#2734A5#2734A5

#2734A5 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.179 H 270.3°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2734A5
RGB	rgb(39, 52, 165)
HSL	hsl(234, 62%, 40%)
HSV	hsv(234, 76%, 65%)
CMYK	cmyk(76.4%, 68.5%, 0%, 35.3%)
CIE-LAB	lab(28.39, 35.33, -62.03)
CIE-LCH	lch(28.39, 71.38, 299.66°)
OKLab	oklab(39.7% 0.0011 -0.1795)
OKLCH	oklch(39.7% 0.179 270.3)
XYZ	xyz(8.8539, 5.6030, 36.2049)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2734A5 #A59827

analogous

#2773A5 #2734A5 #5927A5

triadic

#2734A5 #A52734 #34A527

tetradic

#2734A5 #A52773 #A59827 #27A559

square

#2734A5 #A52773 #A59827 #27A559

split-complementary

#2734A5 #A55927 #73A527

monochromatic

#101542 #1B2474 #2734A5 #3949D0 #6A76DC

Accessibility & contrast

On white

9.90

#2734A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2734A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2734A5

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2734A5	#FFFFFF	#000000	##FFFFFF
##2734A5	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A8

Deuteranopia (green-blind)

#003DA3

Tritanopia (blue-blind)

#005368

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2734a5;
/* rgb */ color: rgb(39, 52, 165);
/* oklch */ color: oklch(39.7% 0.179 270.3);

Tailwind

colors: {
  custom: {
    50: '#766cc1',
    500: '#2734a5',
    950: '#000000',
  },
}

SCSS

$custom: #2734a5;
$custom-light: #766cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2734a5",
  "rgb": {
    "r": 39,
    "g": 52,
    "b": 165
  },
  "hsl": {
    "h": 233.81,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.39698,
    "c": 0.17949,
    "h": 270.3
  },
  "luminance": 0.05604
}

Semantic roles & 50–950 ramp

primary

#2734A5

secondary

#C2B966

accent

#D443E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2734A5

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

Preview Lab → · Contrast checker → · Palette generator →