#2A3871#2A3871

#2A3871 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.099 H 270.4°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A3871
RGB	rgb(42, 56, 113)
HSL	hsl(228, 46%, 30%)
HSV	hsv(228, 63%, 44%)
CMYK	cmyk(62.8%, 50.4%, 0%, 55.7%)
CIE-LAB	lab(25.30, 13.60, -34.79)
CIE-LCH	lch(25.30, 37.36, 291.35°)
OKLab	oklab(36.1% 0.0007 -0.0994)
OKLCH	oklch(36.1% 0.099 270.4)
XYZ	xyz(5.3487, 4.5124, 16.2087)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3871 #71632A

analogous

#2A5B71 #2A3871 #3F2A71

triadic

#2A3871 #712A38 #38712A

tetradic

#2A3871 #712A5B #71632A #2A713F

square

#2A3871 #712A5B #71632A #2A713F

split-complementary

#2A3871 #713F2A #5B712A

monochromatic

#090C18 #192244 #2A3871 #3B4E9E #556AC0

Accessibility & contrast

On white

11.04

#2A3871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2A3871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3871

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3871	#FFFFFF	#000000	##FFFFFF
##2A3871	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3F73

Deuteranopia (green-blind)

#0F3970

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a3871;
/* rgb */ color: rgb(42, 56, 113);
/* oklch */ color: oklch(36.1% 0.099 270.4);

Tailwind

colors: {
  custom: {
    50: '#6b6e9a',
    500: '#2a3871',
    950: '#000000',
  },
}

SCSS

$custom: #2a3871;
$custom-light: #6b6e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3871",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 113
  },
  "hsl": {
    "h": 228.169,
    "s": 45.806,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36104,
    "c": 0.09943,
    "h": 270.4
  },
  "luminance": 0.04513
}

Semantic roles & 50–950 ramp

primary

#2A3871

secondary

#A39354

accent

#BC52D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2A3871

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

Preview Lab → · Contrast checker → · Palette generator →