#2739AF#2739AF

#2739AF is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.187 H 269.2°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#2739AF
RGB	rgb(39, 57, 175)
HSL	hsl(232, 64%, 42%)
HSV	hsv(232, 78%, 69%)
CMYK	cmyk(77.7%, 67.4%, 0%, 31.4%)
CIE-LAB	lab(30.52, 35.78, -64.52)
CIE-LCH	lch(30.52, 73.78, 299.01°)
OKLab	oklab(41.54% -0.0025 -0.1867)
OKLCH	oklch(41.54% 0.187 269.2)
XYZ	xyz(10.0350, 6.4516, 41.2655)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2739AF #AF9D27

analogous

#277DAF #2739AF #5927AF

triadic

#2739AF #AF2739 #39AF27

tetradic

#2739AF #AF277D #AF9D27 #27AF59

square

#2739AF #AF277D #AF9D27 #27AF59

split-complementary

#2739AF #AF5927 #7DAF27

monochromatic

#11184B #1C297D #2739AF #3F53D4 #7180DF

Accessibility & contrast

On white

9.17

#2739AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2739AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2739AF

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2739AF	#FFFFFF	#000000	##FFFFFF
##2739AF	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB3

Deuteranopia (green-blind)

#0041AD

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2739af;
/* rgb */ color: rgb(39, 57, 175);
/* oklch */ color: oklch(41.5% 0.187 269.2);

Tailwind

colors: {
  custom: {
    50: '#786fc8',
    500: '#2739af',
    950: '#000000',
  },
}

SCSS

$custom: #2739af;
$custom-light: #786fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2739af",
  "rgb": {
    "r": 39,
    "g": 57,
    "b": 175
  },
  "hsl": {
    "h": 232.059,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41542,
    "c": 0.18677,
    "h": 269.2
  },
  "luminance": 0.06453
}

Semantic roles & 50–950 ramp

primary

#2739AF

secondary

#C6BA6B

accent

#D141E7

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2739AF

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

Preview Lab → · Contrast checker → · Palette generator →