#274DAA#274DAA

#274DAA is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.9% C 0.156 H 264.3°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#274DAA
RGB	rgb(39, 77, 170)
HSL	hsl(223, 63%, 41%)
HSV	hsv(223, 77%, 67%)
CMYK	cmyk(77.1%, 54.7%, 0%, 33.3%)
CIE-LAB	lab(35.28, 20.71, -53.77)
CIE-LCH	lch(35.28, 57.62, 291.07°)
OKLab	oklab(44.95% -0.0156 -0.155)
OKLCH	oklch(44.95% 0.156 264.3)
XYZ	xyz(10.7437, 8.6402, 39.1239)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274DAA #AA8427

analogous

#278EAA #274DAA #4227AA

triadic

#274DAA #AA274D #4DAA27

tetradic

#274DAA #AA278E #AA8427 #27AA42

square

#274DAA #AA278E #AA8427 #27AA42

split-complementary

#274DAA #AA4227 #8EAA27

monochromatic

#102046 #1C3678 #274DAA #3C68D2 #6E8EDE

Accessibility & contrast

On white

7.70

#274DAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#274DAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274DAA

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274DAA	#FFFFFF	#000000	##FFFFFF
##274DAA	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AD

Deuteranopia (green-blind)

#004DA8

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274daa;
/* rgb */ color: rgb(39, 77, 170);
/* oklch */ color: oklch(44.9% 0.156 264.3);

Tailwind

colors: {
  custom: {
    50: '#757ec4',
    500: '#274daa',
    950: '#000000',
  },
}

SCSS

$custom: #274daa;
$custom-light: #757ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#274daa",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 170
  },
  "hsl": {
    "h": 222.595,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.44948,
    "c": 0.15576,
    "h": 264.3
  },
  "luminance": 0.08641
}

Semantic roles & 50–950 ramp

primary

#274DAA

secondary

#C4AA69

accent

#B642E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274DAA

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

Preview Lab → · Contrast checker → · Palette generator →