#3E42BC#3E42BC

#3E42BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.187 H 274.7°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#3E42BC
RGB	rgb(62, 66, 188)
HSL	hsl(238, 50%, 49%)
HSV	hsv(238, 67%, 74%)
CMYK	cmyk(67%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(35.10, 37.40, -64.67)
CIE-LCH	lch(35.10, 74.70, 300.04°)
OKLab	oklab(45.59% 0.0152 -0.1866)
OKLCH	oklch(45.59% 0.187 274.7)
XYZ	xyz(13.0089, 8.5502, 48.5320)
Luminance	0.0855 (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

#3E42BC #BCB83E

analogous

#3E81BC #3E42BC #793EBC

triadic

#3E42BC #BC3E42 #42BC3E

tetradic

#3E42BC #BC3E81 #BCB83E #3EBC79

square

#3E42BC #BC3E81 #BCB83E #3EBC79

split-complementary

#3E42BC #BC793E #81BC3E

monochromatic

#202260 #2F328E #3E42BC #6A6DCE #989ADD

Accessibility & contrast

On white

7.75

#3E42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#3E42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E42BC

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E42BC	#FFFFFF	#000000	##FFFFFF
##3E42BC	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3e42bc;
/* rgb */ color: rgb(62, 66, 188);
/* oklch */ color: oklch(45.6% 0.187 274.7);

Tailwind

colors: {
  custom: {
    50: '#8377d1',
    500: '#3e42bc',
    950: '#000000',
  },
}

SCSS

$custom: #3e42bc;
$custom-light: #8377d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e42bc",
  "rgb": {
    "r": 62,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 238.095,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45585,
    "c": 0.18722,
    "h": 274.7
  },
  "luminance": 0.08551
}

Semantic roles & 50–950 ramp

primary

#3E42BC

secondary

#C9C78D

accent

#D54EDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3E42BC

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

Preview Lab → · Contrast checker → · Palette generator →