#2750B5#2750B5

#2750B5 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.167 H 264.2°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#2750B5
RGB	rgb(39, 80, 181)
HSL	hsl(223, 65%, 43%)
HSV	hsv(223, 78%, 71%)
CMYK	cmyk(78.5%, 55.8%, 0%, 29%)
CIE-LAB	lab(36.94, 22.96, -57.60)
CIE-LCH	lch(36.94, 62.01, 291.73°)
OKLab	oklab(46.46% -0.0169 -0.1662)
OKLCH	oklch(46.46% 0.167 264.2)
XYZ	xyz(12.0429, 9.5035, 44.9067)
Luminance	0.0950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2750B5 #B58C27

analogous

#2797B5 #2750B5 #4527B5

triadic

#2750B5 #B52750 #50B527

tetradic

#2750B5 #B52797 #B58C27 #27B545

square

#2750B5 #B52797 #B58C27 #27B545

split-complementary

#2750B5 #B54527 #97B527

monochromatic

#112350 #1C3A83 #2750B5 #436DD6 #7594E1

Accessibility & contrast

On white

7.24

#2750B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#2750B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2750B5

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2750B5	#FFFFFF	#000000	##FFFFFF
##2750B5	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB8

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2750b5;
/* rgb */ color: rgb(39, 80, 181);
/* oklch */ color: oklch(46.5% 0.167 264.2);

Tailwind

colors: {
  custom: {
    50: '#7880cc',
    500: '#2750b5',
    950: '#000000',
  },
}

SCSS

$custom: #2750b5;
$custom-light: #7880cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2750b5",
  "rgb": {
    "r": 39,
    "g": 80,
    "b": 181
  },
  "hsl": {
    "h": 222.676,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4646,
    "c": 0.16706,
    "h": 264.2
  },
  "luminance": 0.09505
}

Semantic roles & 50–950 ramp

primary

#2750B5

secondary

#C9AF6F

accent

#B740E8

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2750B5

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

Preview Lab → · Contrast checker → · Palette generator →