#2A3784#2A3784

#2A3784 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.129 H 271.5°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#2A3784
RGB	rgb(42, 55, 132)
HSL	hsl(231, 52%, 34%)
HSV	hsv(231, 68%, 52%)
CMYK	cmyk(68.2%, 58.3%, 0%, 48.2%)
CIE-LAB	lab(26.42, 21.47, -44.98)
CIE-LCH	lch(26.42, 49.84, 295.51°)
OKLab	oklab(37.4% 0.0033 -0.1294)
OKLCH	oklch(37.4% 0.129 271.5)
XYZ	xyz(6.4845, 4.8900, 22.4275)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3784 #84772A

analogous

#2A6484 #2A3784 #4A2A84

triadic

#2A3784 #842A37 #37842A

tetradic

#2A3784 #842A64 #84772A #2A844A

square

#2A3784 #842A64 #84772A #2A844A

split-complementary

#2A3784 #844A2A #64842A

monochromatic

#0C1027 #1B2456 #2A3784 #394AB2 #5D6DCB

Accessibility & contrast

On white

10.62

#2A3784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2A3784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3784

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3784	#FFFFFF	#000000	##FFFFFF
##2A3784	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a3784;
/* rgb */ color: rgb(42, 55, 132);
/* oklch */ color: oklch(37.4% 0.129 271.5);

Tailwind

colors: {
  custom: {
    50: '#6f6da8',
    500: '#2a3784',
    950: '#000000',
  },
}

SCSS

$custom: #2a3784;
$custom-light: #6f6da8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3784",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 132
  },
  "hsl": {
    "h": 231.333,
    "s": 51.724,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37397,
    "c": 0.12945,
    "h": 271.5
  },
  "luminance": 0.04891
}

Semantic roles & 50–950 ramp

primary

#2A3784

secondary

#B1A459

accent

#C74DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3784

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

Preview Lab → · Contrast checker → · Palette generator →