#274AA4#274AA4

#274AA4 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.151 H 264.8°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#274AA4
RGB	rgb(39, 74, 164)
HSL	hsl(223, 62%, 40%)
HSV	hsv(223, 76%, 64%)
CMYK	cmyk(76.2%, 54.9%, 0%, 35.7%)
CIE-LAB	lab(34.00, 20.40, -52.26)
CIE-LCH	lch(34.00, 56.10, 291.32°)
OKLab	oklab(43.84% -0.0138 -0.1506)
OKLCH	oklch(43.84% 0.151 264.8)
XYZ	xyz(9.9840, 8.0081, 36.1343)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274AA4 #A48127

analogous

#2789A4 #274AA4 #4327A4

triadic

#274AA4 #A4274A #4AA427

tetradic

#274AA4 #A42789 #A48127 #27A443

square

#274AA4 #A42789 #A48127 #27A443

split-complementary

#274AA4 #A44327 #89A427

monochromatic

#0F1D41 #1B3473 #274AA4 #3863D0 #6A8ADC

Accessibility & contrast

On white

8.07

#274AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#274AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274AA4

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274AA4	#FFFFFF	#000000	##FFFFFF
##274AA4	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274aa4;
/* rgb */ color: rgb(39, 74, 164);
/* oklch */ color: oklch(43.8% 0.151 264.8);

Tailwind

colors: {
  custom: {
    50: '#747cc0',
    500: '#274aa4',
    950: '#000000',
  },
}

SCSS

$custom: #274aa4;
$custom-light: #747cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#274aa4",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 164
  },
  "hsl": {
    "h": 223.2,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43836,
    "c": 0.15123,
    "h": 264.8
  },
  "luminance": 0.08009
}

Semantic roles & 50–950 ramp

primary

#274AA4

secondary

#C2A865

accent

#B743E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274AA4

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

Preview Lab → · Contrast checker → · Palette generator →