#2734A1#2734A1

#2734A1 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.174 H 270.5°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#2734A1
RGB	rgb(39, 52, 161)
HSL	hsl(234, 61%, 39%)
HSV	hsv(234, 76%, 63%)
CMYK	cmyk(75.8%, 67.7%, 0%, 36.9%)
CIE-LAB	lab(28.01, 33.88, -60.23)
CIE-LCH	lch(28.01, 69.11, 299.35°)
OKLab	oklab(39.3% 0.0014 -0.1742)
OKLCH	oklch(39.3% 0.174 270.5)
XYZ	xyz(8.4955, 5.4596, 34.3174)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2734A1 #A19427

analogous

#2771A1 #2734A1 #5727A1

triadic

#2734A1 #A12734 #34A127

tetradic

#2734A1 #A12771 #A19427 #27A157

square

#2734A1 #A12771 #A19427 #27A157

split-complementary

#2734A1 #A15727 #71A127

monochromatic

#0F143E #1B2470 #2734A1 #3747CE #6874DA

Accessibility & contrast

On white

10.04

#2734A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2734A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2734A1

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2734A1	#FFFFFF	#000000	##FFFFFF
##2734A1	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A4

Deuteranopia (green-blind)

#003C9F

Tritanopia (blue-blind)

#005166

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2734a1;
/* rgb */ color: rgb(39, 52, 161);
/* oklch */ color: oklch(39.3% 0.174 270.5);

Tailwind

colors: {
  custom: {
    50: '#756bbe',
    500: '#2734a1',
    950: '#000000',
  },
}

SCSS

$custom: #2734a1;
$custom-light: #756bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2734a1",
  "rgb": {
    "r": 39,
    "g": 52,
    "b": 161
  },
  "hsl": {
    "h": 233.607,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39304,
    "c": 0.17426,
    "h": 270.5
  },
  "luminance": 0.05461
}

Semantic roles & 50–950 ramp

primary

#2734A1

secondary

#C0B763

accent

#D344E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2734A1

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

Preview Lab → · Contrast checker → · Palette generator →