#274C9A#274C9A

#274C9A is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.5% C 0.135 H 263.0°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#274C9A
RGB	rgb(39, 76, 154)
HSL	hsl(221, 60%, 38%)
HSV	hsv(221, 75%, 60%)
CMYK	cmyk(74.7%, 50.6%, 0%, 39.6%)
CIE-LAB	lab(33.84, 15.17, -46.49)
CIE-LCH	lch(33.84, 48.91, 288.07°)
OKLab	oklab(43.49% -0.0165 -0.1336)
OKLCH	oklch(43.49% 0.135 263)
XYZ	xyz(9.2518, 7.9323, 31.6091)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274C9A #9A7527

analogous

#27859A #274C9A #3C279A

triadic

#274C9A #9A274C #4C9A27

tetradic

#274C9A #9A2785 #9A7527 #279A3C

square

#274C9A #9A2785 #9A7527 #279A3C

split-complementary

#274C9A #9A3C27 #859A27

monochromatic

#0E1C38 #1B3469 #274C9A #3364CB #6489D8

Accessibility & contrast

On white

8.12

#274C9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#274C9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C9A

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274C9A	#FFFFFF	#000000	##FFFFFF
##274C9A	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E559D

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274c9a;
/* rgb */ color: rgb(39, 76, 154);
/* oklch */ color: oklch(43.5% 0.135 263.0);

Tailwind

colors: {
  custom: {
    50: '#717db8',
    500: '#274c9a',
    950: '#000000',
  },
}

SCSS

$custom: #274c9a;
$custom-light: #717db8;
$custom-dark: #000000;

JSON

{
  "hex": "#274c9a",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 154
  },
  "hsl": {
    "h": 220.696,
    "s": 59.585,
    "l": 37.843
  },
  "oklch": {
    "l": 0.43486,
    "c": 0.13462,
    "h": 263
  },
  "luminance": 0.07933
}

Semantic roles & 50–950 ramp

primary

#274C9A

secondary

#BD9F5F

accent

#B045E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #274C9A

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

Preview Lab → · Contrast checker → · Palette generator →