#2B51B6#2B51B6

#2B51B6 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.9% C 0.166 H 265.0°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B51B6
RGB	rgb(43, 81, 182)
HSL	hsl(224, 62%, 44%)
HSV	hsv(224, 76%, 71%)
CMYK	cmyk(76.4%, 55.5%, 0%, 28.6%)
CIE-LAB	lab(37.43, 23.13, -57.38)
CIE-LCH	lch(37.43, 61.86, 291.95°)
OKLab	oklab(46.9% -0.0145 -0.1655)
OKLCH	oklch(46.9% 0.166 265)
XYZ	xyz(12.3792, 9.7745, 45.4811)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B51B6 #B6902B

analogous

#2B97B6 #2B51B6 #4B2BB6

triadic

#2B51B6 #B62B51 #51B62B

tetradic

#2B51B6 #B62B97 #B6902B #2BB64B

square

#2B51B6 #B62B97 #B6902B #2BB64B

split-complementary

#2B51B6 #B64B2B #97B62B

monochromatic

#142553 #1F3B84 #2B51B6 #4A70D4 #7B97E0

Accessibility & contrast

On white

7.11

#2B51B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2B51B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B51B6

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B51B6	#FFFFFF	#000000	##FFFFFF
##2B51B6	1.00	7.11	2.96	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB9

Deuteranopia (green-blind)

#0052B4

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2b51b6;
/* rgb */ color: rgb(43, 81, 182);
/* oklch */ color: oklch(46.9% 0.166 265.0);

Tailwind

colors: {
  custom: {
    50: '#7981cd',
    500: '#2b51b6',
    950: '#000000',
  },
}

SCSS

$custom: #2b51b6;
$custom-light: #7981cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b51b6",
  "rgb": {
    "r": 43,
    "g": 81,
    "b": 182
  },
  "hsl": {
    "h": 223.597,
    "s": 61.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.46902,
    "c": 0.16609,
    "h": 265
  },
  "luminance": 0.09776
}

Semantic roles & 50–950 ramp

primary

#2B51B6

secondary

#C8B175

accent

#B943E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B51B6

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

Preview Lab → · Contrast checker → · Palette generator →