#2A3374#2A3374

#2A3374 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.2% C 0.111 H 273.4°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#2A3374
RGB	rgb(42, 51, 116)
HSL	hsl(233, 47%, 31%)
HSV	hsv(233, 64%, 45%)
CMYK	cmyk(63.8%, 56%, 0%, 54.5%)
CIE-LAB	lab(24.07, 18.21, -38.69)
CIE-LCH	lch(24.07, 42.76, 295.20°)
OKLab	oklab(35.24% 0.0065 -0.111)
OKLCH	oklch(35.24% 0.111 273.4)
XYZ	xyz(5.2900, 4.1204, 17.0362)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3374 #746B2A

analogous

#2A5874 #2A3374 #462A74

triadic

#2A3374 #742A33 #33742A

tetradic

#2A3374 #742A58 #746B2A #2A7446

square

#2A3374 #742A58 #746B2A #2A7446

split-complementary

#2A3374 #74462A #58742A

monochromatic

#090B1A #1A1F47 #2A3374 #3A47A1 #5664C2

Accessibility & contrast

On white

11.51

#2A3374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2A3374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3374

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3374	#FFFFFF	#000000	##FFFFFF
##2A3374	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093D76

Deuteranopia (green-blind)

#003673

Tritanopia (blue-blind)

#00424E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2a3374;
/* rgb */ color: rgb(42, 51, 116);
/* oklch */ color: oklch(35.2% 0.111 273.4);

Tailwind

colors: {
  custom: {
    50: '#6c6a9c',
    500: '#2a3374',
    950: '#000000',
  },
}

SCSS

$custom: #2a3374;
$custom-light: #6c6a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3374",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 116
  },
  "hsl": {
    "h": 232.703,
    "s": 46.835,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35242,
    "c": 0.11116,
    "h": 273.4
  },
  "luminance": 0.04121
}

Semantic roles & 50–950 ramp

primary

#2A3374

secondary

#A69C54

accent

#C651D6

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2A3374

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

Preview Lab → · Contrast checker → · Palette generator →