#2750B4#2750B4

#2750B4 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.4% C 0.166 H 264.1°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#2750B4
RGB	rgb(39, 80, 180)
HSL	hsl(223, 64%, 43%)
HSV	hsv(223, 78%, 71%)
CMYK	cmyk(78.3%, 55.6%, 0%, 29.4%)
CIE-LAB	lab(36.86, 22.57, -57.14)
CIE-LCH	lch(36.86, 61.43, 291.56°)
OKLab	oklab(46.38% -0.017 -0.1648)
OKLCH	oklch(46.38% 0.166 264.1)
XYZ	xyz(11.9407, 9.4626, 44.3683)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2750B4 #B48B27

analogous

#2797B4 #2750B4 #4427B4

triadic

#2750B4 #B42750 #50B427

tetradic

#2750B4 #B42797 #B48B27 #27B444

square

#2750B4 #B42797 #B48B27 #27B444

split-complementary

#2750B4 #B44427 #97B427

monochromatic

#11234F #1C3A82 #2750B4 #426DD6 #7494E1

Accessibility & contrast

On white

7.26

#2750B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#2750B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2750B4

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2750B4	#FFFFFF	#000000	##FFFFFF
##2750B4	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB7

Deuteranopia (green-blind)

#0051B2

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2750b4;
/* rgb */ color: rgb(39, 80, 180);
/* oklch */ color: oklch(46.4% 0.166 264.1);

Tailwind

colors: {
  custom: {
    50: '#7780cb',
    500: '#2750b4',
    950: '#000000',
  },
}

SCSS

$custom: #2750b4;
$custom-light: #7780cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2750b4",
  "rgb": {
    "r": 39,
    "g": 80,
    "b": 180
  },
  "hsl": {
    "h": 222.553,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.46378,
    "c": 0.16571,
    "h": 264.1
  },
  "luminance": 0.09464
}

Semantic roles & 50–950 ramp

primary

#2750B4

secondary

#C8AE6F

accent

#B740E7

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2750B4

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

Preview Lab → · Contrast checker → · Palette generator →