#274AA3#274AA3

#274AA3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.150 H 264.7°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#274AA3
RGB	rgb(39, 74, 163)
HSL	hsl(223, 61%, 40%)
HSV	hsv(223, 76%, 64%)
CMYK	cmyk(76.1%, 54.6%, 0%, 36.1%)
CIE-LAB	lab(33.92, 20.01, -51.78)
CIE-LCH	lch(33.92, 55.52, 291.13°)
OKLab	oklab(43.76% -0.0139 -0.1492)
OKLCH	oklch(43.76% 0.15 264.7)
XYZ	xyz(9.8940, 7.9721, 35.6606)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274AA3 #A38027

analogous

#2788A3 #274AA3 #4227A3

triadic

#274AA3 #A3274A #4AA327

tetradic

#274AA3 #A32788 #A38027 #27A342

square

#274AA3 #A32788 #A38027 #27A342

split-complementary

#274AA3 #A34227 #88A327

monochromatic

#0F1D40 #1B3472 #274AA3 #3863CF #6989DB

Accessibility & contrast

On white

8.09

#274AA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#274AA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274AA3

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274AA3	#FFFFFF	#000000	##FFFFFF
##274AA3	1.00	8.09	2.59	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A6

Deuteranopia (green-blind)

#004AA1

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274aa3;
/* rgb */ color: rgb(39, 74, 163);
/* oklch */ color: oklch(43.8% 0.150 264.7);

Tailwind

colors: {
  custom: {
    50: '#747cbf',
    500: '#274aa3',
    950: '#000000',
  },
}

SCSS

$custom: #274aa3;
$custom-light: #747cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#274aa3",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 163
  },
  "hsl": {
    "h": 223.065,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43756,
    "c": 0.14983,
    "h": 264.7
  },
  "luminance": 0.07973
}

Semantic roles & 50–950 ramp

primary

#274AA3

secondary

#C1A764

accent

#B743E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274AA3

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

Preview Lab → · Contrast checker → · Palette generator →