#274C9E#274C9E

#274C9E is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.8% C 0.140 H 263.4°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#274C9E
RGB	rgb(39, 76, 158)
HSL	hsl(221, 60%, 39%)
HSV	hsv(221, 75%, 62%)
CMYK	cmyk(75.3%, 51.9%, 0%, 38%)
CIE-LAB	lab(34.12, 16.73, -48.45)
CIE-LCH	lch(34.12, 51.26, 289.04°)
OKLab	oklab(43.79% -0.016 -0.1394)
OKLCH	oklch(43.79% 0.14 263.4)
XYZ	xyz(9.5905, 8.0678, 33.3929)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274C9E #9E7927

analogous

#27879E #274C9E #3E279E

triadic

#274C9E #9E274C #4C9E27

tetradic

#274C9E #9E2787 #9E7927 #279E3E

square

#274C9E #9E2787 #9E7927 #279E3E

split-complementary

#274C9E #9E3E27 #879E27

monochromatic

#0F1D3C #1B346D #274C9E #3564CD #668AD9

Accessibility & contrast

On white

8.03

#274C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#274C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C9E

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274C9E	#FFFFFF	#000000	##FFFFFF
##274C9E	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1856A1

Deuteranopia (green-blind)

#004B9C

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274c9e;
/* rgb */ color: rgb(39, 76, 158);
/* oklch */ color: oklch(43.8% 0.140 263.4);

Tailwind

colors: {
  custom: {
    50: '#727dbb',
    500: '#274c9e',
    950: '#000000',
  },
}

SCSS

$custom: #274c9e;
$custom-light: #727dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#274c9e",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 158
  },
  "hsl": {
    "h": 221.345,
    "s": 60.406,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43791,
    "c": 0.14028,
    "h": 263.4
  },
  "luminance": 0.08069
}

Semantic roles & 50–950 ramp

primary

#274C9E

secondary

#BFA262

accent

#B244E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274C9E

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

Preview Lab → · Contrast checker → · Palette generator →