#274A9F#274A9F

#274A9F is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.4% C 0.144 H 264.3°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#274A9F
RGB	rgb(39, 74, 159)
HSL	hsl(223, 61%, 39%)
HSV	hsv(223, 75%, 62%)
CMYK	cmyk(75.5%, 53.5%, 0%, 37.6%)
CIE-LAB	lab(33.63, 18.46, -49.86)
CIE-LCH	lch(33.63, 53.16, 290.32°)
OKLab	oklab(43.44% -0.0142 -0.1435)
OKLCH	oklch(43.44% 0.144 264.3)
XYZ	xyz(9.5413, 7.8311, 33.8029)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274A9F #9F7C27

analogous

#27869F #274A9F #40279F

triadic

#274A9F #9F274A #4A9F27

tetradic

#274A9F #9F2786 #9F7C27 #279F40

square

#274A9F #9F2786 #9F7C27 #279F40

split-complementary

#274A9F #9F4027 #869F27

monochromatic

#0F1C3D #1B336E #274A9F #3662CE #6788DA

Accessibility & contrast

On white

8.18

#274A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#274A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274A9F

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274A9F	#FFFFFF	#000000	##FFFFFF
##274A9F	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D55A2

Deuteranopia (green-blind)

#004A9D

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274a9f;
/* rgb */ color: rgb(39, 74, 159);
/* oklch */ color: oklch(43.4% 0.144 264.3);

Tailwind

colors: {
  custom: {
    50: '#737cbc',
    500: '#274a9f',
    950: '#000000',
  },
}

SCSS

$custom: #274a9f;
$custom-light: #737cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#274a9f",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 159
  },
  "hsl": {
    "h": 222.5,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43437,
    "c": 0.14424,
    "h": 264.3
  },
  "luminance": 0.07832
}

Semantic roles & 50–950 ramp

primary

#274A9F

secondary

#C0A462

accent

#B544E4

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274A9F

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

Preview Lab → · Contrast checker → · Palette generator →