#274B99#274B99

#274B99 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.134 H 263.3°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#274B99
RGB	rgb(39, 75, 153)
HSL	hsl(221, 59%, 38%)
HSV	hsv(221, 75%, 60%)
CMYK	cmyk(74.5%, 51%, 0%, 40%)
CIE-LAB	lab(33.48, 15.45, -46.47)
CIE-LCH	lch(33.48, 48.97, 288.39°)
OKLab	oklab(43.19% -0.0158 -0.1335)
OKLCH	oklch(43.19% 0.134 263.3)
XYZ	xyz(9.1005, 7.7624, 31.1495)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B99 #997527

analogous

#278499 #274B99 #3C2799

triadic

#274B99 #99274B #4B9927

tetradic

#274B99 #992784 #997527 #27993C

square

#274B99 #992784 #997527 #27993C

split-complementary

#274B99 #993C27 #849927

monochromatic

#0E1B37 #1B3368 #274B99 #3363CA #6388D7

Accessibility & contrast

On white

8.23

#274B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#274B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B99

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B99	#FFFFFF	#000000	##FFFFFF
##274B99	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C549C

Deuteranopia (green-blind)

#004A97

Tritanopia (blue-blind)

#005E6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274b99;
/* rgb */ color: rgb(39, 75, 153);
/* oklch */ color: oklch(43.2% 0.134 263.3);

Tailwind

colors: {
  custom: {
    50: '#717cb8',
    500: '#274b99',
    950: '#000000',
  },
}

SCSS

$custom: #274b99;
$custom-light: #717cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#274b99",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 153
  },
  "hsl": {
    "h": 221.053,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4319,
    "c": 0.13447,
    "h": 263.3
  },
  "luminance": 0.07763
}

Semantic roles & 50–950 ramp

primary

#274B99

secondary

#BD9F5F

accent

#B145E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #274B99

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

Preview Lab → · Contrast checker → · Palette generator →