#2A3C73#2A3C73

#2A3C73 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.097 H 267.9°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C73
RGB	rgb(42, 60, 115)
HSL	hsl(225, 46%, 31%)
HSV	hsv(225, 63%, 45%)
CMYK	cmyk(63.5%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(26.62, 11.58, -33.94)
CIE-LCH	lch(26.62, 35.86, 288.83°)
OKLab	oklab(37.16% -0.0036 -0.0969)
OKLCH	oklch(37.16% 0.097 267.9)
XYZ	xyz(5.6642, 4.9613, 16.8755)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C73 #73612A

analogous

#2A6073 #2A3C73 #3C2A73

triadic

#2A3C73 #732A3C #3C732A

tetradic

#2A3C73 #732A60 #73612A #2A733C

square

#2A3C73 #732A60 #73612A #2A733C

split-complementary

#2A3C73 #733C2A #60732A

monochromatic

#090D19 #1A2546 #2A3C73 #3A53A0 #5671C1

Accessibility & contrast

On white

10.54

#2A3C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2A3C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C73

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C73	#FFFFFF	#000000	##FFFFFF
##2A3C73	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224275

Deuteranopia (green-blind)

#173C72

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3c73;
/* rgb */ color: rgb(42, 60, 115);
/* oklch */ color: oklch(37.2% 0.097 267.9);

Tailwind

colors: {
  custom: {
    50: '#6b719c',
    500: '#2a3c73',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c73;
$custom-light: #6b719c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c73",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 225.205,
    "s": 46.497,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37159,
    "c": 0.09694,
    "h": 267.9
  },
  "luminance": 0.04962
}

Semantic roles & 50–950 ramp

primary

#2A3C73

secondary

#A59154

accent

#B552D6

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2A3C73

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

Preview Lab → · Contrast checker → · Palette generator →