#2834A4#2834A4

#2834A4 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.178 H 270.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#2834A4
RGB	rgb(40, 52, 164)
HSL	hsl(234, 61%, 40%)
HSV	hsv(234, 76%, 64%)
CMYK	cmyk(75.6%, 68.3%, 0%, 35.7%)
CIE-LAB	lab(28.34, 35.07, -61.49)
CIE-LCH	lch(28.34, 70.79, 299.70°)
OKLab	oklab(39.65% 0.0022 -0.1779)
OKLCH	oklch(39.65% 0.178 270.7)
XYZ	xyz(8.8016, 5.5865, 35.7292)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2834A4 #A49828

analogous

#2872A4 #2834A4 #5A28A4

triadic

#2834A4 #A42834 #34A428

tetradic

#2834A4 #A42872 #A49828 #28A45A

square

#2834A4 #A42872 #A49828 #28A45A

split-complementary

#2834A4 #A45A28 #72A428

monochromatic

#101542 #1C2473 #2834A4 #3A49CF #6B76DB

Accessibility & contrast

On white

9.92

#2834A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2834A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2834A4

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2834A4	#FFFFFF	#000000	##FFFFFF
##2834A4	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A7

Deuteranopia (green-blind)

#003DA2

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2834a4;
/* rgb */ color: rgb(40, 52, 164);
/* oklch */ color: oklch(39.7% 0.178 270.7);

Tailwind

colors: {
  custom: {
    50: '#766cc0',
    500: '#2834a4',
    950: '#000000',
  },
}

SCSS

$custom: #2834a4;
$custom-light: #766cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2834a4",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 164
  },
  "hsl": {
    "h": 234.194,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.39652,
    "c": 0.17792,
    "h": 270.7
  },
  "luminance": 0.05587
}

Semantic roles & 50–950 ramp

primary

#2834A4

secondary

#C1B966

accent

#D444E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2834A4

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

Preview Lab → · Contrast checker → · Palette generator →