#274F9D#274F9D

#274F9D is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.135 H 262.0°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#274F9D
RGB	rgb(39, 79, 157)
HSL	hsl(220, 60%, 38%)
HSV	hsv(220, 75%, 62%)
CMYK	cmyk(75.2%, 49.7%, 0%, 38.4%)
CIE-LAB	lab(34.92, 14.32, -46.57)
CIE-LCH	lch(34.92, 48.73, 287.09°)
OKLab	oklab(44.37% -0.0187 -0.1338)
OKLCH	oklch(44.37% 0.135 262)
XYZ	xyz(9.7163, 8.4566, 33.0120)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F9D #9D7527

analogous

#278A9D #274F9D #3A279D

triadic

#274F9D #9D274F #4F9D27

tetradic

#274F9D #9D278A #9D7527 #279D3A

square

#274F9D #9D278A #9D7527 #279D3A

split-complementary

#274F9D #9D3A27 #8A9D27

monochromatic

#0F1E3B #1B366C #274F9D #3568CD #668DD9

Accessibility & contrast

On white

7.80

#274F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#274F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F9D

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F9D	#FFFFFF	#000000	##FFFFFF
##274F9D	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2258A0

Deuteranopia (green-blind)

#004D9B

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274f9d;
/* rgb */ color: rgb(39, 79, 157);
/* oklch */ color: oklch(44.4% 0.135 262.0);

Tailwind

colors: {
  custom: {
    50: '#727fba',
    500: '#274f9d',
    950: '#000000',
  },
}

SCSS

$custom: #274f9d;
$custom-light: #727fba;
$custom-dark: #000000;

JSON

{
  "hex": "#274f9d",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 157
  },
  "hsl": {
    "h": 219.661,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44373,
    "c": 0.13507,
    "h": 262
  },
  "luminance": 0.08458
}

Semantic roles & 50–950 ramp

primary

#274F9D

secondary

#BF9F61

accent

#AD44E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274F9D

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

Preview Lab → · Contrast checker → · Palette generator →