#3139AE#3139AE

#3139AE is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.0% C 0.183 H 272.5°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#3139AE
RGB	rgb(49, 57, 174)
HSL	hsl(236, 56%, 44%)
HSV	hsv(236, 72%, 68%)
CMYK	cmyk(71.8%, 67.2%, 0%, 31.8%)
CIE-LAB	lab(30.96, 36.49, -63.19)
CIE-LCH	lch(30.96, 72.97, 300.00°)
OKLab	oklab(41.97% 0.0079 -0.1826)
OKLCH	oklch(41.97% 0.183 272.5)
XYZ	xyz(10.3672, 6.6342, 40.7704)
Luminance	0.0664 (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

#3139AE #AEA631

analogous

#3177AE #3139AE #6731AE

triadic

#3139AE #AE3139 #39AE31

tetradic

#3139AE #AE3177 #AEA631 #31AE67

square

#3139AE #AE3177 #AEA631 #31AE67

split-complementary

#3139AE #AE6731 #77AE31

monochromatic

#161A4E #24297E #3139AE #4F57CD #7F84DB

Accessibility & contrast

On white

9.02

#3139AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3139AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3139AE

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3139AE	#FFFFFF	#000000	##FFFFFF
##3139AE	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0043AC

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3139ae;
/* rgb */ color: rgb(49, 57, 174);
/* oklch */ color: oklch(42.0% 0.183 272.5);

Tailwind

colors: {
  custom: {
    50: '#7b70c7',
    500: '#3139ae',
    950: '#000000',
  },
}

SCSS

$custom: #3139ae;
$custom-light: #7b70c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3139ae",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 174
  },
  "hsl": {
    "h": 236.16,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41973,
    "c": 0.18281,
    "h": 272.5
  },
  "luminance": 0.06635
}

Semantic roles & 50–950 ramp

primary

#3139AE

secondary

#C4BF77

accent

#D648DF

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3139AE

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

Preview Lab → · Contrast checker → · Palette generator →