#2A3CAB#2A3CAB

#2A3CAB is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.177 H 269.6°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CAB
RGB	rgb(42, 60, 171)
HSL	hsl(232, 61%, 42%)
HSV	hsv(232, 75%, 67%)
CMYK	cmyk(75.4%, 64.9%, 0%, 32.9%)
CIE-LAB	lab(31.03, 32.70, -61.30)
CIE-LCH	lch(31.03, 69.47, 298.08°)
OKLab	oklab(41.84% -0.0011 -0.1772)
OKLCH	oklch(41.84% 0.177 269.6)
XYZ	xyz(9.9189, 6.6632, 39.2836)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CAB #AB992A

analogous

#2A7DAB #2A3CAB #592AAB

triadic

#2A3CAB #AB2A3C #3CAB2A

tetradic

#2A3CAB #AB2A7D #AB992A #2AAB59

square

#2A3CAB #AB2A7D #AB992A #2AAB59

split-complementary

#2A3CAB #AB592A #7DAB2A

monochromatic

#121A49 #1E2B7A #2A3CAB #4256D1 #7382DD

Accessibility & contrast

On white

9.00

#2A3CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2A3CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CAB

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CAB	#FFFFFF	#000000	##FFFFFF
##2A3CAB	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAF

Deuteranopia (green-blind)

#0043A9

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a3cab;
/* rgb */ color: rgb(42, 60, 171);
/* oklch */ color: oklch(41.8% 0.177 269.6);

Tailwind

colors: {
  custom: {
    50: '#7871c5',
    500: '#2a3cab',
    950: '#000000',
  },
}

SCSS

$custom: #2a3cab;
$custom-light: #7871c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3cab",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 171
  },
  "hsl": {
    "h": 231.628,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41837,
    "c": 0.17725,
    "h": 269.6
  },
  "luminance": 0.06664
}

Semantic roles & 50–950 ramp

primary

#2A3CAB

secondary

#C4B86D

accent

#CD44E4

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A3CAB

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

Preview Lab → · Contrast checker → · Palette generator →