#2A3379#2A3379

#2A3379 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.7% C 0.119 H 273.3°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#2A3379
RGB	rgb(42, 51, 121)
HSL	hsl(233, 48%, 32%)
HSV	hsv(233, 65%, 47%)
CMYK	cmyk(65.3%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(24.45, 20.08, -41.25)
CIE-LCH	lch(24.45, 45.88, 295.95°)
OKLab	oklab(35.65% 0.0068 -0.1185)
OKLCH	oklch(35.65% 0.119 273.3)
XYZ	xyz(5.5887, 4.2399, 18.6093)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3379 #79702A

analogous

#2A5A79 #2A3379 #492A79

triadic

#2A3379 #792A33 #33792A

tetradic

#2A3379 #792A5A #79702A #2A7949

square

#2A3379 #792A5A #79702A #2A7949

split-complementary

#2A3379 #79492A #5A792A

monochromatic

#0A0D1E #1A204C #2A3379 #3A46A6 #5865C5

Accessibility & contrast

On white

11.36

#2A3379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2A3379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3379

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3379	#FFFFFF	#000000	##FFFFFF
##2A3379	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7B

Deuteranopia (green-blind)

#003778

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a3379;
/* rgb */ color: rgb(42, 51, 121);
/* oklch */ color: oklch(35.7% 0.119 273.3);

Tailwind

colors: {
  custom: {
    50: '#6d6aa0',
    500: '#2a3379',
    950: '#000000',
  },
}

SCSS

$custom: #2a3379;
$custom-light: #6d6aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3379",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 233.165,
    "s": 48.466,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35651,
    "c": 0.11868,
    "h": 273.3
  },
  "luminance": 0.0424
}

Semantic roles & 50–950 ramp

primary

#2A3379

secondary

#ABA154

accent

#C950D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #2A3379

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

Preview Lab → · Contrast checker → · Palette generator →