#274DB2#274DB2

#274DB2 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.167 H 264.8°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#274DB2
RGB	rgb(39, 77, 178)
HSL	hsl(224, 64%, 43%)
HSV	hsv(224, 78%, 70%)
CMYK	cmyk(78.1%, 56.7%, 0%, 30.2%)
CIE-LAB	lab(35.89, 23.80, -57.53)
CIE-LCH	lch(35.89, 62.26, 292.47°)
OKLab	oklab(45.6% -0.015 -0.166)
OKLCH	oklch(45.6% 0.167 264.8)
XYZ	xyz(11.5236, 8.9521, 43.2314)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274DB2 #B28C27

analogous

#2793B2 #274DB2 #4627B2

triadic

#274DB2 #B2274D #4DB227

tetradic

#274DB2 #B22793 #B28C27 #27B246

square

#274DB2 #B22793 #B28C27 #27B246

split-complementary

#274DB2 #B24627 #93B227

monochromatic

#11224E #1C3780 #274DB2 #4169D5 #7391E0

Accessibility & contrast

On white

7.53

#274DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#274DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274DB2

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274DB2	#FFFFFF	#000000	##FFFFFF
##274DB2	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB5

Deuteranopia (green-blind)

#004EB0

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #274db2;
/* rgb */ color: rgb(39, 77, 178);
/* oklch */ color: oklch(45.6% 0.167 264.8);

Tailwind

colors: {
  custom: {
    50: '#777eca',
    500: '#274db2',
    950: '#000000',
  },
}

SCSS

$custom: #274db2;
$custom-light: #777eca;
$custom-dark: #000000;

JSON

{
  "hex": "#274db2",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 178
  },
  "hsl": {
    "h": 223.597,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.456,
    "c": 0.16671,
    "h": 264.8
  },
  "luminance": 0.08953
}

Semantic roles & 50–950 ramp

primary

#274DB2

secondary

#C8AF6D

accent

#BA41E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274DB2

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

Preview Lab → · Contrast checker → · Palette generator →