#274BB0#274BB0

#274BB0 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.166 H 265.3°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#274BB0
RGB	rgb(39, 75, 176)
HSL	hsl(224, 64%, 42%)
HSV	hsv(224, 78%, 69%)
CMYK	cmyk(77.8%, 57.4%, 0%, 31%)
CIE-LAB	lab(35.20, 24.36, -57.48)
CIE-LCH	lch(35.20, 62.42, 292.97°)
OKLab	oklab(45.03% -0.0137 -0.1659)
OKLCH	oklch(45.03% 0.166 265.3)
XYZ	xyz(11.1865, 8.5968, 42.1357)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274BB0 #B08C27

analogous

#278FB0 #274BB0 #4827B0

triadic

#274BB0 #B0274B #4BB027

tetradic

#274BB0 #B0278F #B08C27 #27B048

square

#274BB0 #B0278F #B08C27 #27B048

split-complementary

#274BB0 #B04827 #8FB027

monochromatic

#11204C #1C367E #274BB0 #4067D5 #728FE0

Accessibility & contrast

On white

7.72

#274BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#274BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274BB0

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274BB0	#FFFFFF	#000000	##FFFFFF
##274BB0	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B3

Deuteranopia (green-blind)

#004DAE

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274bb0;
/* rgb */ color: rgb(39, 75, 176);
/* oklch */ color: oklch(45.0% 0.166 265.3);

Tailwind

colors: {
  custom: {
    50: '#777cc8',
    500: '#274bb0',
    950: '#000000',
  },
}

SCSS

$custom: #274bb0;
$custom-light: #777cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#274bb0",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 176
  },
  "hsl": {
    "h": 224.234,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45028,
    "c": 0.16648,
    "h": 265.3
  },
  "luminance": 0.08598
}

Semantic roles & 50–950 ramp

primary

#274BB0

secondary

#C7AF6C

accent

#BB41E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274BB0

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

Preview Lab → · Contrast checker → · Palette generator →