#274D9C#274D9C

#274D9C is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.136 H 262.8°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#274D9C
RGB	rgb(39, 77, 156)
HSL	hsl(221, 60%, 38%)
HSV	hsv(221, 75%, 61%)
CMYK	cmyk(75%, 50.6%, 0%, 38.8%)
CIE-LAB	lab(34.27, 15.27, -47.01)
CIE-LCH	lch(34.27, 49.43, 288.00°)
OKLab	oklab(43.86% -0.0171 -0.1351)
OKLCH	oklch(43.86% 0.136 262.8)
XYZ	xyz(9.4892, 8.1384, 32.5168)
Luminance	0.0814 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274D9C #9C7627

analogous

#27879C #274D9C #3B279C

triadic

#274D9C #9C274D #4D9C27

tetradic

#274D9C #9C2787 #9C7627 #279C3B

square

#274D9C #9C2787 #9C7627 #279C3B

split-complementary

#274D9C #9C3B27 #879C27

monochromatic

#0F1D3A #1B356B #274D9C #3465CC #658AD8

Accessibility & contrast

On white

7.99

#274D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#274D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D9C

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274D9C	#FFFFFF	#000000	##FFFFFF
##274D9C	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E569F

Deuteranopia (green-blind)

#004C9A

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #274d9c;
/* rgb */ color: rgb(39, 77, 156);
/* oklch */ color: oklch(43.9% 0.136 262.8);

Tailwind

colors: {
  custom: {
    50: '#727eba',
    500: '#274d9c',
    950: '#000000',
  },
}

SCSS

$custom: #274d9c;
$custom-light: #727eba;
$custom-dark: #000000;

JSON

{
  "hex": "#274d9c",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 156
  },
  "hsl": {
    "h": 220.513,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43857,
    "c": 0.13618,
    "h": 262.8
  },
  "luminance": 0.08139
}

Semantic roles & 50–950 ramp

primary

#274D9C

secondary

#BEA061

accent

#B045E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274D9C

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

Preview Lab → · Contrast checker → · Palette generator →