#274E9B#274E9B

#274E9B is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.0% C 0.134 H 262.2°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#274E9B
RGB	rgb(39, 78, 155)
HSL	hsl(220, 60%, 38%)
HSV	hsv(220, 75%, 61%)
CMYK	cmyk(74.8%, 49.7%, 0%, 39.2%)
CIE-LAB	lab(34.49, 14.21, -46.05)
CIE-LCH	lch(34.49, 48.20, 287.15°)
OKLab	oklab(44% -0.0181 -0.1323)
OKLCH	oklch(44% 0.134 262.2)
XYZ	xyz(9.4754, 8.2456, 32.0962)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274E9B #9B7427

analogous

#27889B #274E9B #3A279B

triadic

#274E9B #9B274E #4E9B27

tetradic

#274E9B #9B2788 #9B7427 #279B3A

square

#274E9B #9B2788 #9B7427 #279B3A

split-complementary

#274E9B #9B3A27 #889B27

monochromatic

#0E1D39 #1B356A #274E9B #3367CC #648BD8

Accessibility & contrast

On white

7.93

#274E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#274E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274E9B

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274E9B	#FFFFFF	#000000	##FFFFFF
##274E9B	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22579E

Deuteranopia (green-blind)

#004C99

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #274e9b;
/* rgb */ color: rgb(39, 78, 155);
/* oklch */ color: oklch(44.0% 0.134 262.2);

Tailwind

colors: {
  custom: {
    50: '#727fb9',
    500: '#274e9b',
    950: '#000000',
  },
}

SCSS

$custom: #274e9b;
$custom-light: #727fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#274e9b",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 155
  },
  "hsl": {
    "h": 219.828,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.44003,
    "c": 0.1335,
    "h": 262.2
  },
  "luminance": 0.08247
}

Semantic roles & 50–950 ramp

primary

#274E9B

secondary

#BE9E60

accent

#AE45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #274E9B

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

Preview Lab → · Contrast checker → · Palette generator →