#3E439B#3E439B

#3E439B is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.141 H 276.3°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3E439B
RGB	rgb(62, 67, 155)
HSL	hsl(237, 43%, 43%)
HSV	hsv(237, 60%, 61%)
CMYK	cmyk(60%, 56.8%, 0%, 39.2%)
CIE-LAB	lab(32.71, 25.36, -48.87)
CIE-LCH	lch(32.71, 55.05, 297.43°)
OKLab	oklab(43% 0.0154 -0.1402)
OKLCH	oklch(43% 0.141 276.3)
XYZ	xyz(9.9082, 7.4043, 31.9110)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E439B #9B963E

analogous

#3E729B #3E439B #673E9B

triadic

#3E439B #9B3E43 #439B3E

tetradic

#3E439B #9B3E72 #9B963E #3E9B67

square

#3E439B #9B3E72 #9B963E #3E9B67

split-complementary

#3E439B #9B673E #729B3E

monochromatic

#1B1D44 #2D306F #3E439B #595FBD #8589CE

Accessibility & contrast

On white

8.46

#3E439B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3E439B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E439B

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E439B	#FFFFFF	#000000	##FFFFFF
##3E439B	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519E

Deuteranopia (green-blind)

#004999

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3e439b;
/* rgb */ color: rgb(62, 67, 155);
/* oklch */ color: oklch(43.0% 0.141 276.3);

Tailwind

colors: {
  custom: {
    50: '#7c77b9',
    500: '#3e439b',
    950: '#000000',
  },
}

SCSS

$custom: #3e439b;
$custom-light: #7c77b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e439b",
  "rgb": {
    "r": 62,
    "g": 67,
    "b": 155
  },
  "hsl": {
    "h": 236.774,
    "s": 42.857,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42996,
    "c": 0.14102,
    "h": 276.3
  },
  "luminance": 0.07405
}

Semantic roles & 50–950 ramp

primary

#3E439B

secondary

#B9B57C

accent

#CC55D3

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3E439B

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

Preview Lab → · Contrast checker → · Palette generator →