#2738AA#2738AA

#2738AA is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.9% C 0.181 H 269.5°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#2738AA
RGB	rgb(39, 56, 170)
HSL	hsl(232, 63%, 41%)
HSV	hsv(232, 77%, 67%)
CMYK	cmyk(77.1%, 67.1%, 0%, 33.3%)
CIE-LAB	lab(29.81, 34.60, -62.69)
CIE-LCH	lch(29.81, 71.61, 298.89°)
OKLab	oklab(40.88% -0.0016 -0.1814)
OKLCH	oklch(40.88% 0.181 269.5)
XYZ	xyz(9.5041, 6.1609, 38.7107)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2738AA #AA9927

analogous

#2779AA #2738AA #5727AA

triadic

#2738AA #AA2738 #38AA27

tetradic

#2738AA #AA2779 #AA9927 #27AA57

square

#2738AA #AA2779 #AA9927 #27AA57

split-complementary

#2738AA #AA5727 #79AA27

monochromatic

#101746 #1C2878 #2738AA #3C4FD2 #6E7CDE

Accessibility & contrast

On white

9.41

#2738AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2738AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2738AA

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2738AA	#FFFFFF	#000000	##FFFFFF
##2738AA	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAE

Deuteranopia (green-blind)

#0040A8

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2738aa;
/* rgb */ color: rgb(39, 56, 170);
/* oklch */ color: oklch(40.9% 0.181 269.5);

Tailwind

colors: {
  custom: {
    50: '#776ec4',
    500: '#2738aa',
    950: '#000000',
  },
}

SCSS

$custom: #2738aa;
$custom-light: #776ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#2738aa",
  "rgb": {
    "r": 39,
    "g": 56,
    "b": 170
  },
  "hsl": {
    "h": 232.214,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40881,
    "c": 0.18143,
    "h": 269.5
  },
  "luminance": 0.06162
}

Semantic roles & 50–950 ramp

primary

#2738AA

secondary

#C4B869

accent

#D042E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2738AA

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

Preview Lab → · Contrast checker → · Palette generator →