#274DA0#274DA0

#274DA0 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.2% C 0.142 H 263.3°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#274DA0
RGB	rgb(39, 77, 160)
HSL	hsl(221, 61%, 39%)
HSV	hsv(221, 76%, 63%)
CMYK	cmyk(75.6%, 51.9%, 0%, 37.3%)
CIE-LAB	lab(34.55, 16.83, -48.97)
CIE-LCH	lch(34.55, 51.78, 288.97°)
OKLab	oklab(44.16% -0.0166 -0.1408)
OKLCH	oklch(44.16% 0.142 263.3)
XYZ	xyz(9.8335, 8.2761, 34.3301)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274DA0 #A07A27

analogous

#278AA0 #274DA0 #3E27A0

triadic

#274DA0 #A0274D #4DA027

tetradic

#274DA0 #A0278A #A07A27 #27A03E

square

#274DA0 #A0278A #A07A27 #27A03E

split-complementary

#274DA0 #A03E27 #8AA027

monochromatic

#0F1E3E #1B356F #274DA0 #3666CE #678BDA

Accessibility & contrast

On white

7.91

#274DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#274DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274DA0

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274DA0	#FFFFFF	#000000	##FFFFFF
##274DA0	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)

#1857A3

Deuteranopia (green-blind)

#004C9E

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #274da0;
/* rgb */ color: rgb(39, 77, 160);
/* oklch */ color: oklch(44.2% 0.142 263.3);

Tailwind

colors: {
  custom: {
    50: '#737ebd',
    500: '#274da0',
    950: '#000000',
  },
}

SCSS

$custom: #274da0;
$custom-light: #737ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#274da0",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 160
  },
  "hsl": {
    "h": 221.157,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.44162,
    "c": 0.14183,
    "h": 263.3
  },
  "luminance": 0.08277
}

Semantic roles & 50–950 ramp

primary

#274DA0

secondary

#C0A363

accent

#B244E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274DA0

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

Preview Lab → · Contrast checker → · Palette generator →