#2D51B3#2D51B3

#2D51B3 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.7% C 0.161 H 265.3°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#2D51B3
RGB	rgb(45, 81, 179)
HSL	hsl(224, 60%, 44%)
HSV	hsv(224, 75%, 70%)
CMYK	cmyk(74.9%, 54.7%, 0%, 29.8%)
CIE-LAB	lab(37.29, 22.23, -55.84)
CIE-LCH	lch(37.29, 60.10, 291.71°)
OKLab	oklab(46.75% -0.0132 -0.1609)
OKLCH	oklch(46.75% 0.161 265.3)
XYZ	xyz(12.1584, 9.6961, 43.8698)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D51B3 #B38F2D

analogous

#2D94B3 #2D51B3 #4C2DB3

triadic

#2D51B3 #B32D51 #51B32D

tetradic

#2D51B3 #B32D94 #B38F2D #2DB34C

square

#2D51B3 #B32D94 #B38F2D #2DB34C

split-complementary

#2D51B3 #B34C2D #94B32D

monochromatic

#142551 #213B82 #2D51B3 #4B6FD2 #7C97DE

Accessibility & contrast

On white

7.14

#2D51B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2D51B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D51B3

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D51B3	#FFFFFF	#000000	##FFFFFF
##2D51B3	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0052B1

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2d51b3;
/* rgb */ color: rgb(45, 81, 179);
/* oklch */ color: oklch(46.7% 0.161 265.3);

Tailwind

colors: {
  custom: {
    50: '#7981ca',
    500: '#2d51b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d51b3;
$custom-light: #7981ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d51b3",
  "rgb": {
    "r": 45,
    "g": 81,
    "b": 179
  },
  "hsl": {
    "h": 223.881,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46746,
    "c": 0.16142,
    "h": 265.3
  },
  "luminance": 0.09697
}

Semantic roles & 50–950 ramp

primary

#2D51B3

secondary

#C7B175

accent

#B845E3

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2D51B3

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

Preview Lab → · Contrast checker → · Palette generator →