#3D51AA#3D51AA

#3D51AA is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.9% C 0.144 H 270.4°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#3D51AA
RGB	rgb(61, 81, 170)
HSL	hsl(229, 47%, 45%)
HSV	hsv(229, 64%, 67%)
CMYK	cmyk(64.1%, 52.4%, 0%, 33.3%)
CIE-LAB	lab(37.44, 21.32, -50.22)
CIE-LCH	lch(37.44, 54.56, 293.00°)
OKLab	oklab(46.87% 0.0011 -0.144)
OKLCH	oklch(46.87% 0.144 270.4)
XYZ	xyz(12.1202, 9.7782, 39.2711)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D51AA #AA963D

analogous

#3D87AA #3D51AA #603DAA

triadic

#3D51AA #AA3D51 #51AA3D

tetradic

#3D51AA #AA3D87 #AA963D #3DAA60

square

#3D51AA #AA3D87 #AA963D #3DAA60

split-complementary

#3D51AA #AA603D #87AA3D

monochromatic

#1D2650 #2D3C7D #3D51AA #5F72C5 #8C99D6

Accessibility & contrast

On white

7.10

#3D51AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#3D51AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D51AA

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D51AA	#FFFFFF	#000000	##FFFFFF
##3D51AA	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5DAD

Deuteranopia (green-blind)

#0053A8

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3d51aa;
/* rgb */ color: rgb(61, 81, 170);
/* oklch */ color: oklch(46.9% 0.144 270.4);

Tailwind

colors: {
  custom: {
    50: '#7e81c4',
    500: '#3d51aa',
    950: '#000000',
  },
}

SCSS

$custom: #3d51aa;
$custom-light: #7e81c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d51aa",
  "rgb": {
    "r": 61,
    "g": 81,
    "b": 170
  },
  "hsl": {
    "h": 228.991,
    "s": 47.186,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4687,
    "c": 0.14404,
    "h": 270.4
  },
  "luminance": 0.09779
}

Semantic roles & 50–950 ramp

primary

#3D51AA

secondary

#C0B582

accent

#BE51D7

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3D51AA

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

Preview Lab → · Contrast checker → · Palette generator →