#2751B5#2751B5

#2751B5 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.7% C 0.166 H 263.9°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#2751B5
RGB	rgb(39, 81, 181)
HSL	hsl(222, 65%, 43%)
HSV	hsv(222, 78%, 71%)
CMYK	cmyk(78.5%, 55.2%, 0%, 29%)
CIE-LAB	lab(37.21, 22.30, -57.16)
CIE-LCH	lch(37.21, 61.35, 291.31°)
OKLab	oklab(46.67% -0.0176 -0.1649)
OKLCH	oklch(46.67% 0.166 263.9)
XYZ	xyz(12.1166, 9.6510, 44.9313)
Luminance	0.0965 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2751B5 #B58B27

analogous

#2798B5 #2751B5 #4427B5

triadic

#2751B5 #B52751 #51B527

tetradic

#2751B5 #B52798 #B58B27 #27B544

square

#2751B5 #B52798 #B58B27 #27B544

split-complementary

#2751B5 #B54427 #98B527

monochromatic

#112450 #1C3A83 #2751B5 #436ED6 #7595E1

Accessibility & contrast

On white

7.17

#2751B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2751B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2751B5

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2751B5	#FFFFFF	#000000	##FFFFFF
##2751B5	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB8

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2751b5;
/* rgb */ color: rgb(39, 81, 181);
/* oklch */ color: oklch(46.7% 0.166 263.9);

Tailwind

colors: {
  custom: {
    50: '#7781cc',
    500: '#2751b5',
    950: '#000000',
  },
}

SCSS

$custom: #2751b5;
$custom-light: #7781cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2751b5",
  "rgb": {
    "r": 39,
    "g": 81,
    "b": 181
  },
  "hsl": {
    "h": 222.254,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46666,
    "c": 0.16582,
    "h": 263.9
  },
  "luminance": 0.09652
}

Semantic roles & 50–950 ramp

primary

#2751B5

secondary

#C9AE6F

accent

#B640E8

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2751B5

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

Preview Lab → · Contrast checker → · Palette generator →