#274A99#274A99

#274A99 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.0% C 0.136 H 263.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#274A99
RGB	rgb(39, 74, 153)
HSL	hsl(222, 59%, 38%)
HSV	hsv(222, 75%, 60%)
CMYK	cmyk(74.5%, 51.6%, 0%, 40%)
CIE-LAB	lab(33.20, 16.13, -46.93)
CIE-LCH	lch(33.20, 49.63, 288.96°)
OKLab	oklab(42.97% -0.0149 -0.1349)
OKLCH	oklch(42.97% 0.136 263.7)
XYZ	xyz(9.0332, 7.6278, 31.1271)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274A99 #997627

analogous

#278399 #274A99 #3D2799

triadic

#274A99 #99274A #4A9927

tetradic

#274A99 #992783 #997627 #27993D

square

#274A99 #992783 #997627 #27993D

split-complementary

#274A99 #993D27 #839927

monochromatic

#0E1B37 #1B3268 #274A99 #3362CA #6387D7

Accessibility & contrast

On white

8.31

#274A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#274A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274A99

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274A99	#FFFFFF	#000000	##FFFFFF
##274A99	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19549C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #274a99;
/* rgb */ color: rgb(39, 74, 153);
/* oklch */ color: oklch(43.0% 0.136 263.7);

Tailwind

colors: {
  custom: {
    50: '#717cb8',
    500: '#274a99',
    950: '#000000',
  },
}

SCSS

$custom: #274a99;
$custom-light: #717cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#274a99",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 153
  },
  "hsl": {
    "h": 221.579,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42971,
    "c": 0.13574,
    "h": 263.7
  },
  "luminance": 0.07629
}

Semantic roles & 50–950 ramp

primary

#274A99

secondary

#BDA05F

accent

#B245E3

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #274A99

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

Preview Lab → · Contrast checker → · Palette generator →