#274E9F#274E9F

#274E9F is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.3% C 0.139 H 262.7°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#274E9F
RGB	rgb(39, 78, 159)
HSL	hsl(221, 61%, 39%)
HSV	hsv(221, 75%, 62%)
CMYK	cmyk(75.5%, 50.9%, 0%, 37.6%)
CIE-LAB	lab(34.77, 15.77, -48.02)
CIE-LCH	lch(34.77, 50.54, 288.18°)
OKLab	oklab(44.3% -0.0176 -0.138)
OKLCH	oklch(44.3% 0.139 262.7)
XYZ	xyz(9.8169, 8.3822, 33.8947)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274E9F #9F7827

analogous

#278A9F #274E9F #3C279F

triadic

#274E9F #9F274E #4E9F27

tetradic

#274E9F #9F278A #9F7827 #279F3C

square

#274E9F #9F278A #9F7827 #279F3C

split-complementary

#274E9F #9F3C27 #8A9F27

monochromatic

#0F1E3D #1B366E #274E9F #3667CE #678CDA

Accessibility & contrast

On white

7.85

#274E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#274E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274E9F

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274E9F	#FFFFFF	#000000	##FFFFFF
##274E9F	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D58A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274e9f;
/* rgb */ color: rgb(39, 78, 159);
/* oklch */ color: oklch(44.3% 0.139 262.7);

Tailwind

colors: {
  custom: {
    50: '#727fbc',
    500: '#274e9f',
    950: '#000000',
  },
}

SCSS

$custom: #274e9f;
$custom-light: #727fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#274e9f",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 159
  },
  "hsl": {
    "h": 220.5,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.44303,
    "c": 0.13915,
    "h": 262.7
  },
  "luminance": 0.08383
}

Semantic roles & 50–950 ramp

primary

#274E9F

secondary

#C0A162

accent

#B044E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274E9F

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

Preview Lab → · Contrast checker → · Palette generator →