#3E429B#3E429B

#3E429B is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.142 H 276.6°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#3E429B
RGB	rgb(62, 66, 155)
HSL	hsl(237, 43%, 43%)
HSV	hsv(237, 60%, 61%)
CMYK	cmyk(60%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(32.45, 26.01, -49.29)
CIE-LCH	lch(32.45, 55.73, 297.83°)
OKLab	oklab(42.8% 0.0164 -0.1414)
OKLCH	oklch(42.8% 0.142 276.6)
XYZ	xyz(9.8493, 7.2864, 31.8914)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E429B #9B973E

analogous

#3E719B #3E429B #683E9B

triadic

#3E429B #9B3E42 #429B3E

tetradic

#3E429B #9B3E71 #9B973E #3E9B68

square

#3E429B #9B3E71 #9B973E #3E9B68

split-complementary

#3E429B #9B683E #719B3E

monochromatic

#1B1D44 #2D2F6F #3E429B #595EBD #8588CE

Accessibility & contrast

On white

8.55

#3E429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3E429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E429B

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E429B	#FFFFFF	#000000	##FFFFFF
##3E429B	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004899

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3e429b;
/* rgb */ color: rgb(62, 66, 155);
/* oklch */ color: oklch(42.8% 0.142 276.6);

Tailwind

colors: {
  custom: {
    50: '#7c76b9',
    500: '#3e429b',
    950: '#000000',
  },
}

SCSS

$custom: #3e429b;
$custom-light: #7c76b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e429b",
  "rgb": {
    "r": 62,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 237.419,
    "s": 42.857,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42802,
    "c": 0.14238,
    "h": 276.6
  },
  "luminance": 0.07287
}

Semantic roles & 50–950 ramp

primary

#3E429B

secondary

#B9B67C

accent

#CD55D3

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3E429B

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

Preview Lab → · Contrast checker → · Palette generator →