#2A3B9D#2A3B9D

#2A3B9D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.160 H 270.0°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#2A3B9D
RGB	rgb(42, 59, 157)
HSL	hsl(231, 58%, 39%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(73.2%, 62.4%, 0%, 38.4%)
CIE-LAB	lab(29.55, 28.17, -55.28)
CIE-LCH	lch(29.55, 62.04, 297.00°)
OKLab	oklab(40.37% 0.0001 -0.1596)
OKLCH	oklch(40.37% 0.16 270)
XYZ	xyz(8.6025, 6.0536, 32.6068)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3B9D #9D8C2A

analogous

#2A759D #2A3B9D #522A9D

triadic

#2A3B9D #9D2A3B #3B9D2A

tetradic

#2A3B9D #9D2A75 #9D8C2A #2A9D52

square

#2A3B9D #9D2A75 #9D8C2A #2A9D52

split-complementary

#2A3B9D #9D522A #759D2A

monochromatic

#10173C #1D296D #2A3B9D #3A4FCA #6A7AD7

Accessibility & contrast

On white

9.50

#2A3B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2A3B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3B9D

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3B9D	#FFFFFF	#000000	##FFFFFF
##2A3B9D	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3b9d;
/* rgb */ color: rgb(42, 59, 157);
/* oklch */ color: oklch(40.4% 0.160 270.0);

Tailwind

colors: {
  custom: {
    50: '#7470bb',
    500: '#2a3b9d',
    950: '#000000',
  },
}

SCSS

$custom: #2a3b9d;
$custom-light: #7470bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3b9d",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 157
  },
  "hsl": {
    "h": 231.13,
    "s": 57.789,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40368,
    "c": 0.15962,
    "h": 270
  },
  "luminance": 0.06054
}

Semantic roles & 50–950 ramp

primary

#2A3B9D

secondary

#BEB165

accent

#CA47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A3B9D

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

Preview Lab → · Contrast checker → · Palette generator →