0178 -0.1438)
OKLCH	oklch(44.9% 0.145 262.9)
XYZ	xyz(10.3311, 8.7025, 36.2500)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274FA4 #A47C27

analogous

#278EA4 #274FA4 #3E27A4

triadic

#274FA4 #A4274F #4FA427

tetradic

#274FA4 #A4278E #A47C27 #27A43E

square

#274FA4 #A4278E #A47C27 #27A43E

split-complementary

#274FA4 #A43E27 #8EA427

monochromatic

#0F1F41 #1B3773 #274FA4 #3869D0 #6A8EDC

Accessibility & contrast

On white

7.66

#274FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#274FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274FA4

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274FA4	#FFFFFF	#000000	##FFFFFF
##274FA4	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1859A7

Deuteranopia (green-blind)

#004EA2

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274fa4;
/* rgb */ color: rgb(39, 79, 164);
/* oklch */ color: oklch(44.9% 0.145 262.9);

Tailwind

colors: {
  custom: {
    50: '#747fc0',
    500: '#274fa4',
    950: '#000000',
  },
}

SCSS

$custom: #274fa4;
$custom-light: #747fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#274fa4",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 164
  },
  "hsl": {
    "h": 220.8,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44903,
    "c": 0.14492,
    "h": 262.9
  },
  "luminance": 0.08704
}

Semantic roles & 50–950 ramp

primary

#274FA4

secondary

#C2A465

accent

#B143E5

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274FA4

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

Preview Lab → · Contrast checker → · Palette generator →