#2734A6#2734A6

#2734A6 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.181 H 270.3°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#2734A6
RGB	rgb(39, 52, 166)
HSL	hsl(234, 62%, 40%)
HSV	hsv(234, 77%, 65%)
CMYK	cmyk(76.5%, 68.7%, 0%, 34.9%)
CIE-LAB	lab(28.48, 35.69, -62.47)
CIE-LCH	lch(28.48, 71.95, 299.74°)
OKLab	oklab(39.8% 0.001 -0.1808)
OKLCH	oklch(39.8% 0.181 270.3)
XYZ	xyz(8.9453, 5.6395, 36.6861)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2734A6 #A69927

analogous

#2774A6 #2734A6 #5927A6

triadic

#2734A6 #A62734 #34A627

tetradic

#2734A6 #A62774 #A69927 #27A659

square

#2734A6 #A62774 #A69927 #27A659

split-complementary

#2734A6 #A65927 #74A627

monochromatic

#101543 #1B2474 #2734A6 #3A49D1 #6B77DC

Accessibility & contrast

On white

9.87

#2734A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2734A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2734A6

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2734A6	#FFFFFF	#000000	##FFFFFF
##2734A6	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AA

Deuteranopia (green-blind)

#003DA4

Tritanopia (blue-blind)

#005368

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2734a6;
/* rgb */ color: rgb(39, 52, 166);
/* oklch */ color: oklch(39.8% 0.181 270.3);

Tailwind

colors: {
  custom: {
    50: '#766cc1',
    500: '#2734a6',
    950: '#000000',
  },
}

SCSS

$custom: #2734a6;
$custom-light: #766cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2734a6",
  "rgb": {
    "r": 39,
    "g": 52,
    "b": 166
  },
  "hsl": {
    "h": 233.858,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39797,
    "c": 0.18079,
    "h": 270.3
  },
  "luminance": 0.0564
}

Semantic roles & 50–950 ramp

primary

#2734A6

secondary

#C3B966

accent

#D443E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2734A6

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

Preview Lab → · Contrast checker → · Palette generator →