#2A3CB5#2A3CB5

#2A3CB5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.190 H 269.5°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CB5
RGB	rgb(42, 60, 181)
HSL	hsl(232, 62%, 44%)
HSV	hsv(232, 77%, 71%)
CMYK	cmyk(76.8%, 66.9%, 0%, 29%)
CIE-LAB	lab(31.94, 36.34, -65.76)
CIE-LCH	lch(31.94, 75.13, 298.93°)
OKLab	oklab(42.79% -0.0017 -0.1903)
OKLCH	oklch(42.79% 0.19 269.5)
XYZ	xyz(10.9083, 7.0590, 44.4947)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CB5 #B5A32A

analogous

#2A81B5 #2A3CB5 #5D2AB5

triadic

#2A3CB5 #B52A3C #3CB52A

tetradic

#2A3CB5 #B52A81 #B5A32A #2AB55D

square

#2A3CB5 #B52A81 #B5A32A #2AB55D

split-complementary

#2A3CB5 #B55D2A #81B52A

monochromatic

#131B52 #1E2C83 #2A3CB5 #485AD4 #7987E0

Accessibility & contrast

On white

8.71

#2A3CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2A3CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CB5

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CB5	#FFFFFF	#000000	##FFFFFF
##2A3CB5	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B9

Deuteranopia (green-blind)

#0045B3

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3cb5;
/* rgb */ color: rgb(42, 60, 181);
/* oklch */ color: oklch(42.8% 0.190 269.5);

Tailwind

colors: {
  custom: {
    50: '#7a72cc',
    500: '#2a3cb5',
    950: '#000000',
  },
}

SCSS

$custom: #2a3cb5;
$custom-light: #7a72cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3cb5",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 232.23,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42785,
    "c": 0.19031,
    "h": 269.5
  },
  "luminance": 0.0706
}

Semantic roles & 50–950 ramp

primary

#2A3CB5

secondary

#C8BD73

accent

#D042E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2A3CB5

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

Preview Lab → · Contrast checker → · Palette generator →