#2750B9#2750B9

#2750B9 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.8% C 0.172 H 264.4°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#2750B9
RGB	rgb(39, 80, 185)
HSL	hsl(223, 65%, 44%)
HSV	hsv(223, 79%, 73%)
CMYK	cmyk(78.9%, 56.8%, 0%, 27.5%)
CIE-LAB	lab(37.24, 24.49, -59.46)
CIE-LCH	lch(37.24, 64.31, 292.39°)
OKLab	oklab(46.79% -0.0167 -0.1716)
OKLCH	oklch(46.79% 0.172 264.4)
XYZ	xyz(12.4592, 9.6700, 47.0994)
Luminance	0.0967 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2750B9 #B99027

analogous

#2799B9 #2750B9 #4727B9

triadic

#2750B9 #B92750 #50B927

tetradic

#2750B9 #B92799 #B99027 #27B947

square

#2750B9 #B92799 #B99027 #27B947

split-complementary

#2750B9 #B94727 #99B927

monochromatic

#122454 #1C3A86 #2750B9 #456ED8 #7896E3

Accessibility & contrast

On white

7.16

#2750B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2750B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2750B9

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2750B9	#FFFFFF	#000000	##FFFFFF
##2750B9	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBD

Deuteranopia (green-blind)

#0051B7

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2750b9;
/* rgb */ color: rgb(39, 80, 185);
/* oklch */ color: oklch(46.8% 0.172 264.4);

Tailwind

colors: {
  custom: {
    50: '#7880cf',
    500: '#2750b9',
    950: '#000000',
  },
}

SCSS

$custom: #2750b9;
$custom-light: #7880cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2750b9",
  "rgb": {
    "r": 39,
    "g": 80,
    "b": 185
  },
  "hsl": {
    "h": 223.151,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46788,
    "c": 0.17246,
    "h": 264.4
  },
  "luminance": 0.09671
}

Semantic roles & 50–950 ramp

primary

#2750B9

secondary

#CAB172

accent

#B940E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2750B9

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

Preview Lab → · Contrast checker → · Palette generator →