#274A8F#274A8F

#274A8F is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.2% C 0.121 H 262.3°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#274A8F
RGB	rgb(39, 74, 143)
HSL	hsl(220, 57%, 36%)
HSV	hsv(220, 73%, 56%)
CMYK	cmyk(72.7%, 48.3%, 0%, 43.9%)
CIE-LAB	lab(32.51, 12.23, -41.96)
CIE-LCH	lch(32.51, 43.70, 286.25°)
OKLab	oklab(42.22% -0.0163 -0.1203)
OKLCH	oklch(42.22% 0.121 262.3)
XYZ	xyz(8.2416, 7.3112, 26.9581)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274A8F #8F6C27

analogous

#277E8F #274A8F #38278F

triadic

#274A8F #8F274A #4A8F27

tetradic

#274A8F #8F277E #8F6C27 #278F38

square

#274A8F #8F277E #8F6C27 #278F38

split-complementary

#274A8F #8F3827 #7E8F27

monochromatic

#0D182F #1A315F #274A8F #3463BF #5D85D3

Accessibility & contrast

On white

8.53

#274A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#274A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274A8F

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274A8F	#FFFFFF	#000000	##FFFFFF
##274A8F	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255292

Deuteranopia (green-blind)

#0C488E

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #274a8f;
/* rgb */ color: rgb(39, 74, 143);
/* oklch */ color: oklch(42.2% 0.121 262.3);

Tailwind

colors: {
  custom: {
    50: '#6f7cb0',
    500: '#274a8f',
    950: '#000000',
  },
}

SCSS

$custom: #274a8f;
$custom-light: #6f7cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#274a8f",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 143
  },
  "hsl": {
    "h": 219.808,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42222,
    "c": 0.12138,
    "h": 262.3
  },
  "luminance": 0.07312
}

Semantic roles & 50–950 ramp

primary

#274A8F

secondary

#B8985A

accent

#AD47E0

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274A8F

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

Preview Lab → · Contrast checker → · Palette generator →