#2750B0#2750B0

#2750B0 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.1% C 0.160 H 263.8°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#2750B0
RGB	rgb(39, 80, 176)
HSL	hsl(222, 64%, 42%)
HSV	hsv(222, 78%, 69%)
CMYK	cmyk(77.8%, 54.5%, 0%, 31%)
CIE-LAB	lab(36.56, 21.03, -55.26)
CIE-LCH	lch(36.56, 59.13, 290.84°)
OKLab	oklab(46.06% -0.0173 -0.1593)
OKLCH	oklch(46.06% 0.16 263.8)
XYZ	xyz(11.5390, 9.3019, 42.2532)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2750B0 #B08727

analogous

#2795B0 #2750B0 #4327B0

triadic

#2750B0 #B02750 #50B027

tetradic

#2750B0 #B02795 #B08727 #27B043

square

#2750B0 #B02795 #B08727 #27B043

split-complementary

#2750B0 #B04327 #95B027

monochromatic

#11224C #1C397E #2750B0 #406CD5 #7293E0

Accessibility & contrast

On white

7.34

#2750B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2750B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2750B0

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2750B0	#FFFFFF	#000000	##FFFFFF
##2750B0	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB3

Deuteranopia (green-blind)

#0050AE

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2750b0;
/* rgb */ color: rgb(39, 80, 176);
/* oklch */ color: oklch(46.1% 0.160 263.8);

Tailwind

colors: {
  custom: {
    50: '#7680c8',
    500: '#2750b0',
    950: '#000000',
  },
}

SCSS

$custom: #2750b0;
$custom-light: #7680c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2750b0",
  "rgb": {
    "r": 39,
    "g": 80,
    "b": 176
  },
  "hsl": {
    "h": 222.044,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46056,
    "c": 0.16026,
    "h": 263.8
  },
  "luminance": 0.09303
}

Semantic roles & 50–950 ramp

primary

#2750B0

secondary

#C7AC6C

accent

#B541E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2750B0

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

Preview Lab → · Contrast checker → · Palette generator →