#274D99#274D99

#274D99 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.6% C 0.132 H 262.4°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#274D99
RGB	rgb(39, 77, 153)
HSL	hsl(220, 59%, 38%)
HSV	hsv(220, 75%, 60%)
CMYK	cmyk(74.5%, 49.7%, 0%, 40%)
CIE-LAB	lab(34.06, 14.11, -45.53)
CIE-LCH	lch(34.06, 47.67, 287.21°)
OKLab	oklab(43.63% -0.0175 -0.1307)
OKLCH	oklch(43.63% 0.132 262.4)
XYZ	xyz(9.2383, 8.0380, 31.1954)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274D99 #997327

analogous

#278699 #274D99 #3A2799

triadic

#274D99 #99274D #4D9927

tetradic

#274D99 #992786 #997327 #27993A

square

#274D99 #992786 #997327 #27993A

split-complementary

#274D99 #993A27 #869927

monochromatic

#0E1C37 #1B3468 #274D99 #3366CA #638AD7

Accessibility & contrast

On white

8.05

#274D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#274D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D99

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274D99	#FFFFFF	#000000	##FFFFFF
##274D99	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22569C

Deuteranopia (green-blind)

#004B97

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274d99;
/* rgb */ color: rgb(39, 77, 153);
/* oklch */ color: oklch(43.6% 0.132 262.4);

Tailwind

colors: {
  custom: {
    50: '#717eb8',
    500: '#274d99',
    950: '#000000',
  },
}

SCSS

$custom: #274d99;
$custom-light: #717eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#274d99",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 153
  },
  "hsl": {
    "h": 220,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.43632,
    "c": 0.13192,
    "h": 262.4
  },
  "luminance": 0.08039
}

Semantic roles & 50–950 ramp

primary

#274D99

secondary

#BD9E5F

accent

#AE45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #274D99

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

Preview Lab → · Contrast checker → · Palette generator →