#274CA4#274CA4

#274CA4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.149 H 264.1°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#274CA4
RGB	rgb(39, 76, 164)
HSL	hsl(222, 62%, 40%)
HSV	hsv(222, 76%, 64%)
CMYK	cmyk(76.2%, 53.7%, 0%, 35.7%)
CIE-LAB	lab(34.56, 19.06, -51.36)
CIE-LCH	lch(34.56, 54.78, 290.36°)
OKLab	oklab(44.26% -0.0154 -0.1479)
OKLCH	oklch(44.26% 0.149 264.1)
XYZ	xyz(10.1196, 8.2794, 36.1795)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274CA4 #A47F27

analogous

#278BA4 #274CA4 #4127A4

triadic

#274CA4 #A4274C #4CA427

tetradic

#274CA4 #A4278B #A47F27 #27A441

square

#274CA4 #A4278B #A47F27 #27A441

split-complementary

#274CA4 #A44127 #8BA427

monochromatic

#0F1E41 #1B3573 #274CA4 #3865D0 #6A8CDC

Accessibility & contrast

On white

7.91

#274CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#274CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274CA4

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274CA4	#FFFFFF	#000000	##FFFFFF
##274CA4	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A57A7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #274ca4;
/* rgb */ color: rgb(39, 76, 164);
/* oklch */ color: oklch(44.3% 0.149 264.1);

Tailwind

colors: {
  custom: {
    50: '#747dc0',
    500: '#274ca4',
    950: '#000000',
  },
}

SCSS

$custom: #274ca4;
$custom-light: #747dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#274ca4",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 164
  },
  "hsl": {
    "h": 222.24,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44259,
    "c": 0.1487,
    "h": 264.1
  },
  "luminance": 0.08281
}

Semantic roles & 50–950 ramp

primary

#274CA4

secondary

#C2A665

accent

#B543E5

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274CA4

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

Preview Lab → · Contrast checker → · Palette generator →