#274FA3#274FA3

#274FA3 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.8% C 0.144 H 262.8°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#274FA3
RGB	rgb(39, 79, 163)
HSL	hsl(221, 61%, 40%)
HSV	hsv(221, 76%, 64%)
CMYK	cmyk(76.1%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(35.33, 16.66, -49.50)
CIE-LCH	lch(35.33, 52.23, 288.60°)
OKLab	oklab(44.83% -0.0179 -0.1424)
OKLCH	oklch(44.83% 0.144 262.8)
XYZ	xyz(10.2412, 8.6665, 35.7763)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274FA3 #A37B27

analogous

#278DA3 #274FA3 #3D27A3

triadic

#274FA3 #A3274F #4FA327

tetradic

#274FA3 #A3278D #A37B27 #27A33D

square

#274FA3 #A3278D #A37B27 #27A33D

split-complementary

#274FA3 #A33D27 #8DA327

monochromatic

#0F1F40 #1B3772 #274FA3 #3869CF #698EDB

Accessibility & contrast

On white

7.68

#274FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#274FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274FA3

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274FA3	#FFFFFF	#000000	##FFFFFF
##274FA3	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A59A6

Deuteranopia (green-blind)

#004EA1

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274fa3;
/* rgb */ color: rgb(39, 79, 163);
/* oklch */ color: oklch(44.8% 0.144 262.8);

Tailwind

colors: {
  custom: {
    50: '#737fbf',
    500: '#274fa3',
    950: '#000000',
  },
}

SCSS

$custom: #274fa3;
$custom-light: #737fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#274fa3",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 220.645,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44826,
    "c": 0.14351,
    "h": 262.8
  },
  "luminance": 0.08668
}

Semantic roles & 50–950 ramp

primary

#274FA3

secondary

#C1A364

accent

#B043E4

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274FA3

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

Preview Lab → · Contrast checker → · Palette generator →