#2A3573#2A3573

#2A3573 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.6% C 0.107 H 272.3°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#2A3573
RGB	rgb(42, 53, 115)
HSL	hsl(231, 46%, 31%)
HSV	hsv(231, 63%, 45%)
CMYK	cmyk(63.5%, 53.9%, 0%, 54.9%)
CIE-LAB	lab(24.56, 16.44, -37.25)
CIE-LCH	lch(24.56, 40.72, 293.81°)
OKLab	oklab(35.59% 0.0043 -0.1067)
OKLCH	oklch(35.59% 0.107 272.3)
XYZ	xyz(5.3214, 4.2758, 16.7612)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3573 #73682A

analogous

#2A5973 #2A3573 #432A73

triadic

#2A3573 #732A35 #35732A

tetradic

#2A3573 #732A59 #73682A #2A7343

square

#2A3573 #732A59 #73682A #2A7343

split-complementary

#2A3573 #73432A #59732A

monochromatic

#090C19 #1A2046 #2A3573 #3A4AA0 #5666C1

Accessibility & contrast

On white

11.32

#2A3573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2A3573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3573

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3573	#FFFFFF	#000000	##FFFFFF
##2A3573	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123E75

Deuteranopia (green-blind)

#003772

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a3573;
/* rgb */ color: rgb(42, 53, 115);
/* oklch */ color: oklch(35.6% 0.107 272.3);

Tailwind

colors: {
  custom: {
    50: '#6b6c9c',
    500: '#2a3573',
    950: '#000000',
  },
}

SCSS

$custom: #2a3573;
$custom-light: #6b6c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3573",
  "rgb": {
    "r": 42,
    "g": 53,
    "b": 115
  },
  "hsl": {
    "h": 230.959,
    "s": 46.497,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35593,
    "c": 0.10679,
    "h": 272.3
  },
  "luminance": 0.04276
}

Semantic roles & 50–950 ramp

primary

#2A3573

secondary

#A59954

accent

#C252D6

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2A3573

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

Preview Lab → · Contrast checker → · Palette generator →