#2739AE#2739AE

#2739AE is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.185 H 269.2°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#2739AE
RGB	rgb(39, 57, 174)
HSL	hsl(232, 63%, 42%)
HSV	hsv(232, 78%, 68%)
CMYK	cmyk(77.6%, 67.2%, 0%, 31.8%)
CIE-LAB	lab(30.43, 35.42, -64.08)
CIE-LCH	lch(30.43, 73.21, 298.93°)
OKLab	oklab(41.45% -0.0025 -0.1855)
OKLCH	oklch(41.45% 0.185 269.2)
XYZ	xyz(9.9372, 6.4125, 40.7502)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2739AE #AE9C27

analogous

#277DAE #2739AE #5927AE

triadic

#2739AE #AE2739 #39AE27

tetradic

#2739AE #AE277D #AE9C27 #27AE59

square

#2739AE #AE277D #AE9C27 #27AE59

split-complementary

#2739AE #AE5927 #7DAE27

monochromatic

#11184A #1C297C #2739AE #3E52D4 #707FDF

Accessibility & contrast

On white

9.20

#2739AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2739AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2739AE

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2739AE	#FFFFFF	#000000	##FFFFFF
##2739AE	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB2

Deuteranopia (green-blind)

#0041AC

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2739ae;
/* rgb */ color: rgb(39, 57, 174);
/* oklch */ color: oklch(41.4% 0.185 269.2);

Tailwind

colors: {
  custom: {
    50: '#786fc7',
    500: '#2739ae',
    950: '#000000',
  },
}

SCSS

$custom: #2739ae;
$custom-light: #786fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2739ae",
  "rgb": {
    "r": 39,
    "g": 57,
    "b": 174
  },
  "hsl": {
    "h": 232,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41445,
    "c": 0.18548,
    "h": 269.2
  },
  "luminance": 0.06414
}

Semantic roles & 50–950 ramp

primary

#2739AE

secondary

#C6BA6B

accent

#D041E6

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2739AE

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

Preview Lab → · Contrast checker → · Palette generator →