#2A3DA4#2A3DA4

#2A3DA4 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.167 H 269.5°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#2A3DA4
RGB	rgb(42, 61, 164)
HSL	hsl(231, 59%, 40%)
HSV	hsv(231, 74%, 64%)
CMYK	cmyk(74.4%, 62.8%, 0%, 35.7%)
CIE-LAB	lab(30.66, 29.45, -57.69)
CIE-LCH	lch(30.66, 64.77, 297.05°)
OKLab	oklab(41.38% -0.0015 -0.1667)
OKLCH	oklch(41.38% 0.167 269.5)
XYZ	xyz(9.3221, 6.5091, 35.8798)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3DA4 #A4912A

analogous

#2A7AA4 #2A3DA4 #542AA4

triadic

#2A3DA4 #A42A3D #3DA42A

tetradic

#2A3DA4 #A42A7A #A4912A #2AA454

square

#2A3DA4 #A42A7A #A4912A #2AA454

split-complementary

#2A3DA4 #A4542A #7AA42A

monochromatic

#111943 #1E2B73 #2A3DA4 #3E54CD #6E7FDA

Accessibility & contrast

On white

9.12

#2A3DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2A3DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3DA4

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3DA4	#FFFFFF	#000000	##FFFFFF
##2A3DA4	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA7

Deuteranopia (green-blind)

#0043A2

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3da4;
/* rgb */ color: rgb(42, 61, 164);
/* oklch */ color: oklch(41.4% 0.167 269.5);

Tailwind

colors: {
  custom: {
    50: '#7672c0',
    500: '#2a3da4',
    950: '#000000',
  },
}

SCSS

$custom: #2a3da4;
$custom-light: #7672c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3da4",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 164
  },
  "hsl": {
    "h": 230.656,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41378,
    "c": 0.16668,
    "h": 269.5
  },
  "luminance": 0.0651
}

Semantic roles & 50–950 ramp

primary

#2A3DA4

secondary

#C1B369

accent

#CA45E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A3DA4

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

Preview Lab → · Contrast checker → · Palette generator →