#2A3F79#2A3F79

#2A3F79 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.102 H 266.6°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F79
RGB	rgb(42, 63, 121)
HSL	hsl(224, 48%, 32%)
HSV	hsv(224, 65%, 47%)
CMYK	cmyk(65.3%, 47.9%, 0%, 52.5%)
CIE-LAB	lab(27.92, 11.78, -35.66)
CIE-LCH	lch(27.92, 37.56, 288.28°)
OKLab	oklab(38.28% -0.006 -0.1019)
OKLCH	oklch(38.28% 0.102 266.6)
XYZ	xyz(6.1824, 5.4272, 18.8072)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F79 #79642A

analogous

#2A6779 #2A3F79 #3D2A79

triadic

#2A3F79 #792A3F #3F792A

tetradic

#2A3F79 #792A67 #79642A #2A793D

square

#2A3F79 #792A67 #79642A #2A793D

split-complementary

#2A3F79 #793D2A #67792A

monochromatic

#0A101E #1A274C #2A3F79 #3A57A6 #5875C5

Accessibility & contrast

On white

10.07

#2A3F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2A3F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F79

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F79	#FFFFFF	#000000	##FFFFFF
##2A3F79	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23467B

Deuteranopia (green-blind)

#153F78

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3f79;
/* rgb */ color: rgb(42, 63, 121);
/* oklch */ color: oklch(38.3% 0.102 266.6);

Tailwind

colors: {
  custom: {
    50: '#6c73a0',
    500: '#2a3f79',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f79;
$custom-light: #6c73a0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f79",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 121
  },
  "hsl": {
    "h": 224.051,
    "s": 48.466,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38277,
    "c": 0.10206,
    "h": 266.6
  },
  "luminance": 0.05428
}

Semantic roles & 50–950 ramp

primary

#2A3F79

secondary

#AB9454

accent

#B450D8

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #2A3F79

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

Preview Lab → · Contrast checker → · Palette generator →