#2D51B2#2D51B2

#2D51B2 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.7% C 0.160 H 265.3°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#2D51B2
RGB	rgb(45, 81, 178)
HSL	hsl(224, 60%, 44%)
HSV	hsv(224, 75%, 70%)
CMYK	cmyk(74.7%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(37.22, 21.85, -55.37)
CIE-LCH	lch(37.22, 59.52, 291.54°)
OKLab	oklab(46.67% -0.0132 -0.1595)
OKLCH	oklch(46.67% 0.16 265.3)
XYZ	xyz(12.0577, 9.6558, 43.3391)
Luminance	0.0966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D51B2 #B28E2D

analogous

#2D93B2 #2D51B2 #4B2DB2

triadic

#2D51B2 #B22D51 #51B22D

tetradic

#2D51B2 #B22D93 #B28E2D #2DB24B

square

#2D51B2 #B22D93 #B28E2D #2DB24B

split-complementary

#2D51B2 #B24B2D #93B22D

monochromatic

#142550 #213B81 #2D51B2 #4B6FD1 #7C96DE

Accessibility & contrast

On white

7.16

#2D51B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2D51B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D51B2

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D51B2	#FFFFFF	#000000	##FFFFFF
##2D51B2	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0052B0

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2d51b2;
/* rgb */ color: rgb(45, 81, 178);
/* oklch */ color: oklch(46.7% 0.160 265.3);

Tailwind

colors: {
  custom: {
    50: '#7981ca',
    500: '#2d51b2',
    950: '#000000',
  },
}

SCSS

$custom: #2d51b2;
$custom-light: #7981ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d51b2",
  "rgb": {
    "r": 45,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 223.759,
    "s": 59.641,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46666,
    "c": 0.16005,
    "h": 265.3
  },
  "luminance": 0.09657
}

Semantic roles & 50–950 ramp

primary

#2D51B2

secondary

#C6B075

accent

#B845E3

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2D51B2

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

Preview Lab → · Contrast checker → · Palette generator →