#274FA5#274FA5

#274FA5 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 45.0% C 0.146 H 263.1°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#274FA5
RGB	rgb(39, 79, 165)
HSL	hsl(221, 62%, 40%)
HSV	hsv(221, 76%, 65%)
CMYK	cmyk(76.4%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(35.48, 17.44, -50.47)
CIE-LCH	lch(35.48, 53.40, 289.06°)
OKLab	oklab(44.98% -0.0177 -0.1452)
OKLCH	oklch(44.98% 0.146 263.1)
XYZ	xyz(10.4218, 8.7387, 36.7275)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274FA5 #A57D27

analogous

#278EA5 #274FA5 #3E27A5

triadic

#274FA5 #A5274F #4FA527

tetradic

#274FA5 #A5278E #A57D27 #27A53E

square

#274FA5 #A5278E #A57D27 #27A53E

split-complementary

#274FA5 #A53E27 #8EA527

monochromatic

#102042 #1B3774 #274FA5 #3969D0 #6A8FDC

Accessibility & contrast

On white

7.64

#274FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#274FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274FA5

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274FA5	#FFFFFF	#000000	##FFFFFF
##274FA5	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175AA8

Deuteranopia (green-blind)

#004EA3

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274fa5;
/* rgb */ color: rgb(39, 79, 165);
/* oklch */ color: oklch(45.0% 0.146 263.1);

Tailwind

colors: {
  custom: {
    50: '#747fc0',
    500: '#274fa5',
    950: '#000000',
  },
}

SCSS

$custom: #274fa5;
$custom-light: #747fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#274fa5",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 220.952,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.4498,
    "c": 0.14631,
    "h": 263.1
  },
  "luminance": 0.0874
}

Semantic roles & 50–950 ramp

primary

#274FA5

secondary

#C2A566

accent

#B143E5

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274FA5

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

Preview Lab → · Contrast checker → · Palette generator →