#2A3389#2A3389

#2A3389 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.142 H 272.8°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#2A3389
RGB	rgb(42, 51, 137)
HSL	hsl(234, 53%, 35%)
HSV	hsv(234, 69%, 54%)
CMYK	cmyk(69.3%, 62.8%, 0%, 46.3%)
CIE-LAB	lab(25.76, 26.06, -49.17)
CIE-LCH	lch(25.76, 55.65, 297.92°)
OKLab	oklab(37.04% 0.0068 -0.1418)
OKLCH	oklch(37.04% 0.142 272.8)
XYZ	xyz(6.6525, 4.6654, 24.2120)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3389 #89802A

analogous

#2A6289 #2A3389 #512A89

triadic

#2A3389 #892A33 #33892A

tetradic

#2A3389 #892A62 #89802A #2A8951

square

#2A3389 #892A62 #89802A #2A8951

split-complementary

#2A3389 #89512A #62892A

monochromatic

#0D102B #1C225A #2A3389 #3844B8 #5F6ACE

Accessibility & contrast

On white

10.86

#2A3389 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2A3389 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3389

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3389	#FFFFFF	#000000	##FFFFFF
##2A3389	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418C

Deuteranopia (green-blind)

#003987

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3389;
/* rgb */ color: rgb(42, 51, 137);
/* oklch */ color: oklch(37.0% 0.142 272.8);

Tailwind

colors: {
  custom: {
    50: '#706aac',
    500: '#2a3389',
    950: '#000000',
  },
}

SCSS

$custom: #2a3389;
$custom-light: #706aac;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3389",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 137
  },
  "hsl": {
    "h": 234.316,
    "s": 53.073,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37036,
    "c": 0.14193,
    "h": 272.8
  },
  "luminance": 0.04666
}

Semantic roles & 50–950 ramp

primary

#2A3389

secondary

#B4AB5B

accent

#CF4BDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A3389

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

Preview Lab → · Contrast checker → · Palette generator →