#2834B0#2834B0

#2834B0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.193 H 270.3°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#2834B0
RGB	rgb(40, 52, 176)
HSL	hsl(235, 63%, 42%)
HSV	hsv(235, 77%, 69%)
CMYK	cmyk(77.3%, 70.5%, 0%, 31%)
CIE-LAB	lab(29.51, 39.36, -66.78)
CIE-LCH	lch(29.51, 77.51, 300.52°)
OKLab	oklab(40.85% 0.0009 -0.1933)
OKLCH	oklch(40.85% 0.193 270.3)
XYZ	xyz(9.9369, 6.0406, 41.7081)
Luminance	0.0604 (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

#2834B0 #B0A428

analogous

#2878B0 #2834B0 #6028B0

triadic

#2834B0 #B02834 #34B028

tetradic

#2834B0 #B02878 #B0A428 #28B060

square

#2834B0 #B02878 #B0A428 #28B060

split-complementary

#2834B0 #B06028 #78B028

monochromatic

#11174C #1D257E #2834B0 #414ED4 #737DDF

Accessibility & contrast

On white

9.51

#2834B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2834B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2834B0

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2834B0	#FFFFFF	#000000	##FFFFFF
##2834B0	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB4

Deuteranopia (green-blind)

#003FAE

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2834b0;
/* rgb */ color: rgb(40, 52, 176);
/* oklch */ color: oklch(40.9% 0.193 270.3);

Tailwind

colors: {
  custom: {
    50: '#796cc9',
    500: '#2834b0',
    950: '#000000',
  },
}

SCSS

$custom: #2834b0;
$custom-light: #796cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2834b0",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 176
  },
  "hsl": {
    "h": 234.706,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40853,
    "c": 0.19333,
    "h": 270.3
  },
  "luminance": 0.06042
}

Semantic roles & 50–950 ramp

primary

#2834B0

secondary

#C6BF6D

accent

#D842E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2834B0

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

Preview Lab → · Contrast checker → · Palette generator →