#3D42BA#3D42BA

#3D42BA is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.3% C 0.185 H 274.4°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3D42BA
RGB	rgb(61, 66, 186)
HSL	hsl(238, 51%, 48%)
HSV	hsv(238, 67%, 73%)
CMYK	cmyk(67.2%, 64.5%, 0%, 27.1%)
CIE-LAB	lab(34.87, 36.58, -63.88)
CIE-LCH	lch(34.87, 73.61, 299.80°)
OKLab	oklab(45.34% 0.0142 -0.1843)
OKLCH	oklch(45.34% 0.185 274.4)
XYZ	xyz(12.7327, 8.4326, 47.4015)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D42BA #BAB53D

analogous

#3D80BA #3D42BA #763DBA

triadic

#3D42BA #BA3D42 #42BA3D

tetradic

#3D42BA #BA3D80 #BAB53D #3DBA76

square

#3D42BA #BA3D80 #BAB53D #3DBA76

split-complementary

#3D42BA #BA763D #80BA3D

monochromatic

#1F215E #2E328C #3D42BA #676BCD #9598DC

Accessibility & contrast

On white

7.82

#3D42BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3D42BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D42BA

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D42BA	#FFFFFF	#000000	##FFFFFF
##3D42BA	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004CB8

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3d42ba;
/* rgb */ color: rgb(61, 66, 186);
/* oklch */ color: oklch(45.3% 0.185 274.4);

Tailwind

colors: {
  custom: {
    50: '#8276d0',
    500: '#3d42ba',
    950: '#000000',
  },
}

SCSS

$custom: #3d42ba;
$custom-light: #8276d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d42ba",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 186
  },
  "hsl": {
    "h": 237.6,
    "s": 50.607,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45344,
    "c": 0.18486,
    "h": 274.4
  },
  "luminance": 0.08434
}

Semantic roles & 50–950 ramp

primary

#3D42BA

secondary

#C8C58B

accent

#D44EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3D42BA

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

Preview Lab → · Contrast checker → · Palette generator →