#3D51AF#3D51AF

#3D51AF is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.2% C 0.151 H 270.5°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3D51AF
RGB	rgb(61, 81, 175)
HSL	hsl(229, 48%, 46%)
HSV	hsv(229, 65%, 69%)
CMYK	cmyk(65.1%, 53.7%, 0%, 31.4%)
CIE-LAB	lab(37.79, 23.10, -52.63)
CIE-LCH	lch(37.79, 57.47, 293.70°)
OKLab	oklab(47.24% 0.0014 -0.1511)
OKLCH	oklch(47.24% 0.151 270.5)
XYZ	xyz(12.6021, 9.9710, 41.8096)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D51AF #AF9B3D

analogous

#3D8AAF #3D51AF #623DAF

triadic

#3D51AF #AF3D51 #51AF3D

tetradic

#3D51AF #AF3D8A #AF9B3D #3DAF62

square

#3D51AF #AF3D8A #AF9B3D #3DAF62

split-complementary

#3D51AF #AF623D #8AAF3D

monochromatic

#1D2754 #2D3C82 #3D51AF #6173C8 #8F9BD8

Accessibility & contrast

On white

7.01

#3D51AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#3D51AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D51AF

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D51AF	#FFFFFF	#000000	##FFFFFF
##3D51AF	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125EB2

Deuteranopia (green-blind)

#0054AD

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3d51af;
/* rgb */ color: rgb(61, 81, 175);
/* oklch */ color: oklch(47.2% 0.151 270.5);

Tailwind

colors: {
  custom: {
    50: '#7f81c7',
    500: '#3d51af',
    950: '#000000',
  },
}

SCSS

$custom: #3d51af;
$custom-light: #7f81c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d51af",
  "rgb": {
    "r": 61,
    "g": 81,
    "b": 175
  },
  "hsl": {
    "h": 229.474,
    "s": 48.305,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47244,
    "c": 0.15112,
    "h": 270.5
  },
  "luminance": 0.09972
}

Semantic roles & 50–950 ramp

primary

#3D51AF

secondary

#C3B885

accent

#C050D8

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3D51AF

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

Preview Lab → · Contrast checker → · Palette generator →