#274CB4#274CB4

#274CB4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.6% C 0.171 H 265.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#274CB4
RGB	rgb(39, 76, 180)
HSL	hsl(224, 64%, 43%)
HSV	hsv(224, 78%, 71%)
CMYK	cmyk(78.3%, 57.8%, 0%, 29.4%)
CIE-LAB	lab(35.78, 25.23, -58.89)
CIE-LCH	lch(35.78, 64.07, 293.19°)
OKLab	oklab(45.57% -0.0142 -0.1701)
OKLCH	oklch(45.57% 0.171 265.2)
XYZ	xyz(11.6564, 8.8942, 44.2736)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274CB4 #B48F27

analogous

#2793B4 #274CB4 #4827B4

triadic

#274CB4 #B4274C #4CB427

tetradic

#274CB4 #B42793 #B48F27 #27B448

square

#274CB4 #B42793 #B48F27 #27B448

split-complementary

#274CB4 #B44827 #93B427

monochromatic

#11224F #1C3782 #274CB4 #4269D6 #7491E1

Accessibility & contrast

On white

7.56

#274CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#274CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274CB4

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274CB4	#FFFFFF	#000000	##FFFFFF
##274CB4	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #274cb4;
/* rgb */ color: rgb(39, 76, 180);
/* oklch */ color: oklch(45.6% 0.171 265.2);

Tailwind

colors: {
  custom: {
    50: '#787dcb',
    500: '#274cb4',
    950: '#000000',
  },
}

SCSS

$custom: #274cb4;
$custom-light: #787dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#274cb4",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 180
  },
  "hsl": {
    "h": 224.255,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45565,
    "c": 0.17065,
    "h": 265.2
  },
  "luminance": 0.08896
}

Semantic roles & 50–950 ramp

primary

#274CB4

secondary

#C8B16F

accent

#BC40E7

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274CB4

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

Preview Lab → · Contrast checker → · Palette generator →