#2751AB#2751AB

#2751AB is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.9% C 0.152 H 263.0°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#2751AB
RGB	rgb(39, 81, 171)
HSL	hsl(221, 63%, 41%)
HSV	hsv(221, 77%, 67%)
CMYK	cmyk(77.2%, 52.6%, 0%, 32.9%)
CIE-LAB	lab(36.47, 18.43, -52.44)
CIE-LCH	lch(36.47, 55.58, 289.36°)
OKLab	oklab(45.87% -0.0186 -0.151)
OKLCH	oklch(45.87% 0.152 263)
XYZ	xyz(11.1272, 9.2552, 39.7202)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2751AB #AB8127

analogous

#2793AB #2751AB #3F27AB

triadic

#2751AB #AB2751 #51AB27

tetradic

#2751AB #AB2793 #AB8127 #27AB3F

square

#2751AB #AB2793 #AB8127 #27AB3F

split-complementary

#2751AB #AB3F27 #93AB27

monochromatic

#102247 #1C3979 #2751AB #3D6CD3 #6E92DE

Accessibility & contrast

On white

7.37

#2751AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#2751AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2751AB

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2751AB	#FFFFFF	#000000	##FFFFFF
##2751AB	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125CAE

Deuteranopia (green-blind)

#0050A9

Tritanopia (blue-blind)

#006776

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2751ab;
/* rgb */ color: rgb(39, 81, 171);
/* oklch */ color: oklch(45.9% 0.152 263.0);

Tailwind

colors: {
  custom: {
    50: '#7581c5',
    500: '#2751ab',
    950: '#000000',
  },
}

SCSS

$custom: #2751ab;
$custom-light: #7581c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2751ab",
  "rgb": {
    "r": 39,
    "g": 81,
    "b": 171
  },
  "hsl": {
    "h": 220.909,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45873,
    "c": 0.15213,
    "h": 263
  },
  "luminance": 0.09256
}

Semantic roles & 50–950 ramp

primary

#2751AB

secondary

#C5A869

accent

#B242E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2751AB

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

Preview Lab → · Contrast checker → · Palette generator →