#2A3371#2A3371

#2A3371 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.0% C 0.107 H 273.4°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#2A3371
RGB	rgb(42, 51, 113)
HSL	hsl(232, 46%, 30%)
HSV	hsv(232, 63%, 44%)
CMYK	cmyk(62.8%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(23.84, 17.08, -37.14)
CIE-LCH	lch(23.84, 40.88, 294.70°)
OKLab	oklab(35% 0.0063 -0.1064)
OKLCH	oklch(35% 0.107 273.4)
XYZ	xyz(5.1183, 4.0517, 16.1319)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3371 #71682A

analogous

#2A5671 #2A3371 #442A71

triadic

#2A3371 #712A33 #33712A

tetradic

#2A3371 #712A56 #71682A #2A7144

square

#2A3371 #712A56 #71682A #2A7144

split-complementary

#2A3371 #71442A #56712A

monochromatic

#090B18 #191F44 #2A3371 #3B479E #5563C0

Accessibility & contrast

On white

11.60

#2A3371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2A3371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3371

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3371	#FFFFFF	#000000	##FFFFFF
##2A3371	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3C73

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2a3371;
/* rgb */ color: rgb(42, 51, 113);
/* oklch */ color: oklch(35.0% 0.107 273.4);

Tailwind

colors: {
  custom: {
    50: '#6b6a9a',
    500: '#2a3371',
    950: '#000000',
  },
}

SCSS

$custom: #2a3371;
$custom-light: #6b6a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3371",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 232.394,
    "s": 45.806,
    "l": 30.392
  },
  "oklch": {
    "l": 0.35002,
    "c": 0.10658,
    "h": 273.4
  },
  "luminance": 0.04052
}

Semantic roles & 50–950 ramp

primary

#2A3371

secondary

#A39954

accent

#C552D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2A3371

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

Preview Lab → · Contrast checker → · Palette generator →