#274DA4#274DA4

#274DA4 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.5% C 0.147 H 263.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#274DA4
RGB	rgb(39, 77, 164)
HSL	hsl(222, 62%, 40%)
HSV	hsv(222, 76%, 64%)
CMYK	cmyk(76.2%, 53%, 0%, 35.7%)
CIE-LAB	lab(34.84, 18.39, -50.90)
CIE-LCH	lch(34.84, 54.12, 289.86°)
OKLab	oklab(44.47% -0.0162 -0.1466)
OKLCH	oklch(44.47% 0.147 263.7)
XYZ	xyz(10.1890, 8.4183, 36.2027)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274DA4 #A47E27

analogous

#278CA4 #274DA4 #4027A4

triadic

#274DA4 #A4274D #4DA427

tetradic

#274DA4 #A4278C #A47E27 #27A440

square

#274DA4 #A4278C #A47E27 #27A440

split-complementary

#274DA4 #A44027 #8CA427

monochromatic

#0F1F41 #1B3673 #274DA4 #3866D0 #6A8CDC

Accessibility & contrast

On white

7.82

#274DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#274DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274DA4

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274DA4	#FFFFFF	#000000	##FFFFFF
##274DA4	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1058A7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274da4;
/* rgb */ color: rgb(39, 77, 164);
/* oklch */ color: oklch(44.5% 0.147 263.7);

Tailwind

colors: {
  custom: {
    50: '#747ec0',
    500: '#274da4',
    950: '#000000',
  },
}

SCSS

$custom: #274da4;
$custom-light: #747ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#274da4",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 164
  },
  "hsl": {
    "h": 221.76,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44472,
    "c": 0.14744,
    "h": 263.7
  },
  "luminance": 0.08419
}

Semantic roles & 50–950 ramp

primary

#274DA4

secondary

#C2A665

accent

#B443E5

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274DA4

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

Preview Lab → · Contrast checker → · Palette generator →