#274FB9#274FB9

#274FB9 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.6% C 0.174 H 264.7°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#274FB9
RGB	rgb(39, 79, 185)
HSL	hsl(224, 65%, 44%)
HSV	hsv(224, 79%, 73%)
CMYK	cmyk(78.9%, 57.3%, 0%, 27.5%)
CIE-LAB	lab(36.98, 25.16, -59.89)
CIE-LCH	lch(36.98, 64.96, 292.78°)
OKLab	oklab(46.59% -0.016 -0.1729)
OKLCH	oklch(46.59% 0.174 264.7)
XYZ	xyz(12.3865, 9.5246, 47.0752)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274FB9 #B99127

analogous

#2798B9 #274FB9 #4827B9

triadic

#274FB9 #B9274F #4FB927

tetradic

#274FB9 #B92798 #B99127 #27B948

square

#274FB9 #B92798 #B99127 #27B948

split-complementary

#274FB9 #B94827 #98B927

monochromatic

#122454 #1C3986 #274FB9 #456DD8 #7895E3

Accessibility & contrast

On white

7.23

#274FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#274FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274FB9

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274FB9	#FFFFFF	#000000	##FFFFFF
##274FB9	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBD

Deuteranopia (green-blind)

#0051B7

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #274fb9;
/* rgb */ color: rgb(39, 79, 185);
/* oklch */ color: oklch(46.6% 0.174 264.7);

Tailwind

colors: {
  custom: {
    50: '#797fcf',
    500: '#274fb9',
    950: '#000000',
  },
}

SCSS

$custom: #274fb9;
$custom-light: #797fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#274fb9",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 185
  },
  "hsl": {
    "h": 223.562,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46586,
    "c": 0.17369,
    "h": 264.7
  },
  "luminance": 0.09526
}

Semantic roles & 50–950 ramp

primary

#274FB9

secondary

#CAB272

accent

#BA40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #274FB9

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

Preview Lab → · Contrast checker → · Palette generator →