#2734B1#2734B1

#2734B1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.9% C 0.195 H 269.9°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#2734B1
RGB	rgb(39, 52, 177)
HSL	hsl(234, 64%, 42%)
HSV	hsv(234, 78%, 69%)
CMYK	cmyk(78%, 70.6%, 0%, 30.6%)
CIE-LAB	lab(29.56, 39.63, -67.29)
CIE-LCH	lch(29.56, 78.09, 300.49°)
OKLab	oklab(40.91% -0.0002 -0.1949)
OKLCH	oklch(40.91% 0.195 269.9)
XYZ	xyz(9.9978, 6.0605, 42.2293)
Luminance	0.0606 (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

#2734B1 #B1A427

analogous

#2779B1 #2734B1 #5F27B1

triadic

#2734B1 #B12734 #34B127

tetradic

#2734B1 #B12779 #B1A427 #27B15F

square

#2734B1 #B12779 #B1A427 #27B15F

split-complementary

#2734B1 #B15F27 #79B127

monochromatic

#11174D #1C257F #2734B1 #404ED5 #727DE0

Accessibility & contrast

On white

9.49

#2734B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2734B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2734B1

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2734B1	#FFFFFF	#000000	##FFFFFF
##2734B1	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB5

Deuteranopia (green-blind)

#003FAF

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2734b1;
/* rgb */ color: rgb(39, 52, 177);
/* oklch */ color: oklch(40.9% 0.195 269.9);

Tailwind

colors: {
  custom: {
    50: '#796cc9',
    500: '#2734b1',
    950: '#000000',
  },
}

SCSS

$custom: #2734b1;
$custom-light: #796cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2734b1",
  "rgb": {
    "r": 39,
    "g": 52,
    "b": 177
  },
  "hsl": {
    "h": 234.348,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40905,
    "c": 0.19486,
    "h": 269.9
  },
  "luminance": 0.06062
}

Semantic roles & 50–950 ramp

primary

#2734B1

secondary

#C7BF6D

accent

#D741E7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2734B1

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

Preview Lab → · Contrast checker → · Palette generator →