#3E439A#3E439A

#3E439A is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.140 H 276.3°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#3E439A
RGB	rgb(62, 67, 154)
HSL	hsl(237, 43%, 42%)
HSV	hsv(237, 60%, 60%)
CMYK	cmyk(59.7%, 56.5%, 0%, 39.6%)
CIE-LAB	lab(32.64, 25.01, -48.38)
CIE-LCH	lch(32.64, 54.46, 297.34°)
OKLab	oklab(42.92% 0.0153 -0.1388)
OKLCH	oklch(42.92% 0.14 276.3)
XYZ	xyz(9.8246, 7.3708, 31.4706)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E439A #9A953E

analogous

#3E719A #3E439A #673E9A

triadic

#3E439A #9A3E43 #439A3E

tetradic

#3E439A #9A3E71 #9A953E #3E9A67

square

#3E439A #9A3E71 #9A953E #3E9A67

split-complementary

#3E439A #9A673E #719A3E

monochromatic

#1B1D43 #2C306E #3E439A #595EBC #8589CE

Accessibility & contrast

On white

8.49

#3E439A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3E439A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E439A

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E439A	#FFFFFF	#000000	##FFFFFF
##3E439A	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01519D

Deuteranopia (green-blind)

#004998

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3e439a;
/* rgb */ color: rgb(62, 67, 154);
/* oklch */ color: oklch(42.9% 0.140 276.3);

Tailwind

colors: {
  custom: {
    50: '#7c77b8',
    500: '#3e439a',
    950: '#000000',
  },
}

SCSS

$custom: #3e439a;
$custom-light: #7c77b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3e439a",
  "rgb": {
    "r": 62,
    "g": 67,
    "b": 154
  },
  "hsl": {
    "h": 236.739,
    "s": 42.593,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42918,
    "c": 0.1396,
    "h": 276.3
  },
  "luminance": 0.07372
}

Semantic roles & 50–950 ramp

primary

#3E439A

secondary

#B8B57C

accent

#CC55D2

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3E439A

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

Preview Lab → · Contrast checker → · Palette generator →