#2750B3#2750B3

#2750B3 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.164 H 264.0°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#2750B3
RGB	rgb(39, 80, 179)
HSL	hsl(222, 64%, 43%)
HSV	hsv(222, 78%, 70%)
CMYK	cmyk(78.2%, 55.3%, 0%, 29.8%)
CIE-LAB	lab(36.78, 22.19, -56.67)
CIE-LCH	lch(36.78, 60.86, 291.38°)
OKLab	oklab(46.3% -0.0171 -0.1635)
OKLCH	oklch(46.3% 0.164 264)
XYZ	xyz(11.8391, 9.4220, 43.8337)
Luminance	0.0942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2750B3 #B38A27

analogous

#2796B3 #2750B3 #4427B3

triadic

#2750B3 #B32750 #50B327

tetradic

#2750B3 #B32796 #B38A27 #27B344

square

#2750B3 #B32796 #B38A27 #27B344

split-complementary

#2750B3 #B34427 #96B327

monochromatic

#11234E #1C3A81 #2750B3 #416DD6 #7494E1

Accessibility & contrast

On white

7.28

#2750B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2750B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2750B3

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2750B3	#FFFFFF	#000000	##FFFFFF
##2750B3	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2750b3;
/* rgb */ color: rgb(39, 80, 179);
/* oklch */ color: oklch(46.3% 0.164 264.0);

Tailwind

colors: {
  custom: {
    50: '#7780ca',
    500: '#2750b3',
    950: '#000000',
  },
}

SCSS

$custom: #2750b3;
$custom-light: #7780ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2750b3",
  "rgb": {
    "r": 39,
    "g": 80,
    "b": 179
  },
  "hsl": {
    "h": 222.429,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.46297,
    "c": 0.16435,
    "h": 264
  },
  "luminance": 0.09423
}

Semantic roles & 50–950 ramp

primary

#2750B3

secondary

#C8AE6E

accent

#B641E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2750B3

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

Preview Lab → · Contrast checker → · Palette generator →