#2A3397#2A3397

#2A3397 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.3% C 0.161 H 272.2°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#2A3397
RGB	rgb(42, 51, 151)
HSL	hsl(235, 56%, 38%)
HSV	hsv(235, 72%, 59%)
CMYK	cmyk(72.2%, 66.2%, 0%, 40.8%)
CIE-LAB	lab(27.00, 31.22, -55.79)
CIE-LCH	lch(27.00, 63.93, 299.23°)
OKLab	oklab(38.33% 0.0061 -0.1612)
OKLCH	oklch(38.33% 0.161 272.2)
XYZ	xyz(7.7227, 5.0935, 29.8483)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3397 #978E2A

analogous

#2A6997 #2A3397 #572A97

triadic

#2A3397 #972A33 #33972A

tetradic

#2A3397 #972A69 #978E2A #2A9757

square

#2A3397 #972A69 #978E2A #2A9757

split-complementary

#2A3397 #97572A #69972A

monochromatic

#0F1337 #1D2367 #2A3397 #3743C7 #6770D5

Accessibility & contrast

On white

10.40

#2A3397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2A3397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3397

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3397	#FFFFFF	#000000	##FFFFFF
##2A3397	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459A

Deuteranopia (green-blind)

#003B95

Tritanopia (blue-blind)

#004D60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a3397;
/* rgb */ color: rgb(42, 51, 151);
/* oklch */ color: oklch(38.3% 0.161 272.2);

Tailwind

colors: {
  custom: {
    50: '#746bb7',
    500: '#2a3397',
    950: '#000000',
  },
}

SCSS

$custom: #2a3397;
$custom-light: #746bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3397",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 151
  },
  "hsl": {
    "h": 235.046,
    "s": 56.477,
    "l": 37.843
  },
  "oklch": {
    "l": 0.3833,
    "c": 0.16129,
    "h": 272.2
  },
  "luminance": 0.05094
}

Semantic roles & 50–950 ramp

primary

#2A3397

secondary

#BBB462

accent

#D348E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2A3397

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

Preview Lab → · Contrast checker → · Palette generator →