#2739AA#2739AA

#2739AA is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.180 H 269.3°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#2739AA
RGB	rgb(39, 57, 170)
HSL	hsl(232, 63%, 41%)
HSV	hsv(232, 77%, 67%)
CMYK	cmyk(77.1%, 66.5%, 0%, 33.3%)
CIE-LAB	lab(30.06, 33.95, -62.30)
CIE-LCH	lch(30.06, 70.95, 298.59°)
OKLab	oklab(41.06% -0.0022 -0.1803)
OKLCH	oklch(41.06% 0.18 269.3)
XYZ	xyz(9.5530, 6.2588, 38.7270)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2739AA #AA9827

analogous

#277AAA #2739AA #5627AA

triadic

#2739AA #AA2739 #39AA27

tetradic

#2739AA #AA277A #AA9827 #27AA56

square

#2739AA #AA277A #AA9827 #27AA56

split-complementary

#2739AA #AA5627 #7AAA27

monochromatic

#101846 #1C2878 #2739AA #3C51D2 #6E7DDE

Accessibility & contrast

On white

9.33

#2739AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2739AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2739AA

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2739AA	#FFFFFF	#000000	##FFFFFF
##2739AA	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAE

Deuteranopia (green-blind)

#0041A8

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2739aa;
/* rgb */ color: rgb(39, 57, 170);
/* oklch */ color: oklch(41.1% 0.180 269.3);

Tailwind

colors: {
  custom: {
    50: '#776fc4',
    500: '#2739aa',
    950: '#000000',
  },
}

SCSS

$custom: #2739aa;
$custom-light: #776fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2739aa",
  "rgb": {
    "r": 39,
    "g": 57,
    "b": 170
  },
  "hsl": {
    "h": 231.756,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41058,
    "c": 0.18027,
    "h": 269.3
  },
  "luminance": 0.0626
}

Semantic roles & 50–950 ramp

primary

#2739AA

secondary

#C4B869

accent

#CF42E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2739AA

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

Preview Lab → · Contrast checker → · Palette generator →