#2A3584#2A3584

#2A3584 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.132 H 272.2°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A3584
RGB	rgb(42, 53, 132)
HSL	hsl(233, 52%, 34%)
HSV	hsv(233, 68%, 52%)
CMYK	cmyk(68.2%, 59.8%, 0%, 48.2%)
CIE-LAB	lab(25.87, 22.83, -45.86)
CIE-LCH	lch(25.87, 51.23, 296.47°)
OKLab	oklab(36.99% 0.0051 -0.132)
OKLCH	oklch(36.99% 0.132 272.2)
XYZ	xyz(6.3914, 4.7038, 22.3964)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3584 #84792A

analogous

#2A6284 #2A3584 #4C2A84

triadic

#2A3584 #842A35 #35842A

tetradic

#2A3584 #842A62 #84792A #2A844C

square

#2A3584 #842A62 #84792A #2A844C

split-complementary

#2A3584 #844C2A #62842A

monochromatic

#0C1027 #1B2256 #2A3584 #3948B2 #5D6ACB

Accessibility & contrast

On white

10.82

#2A3584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2A3584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3584

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3584	#FFFFFF	#000000	##FFFFFF
##2A3584	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004187

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3584;
/* rgb */ color: rgb(42, 53, 132);
/* oklch */ color: oklch(37.0% 0.132 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f6ca8',
    500: '#2a3584',
    950: '#000000',
  },
}

SCSS

$custom: #2a3584;
$custom-light: #6f6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3584",
  "rgb": {
    "r": 42,
    "g": 53,
    "b": 132
  },
  "hsl": {
    "h": 232.667,
    "s": 51.724,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3699,
    "c": 0.13214,
    "h": 272.2
  },
  "luminance": 0.04704
}

Semantic roles & 50–950 ramp

primary

#2A3584

secondary

#B1A659

accent

#CA4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A3584

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

Preview Lab → · Contrast checker → · Palette generator →