#2A3797#2A3797

#2A3797 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.156 H 271.2°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A3797
RGB	rgb(42, 55, 151)
HSL	hsl(233, 56%, 38%)
HSV	hsv(233, 72%, 59%)
CMYK	cmyk(72.2%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(28.00, 28.59, -54.14)
CIE-LCH	lch(28.00, 61.23, 297.83°)
OKLab	oklab(39.07% 0.0032 -0.1563)
OKLCH	oklch(39.07% 0.156 271.2)
XYZ	xyz(7.9051, 5.4582, 29.9091)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3797 #978A2A

analogous

#2A6D97 #2A3797 #532A97

triadic

#2A3797 #972A37 #37972A

tetradic

#2A3797 #972A6D #978A2A #2A9753

square

#2A3797 #972A6D #978A2A #2A9753

split-complementary

#2A3797 #97532A #6D972A

monochromatic

#0F1437 #1D2667 #2A3797 #3748C7 #6774D5

Accessibility & contrast

On white

10.04

#2A3797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2A3797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3797

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3797	#FFFFFF	#000000	##FFFFFF
##2A3797	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3797;
/* rgb */ color: rgb(42, 55, 151);
/* oklch */ color: oklch(39.1% 0.156 271.2);

Tailwind

colors: {
  custom: {
    50: '#736db6',
    500: '#2a3797',
    950: '#000000',
  },
}

SCSS

$custom: #2a3797;
$custom-light: #736db6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3797",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 232.844,
    "s": 56.477,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39066,
    "c": 0.15636,
    "h": 271.2
  },
  "luminance": 0.05459
}

Semantic roles & 50–950 ramp

primary

#2A3797

secondary

#BBB062

accent

#CE48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3797

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

Preview Lab → · Contrast checker → · Palette generator →