#274C9F#274C9F

#274C9F is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.142 H 263.6°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#274C9F
RGB	rgb(39, 76, 159)
HSL	hsl(222, 61%, 39%)
HSV	hsv(222, 75%, 62%)
CMYK	cmyk(75.5%, 52.2%, 0%, 37.6%)
CIE-LAB	lab(34.20, 17.11, -48.94)
CIE-LCH	lch(34.20, 51.85, 289.27°)
OKLab	oklab(43.87% -0.0159 -0.1408)
OKLCH	oklch(43.87% 0.142 263.6)
XYZ	xyz(9.6769, 8.1024, 33.8481)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274C9F #9F7A27

analogous

#27889F #274C9F #3E279F

triadic

#274C9F #9F274C #4C9F27

tetradic

#274C9F #9F2788 #9F7A27 #279F3E

square

#274C9F #9F2788 #9F7A27 #279F3E

split-complementary

#274C9F #9F3E27 #889F27

monochromatic

#0F1D3D #1B356E #274C9F #3664CE #678ADA

Accessibility & contrast

On white

8.01

#274C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#274C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C9F

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274C9F	#FFFFFF	#000000	##FFFFFF
##274C9F	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1656A2

Deuteranopia (green-blind)

#004B9D

Tritanopia (blue-blind)

#00606E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274c9f;
/* rgb */ color: rgb(39, 76, 159);
/* oklch */ color: oklch(43.9% 0.142 263.6);

Tailwind

colors: {
  custom: {
    50: '#737dbc',
    500: '#274c9f',
    950: '#000000',
  },
}

SCSS

$custom: #274c9f;
$custom-light: #737dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#274c9f",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 159
  },
  "hsl": {
    "h": 221.5,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43868,
    "c": 0.14168,
    "h": 263.6
  },
  "luminance": 0.08103
}

Semantic roles & 50–950 ramp

primary

#274C9F

secondary

#C0A362

accent

#B344E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274C9F

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

Preview Lab → · Contrast checker → · Palette generator →