#274DA3#274DA3

#274DA3 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.4% C 0.146 H 263.6°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#274DA3
RGB	rgb(39, 77, 163)
HSL	hsl(222, 61%, 40%)
HSV	hsv(222, 76%, 64%)
CMYK	cmyk(76.1%, 52.8%, 0%, 36.1%)
CIE-LAB	lab(34.77, 18.00, -50.42)
CIE-LCH	lch(34.77, 53.54, 289.64°)
OKLab	oklab(44.39% -0.0163 -0.1451)
OKLCH	oklch(44.39% 0.146 263.6)
XYZ	xyz(10.0991, 8.3823, 35.7289)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274DA3 #A37D27

analogous

#278BA3 #274DA3 #3F27A3

triadic

#274DA3 #A3274D #4DA327

tetradic

#274DA3 #A3278B #A37D27 #27A33F

square

#274DA3 #A3278B #A37D27 #27A33F

split-complementary

#274DA3 #A33F27 #8BA327

monochromatic

#0F1E40 #1B3672 #274DA3 #3866CF #698CDB

Accessibility & contrast

On white

7.85

#274DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#274DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274DA3

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274DA3	#FFFFFF	#000000	##FFFFFF
##274DA3	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1258A6

Deuteranopia (green-blind)

#004CA1

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274da3;
/* rgb */ color: rgb(39, 77, 163);
/* oklch */ color: oklch(44.4% 0.146 263.6);

Tailwind

colors: {
  custom: {
    50: '#737ebf',
    500: '#274da3',
    950: '#000000',
  },
}

SCSS

$custom: #274da3;
$custom-light: #737ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#274da3",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 163
  },
  "hsl": {
    "h": 221.613,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44394,
    "c": 0.14604,
    "h": 263.6
  },
  "luminance": 0.08383
}

Semantic roles & 50–950 ramp

primary

#274DA3

secondary

#C1A564

accent

#B343E4

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274DA3

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

Preview Lab → · Contrast checker → · Palette generator →