#2751B2#2751B2

#2751B2 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.4% C 0.162 H 263.6°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#2751B2
RGB	rgb(39, 81, 178)
HSL	hsl(222, 64%, 43%)
HSV	hsv(222, 78%, 70%)
CMYK	cmyk(78.1%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(36.98, 21.14, -55.75)
CIE-LCH	lch(36.98, 59.63, 290.76°)
OKLab	oklab(46.43% -0.0179 -0.1607)
OKLCH	oklch(46.43% 0.162 263.6)
XYZ	xyz(11.8121, 9.5292, 43.3276)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2751B2 #B28827

analogous

#2796B2 #2751B2 #4327B2

triadic

#2751B2 #B22751 #51B227

tetradic

#2751B2 #B22796 #B28827 #27B243

square

#2751B2 #B22796 #B28827 #27B243

split-complementary

#2751B2 #B24327 #96B227

monochromatic

#11234E #1C3A80 #2751B2 #416ED5 #7394E0

Accessibility & contrast

On white

7.23

#2751B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2751B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2751B2

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2751B2	#FFFFFF	#000000	##FFFFFF
##2751B2	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2751b2;
/* rgb */ color: rgb(39, 81, 178);
/* oklch */ color: oklch(46.4% 0.162 263.6);

Tailwind

colors: {
  custom: {
    50: '#7781ca',
    500: '#2751b2',
    950: '#000000',
  },
}

SCSS

$custom: #2751b2;
$custom-light: #7781ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2751b2",
  "rgb": {
    "r": 39,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 221.871,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.46425,
    "c": 0.16174,
    "h": 263.6
  },
  "luminance": 0.09531
}

Semantic roles & 50–950 ramp

primary

#2751B2

secondary

#C8AC6D

accent

#B541E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2751B2

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

Preview Lab → · Contrast checker → · Palette generator →