#274C99#274C99

#274C99 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.4% C 0.133 H 262.8°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#274C99
RGB	rgb(39, 76, 153)
HSL	hsl(221, 59%, 38%)
HSV	hsv(221, 75%, 60%)
CMYK	cmyk(74.5%, 50.3%, 0%, 40%)
CIE-LAB	lab(33.77, 14.78, -46.00)
CIE-LCH	lch(33.77, 48.32, 287.81°)
OKLab	oklab(43.41% -0.0167 -0.1321)
OKLCH	oklch(43.41% 0.133 262.8)
XYZ	xyz(9.1689, 7.8991, 31.1723)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274C99 #997427

analogous

#278599 #274C99 #3B2799

triadic

#274C99 #99274C #4C9927

tetradic

#274C99 #992785 #997427 #27993B

square

#274C99 #992785 #997427 #27993B

split-complementary

#274C99 #993B27 #859927

monochromatic

#0E1C37 #1B3468 #274C99 #3364CA #6389D7

Accessibility & contrast

On white

8.14

#274C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#274C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C99

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274C99	#FFFFFF	#000000	##FFFFFF
##274C99	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F559C

Deuteranopia (green-blind)

#004A97

Tritanopia (blue-blind)

#005E6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274c99;
/* rgb */ color: rgb(39, 76, 153);
/* oklch */ color: oklch(43.4% 0.133 262.8);

Tailwind

colors: {
  custom: {
    50: '#717db8',
    500: '#274c99',
    950: '#000000',
  },
}

SCSS

$custom: #274c99;
$custom-light: #717db8;
$custom-dark: #000000;

JSON

{
  "hex": "#274c99",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 153
  },
  "hsl": {
    "h": 220.526,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4341,
    "c": 0.1332,
    "h": 262.8
  },
  "luminance": 0.079
}

Semantic roles & 50–950 ramp

primary

#274C99

secondary

#BD9E5F

accent

#AF45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #274C99

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

Preview Lab → · Contrast checker → · Palette generator →