#274EA4#274EA4

#274EA4 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.146 H 263.3°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#274EA4
RGB	rgb(39, 78, 164)
HSL	hsl(221, 62%, 40%)
HSV	hsv(221, 76%, 64%)
CMYK	cmyk(76.2%, 52.4%, 0%, 35.7%)
CIE-LAB	lab(35.12, 17.72, -50.44)
CIE-LCH	lch(35.12, 53.47, 289.35°)
OKLab	oklab(44.69% -0.017 -0.1452)
OKLCH	oklch(44.69% 0.146 263.3)
XYZ	xyz(10.2595, 8.5593, 36.2262)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274EA4 #A47D27

analogous

#278DA4 #274EA4 #3F27A4

triadic

#274EA4 #A4274E #4EA427

tetradic

#274EA4 #A4278D #A47D27 #27A43F

square

#274EA4 #A4278D #A47D27 #27A43F

split-complementary

#274EA4 #A43F27 #8DA427

monochromatic

#0F1F41 #1B3673 #274EA4 #3868D0 #6A8DDC

Accessibility & contrast

On white

7.74

#274EA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#274EA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274EA4

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274EA4	#FFFFFF	#000000	##FFFFFF
##274EA4	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1459A7

Deuteranopia (green-blind)

#004DA2

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274ea4;
/* rgb */ color: rgb(39, 78, 164);
/* oklch */ color: oklch(44.7% 0.146 263.3);

Tailwind

colors: {
  custom: {
    50: '#747fc0',
    500: '#274ea4',
    950: '#000000',
  },
}

SCSS

$custom: #274ea4;
$custom-light: #747fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#274ea4",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 164
  },
  "hsl": {
    "h": 221.28,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44687,
    "c": 0.14617,
    "h": 263.3
  },
  "luminance": 0.0856
}

Semantic roles & 50–950 ramp

primary

#274EA4

secondary

#C2A565

accent

#B243E5

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274EA4

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

Preview Lab → · Contrast checker → · Palette generator →