#2A3973#2A3973

#2A3973 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.101 H 269.9°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#2A3973
RGB	rgb(42, 57, 115)
HSL	hsl(228, 46%, 31%)
HSV	hsv(228, 63%, 45%)
CMYK	cmyk(63.5%, 50.4%, 0%, 54.9%)
CIE-LAB	lab(25.73, 13.65, -35.37)
CIE-LCH	lch(25.73, 37.92, 291.11°)
OKLab	oklab(36.48% -0.0002 -0.1011)
OKLCH	oklch(36.48% 0.101 269.9)
XYZ	xyz(5.5114, 4.6558, 16.8246)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3973 #73642A

analogous

#2A5D73 #2A3973 #3F2A73

triadic

#2A3973 #732A39 #39732A

tetradic

#2A3973 #732A5D #73642A #2A733F

square

#2A3973 #732A5D #73642A #2A733F

split-complementary

#2A3973 #733F2A #5D732A

monochromatic

#090D19 #1A2346 #2A3973 #3A4FA0 #566CC1

Accessibility & contrast

On white

10.87

#2A3973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2A3973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3973

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3973	#FFFFFF	#000000	##FFFFFF
##2A3973	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4075

Deuteranopia (green-blind)

#0F3A72

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3973;
/* rgb */ color: rgb(42, 57, 115);
/* oklch */ color: oklch(36.5% 0.101 269.9);

Tailwind

colors: {
  custom: {
    50: '#6b6f9c',
    500: '#2a3973',
    950: '#000000',
  },
}

SCSS

$custom: #2a3973;
$custom-light: #6b6f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3973",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 115
  },
  "hsl": {
    "h": 227.671,
    "s": 46.497,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36477,
    "c": 0.10112,
    "h": 269.9
  },
  "luminance": 0.04656
}

Semantic roles & 50–950 ramp

primary

#2A3973

secondary

#A59454

accent

#BB52D6

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2A3973

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

Preview Lab → · Contrast checker → · Palette generator →