#2A3189#2A3189

#2A3189 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.145 H 273.4°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#2A3189
RGB	rgb(42, 49, 137)
HSL	hsl(236, 53%, 35%)
HSV	hsv(236, 69%, 54%)
CMYK	cmyk(69.3%, 64.2%, 0%, 46.3%)
CIE-LAB	lab(25.24, 27.40, -50.01)
CIE-LCH	lch(25.24, 57.03, 298.72°)
OKLab	oklab(36.66% 0.0085 -0.1443)
OKLCH	oklch(36.66% 0.145 273.4)
XYZ	xyz(6.5670, 4.4944, 24.1835)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3189 #89822A

analogous

#2A6089 #2A3189 #522A89

triadic

#2A3189 #892A31 #31892A

tetradic

#2A3189 #892A60 #89822A #2A8952

square

#2A3189 #892A60 #89822A #2A8952

split-complementary

#2A3189 #89522A #60892A

monochromatic

#0D0F2B #1C205A #2A3189 #3842B8 #5F68CE

Accessibility & contrast

On white

11.06

#2A3189 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2A3189 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3189

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3189	#FFFFFF	#000000	##FFFFFF
##2A3189	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408C

Deuteranopia (green-blind)

#003887

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a3189;
/* rgb */ color: rgb(42, 49, 137);
/* oklch */ color: oklch(36.7% 0.145 273.4);

Tailwind

colors: {
  custom: {
    50: '#7169ac',
    500: '#2a3189',
    950: '#000000',
  },
}

SCSS

$custom: #2a3189;
$custom-light: #7169ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3189",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 137
  },
  "hsl": {
    "h": 235.579,
    "s": 53.073,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36655,
    "c": 0.14451,
    "h": 273.4
  },
  "luminance": 0.04495
}

Semantic roles & 50–950 ramp

primary

#2A3189

secondary

#B4AD5B

accent

#D24BDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A3189

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

Preview Lab → · Contrast checker → · Palette generator →