#2B3197#2B3197

#2B3197 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.163 H 273.0°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#2B3197
RGB	rgb(43, 49, 151)
HSL	hsl(237, 56%, 38%)
HSV	hsv(237, 72%, 59%)
CMYK	cmyk(71.5%, 67.5%, 0%, 40.8%)
CIE-LAB	lab(26.57, 32.64, -56.48)
CIE-LCH	lch(26.57, 65.23, 300.02°)
OKLab	oklab(38.04% 0.0086 -0.1632)
OKLCH	oklch(38.04% 0.163 273)
XYZ	xyz(7.6786, 4.9438, 29.8217)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3197 #97912B

analogous

#2B6797 #2B3197 #5B2B97

triadic

#2B3197 #972B31 #31972B

tetradic

#2B3197 #972B67 #97912B #2B975B

square

#2B3197 #972B67 #97912B #2B975B

split-complementary

#2B3197 #975B2B #67972B

monochromatic

#101238 #1D2267 #2B3197 #3941C7 #686ED4

Accessibility & contrast

On white

10.56

#2B3197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2B3197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3197

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3197	#FFFFFF	#000000	##FFFFFF
##2B3197	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449A

Deuteranopia (green-blind)

#003A95

Tritanopia (blue-blind)

#004C5F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3197;
/* rgb */ color: rgb(43, 49, 151);
/* oklch */ color: oklch(38.0% 0.163 273.0);

Tailwind

colors: {
  custom: {
    50: '#7469b7',
    500: '#2b3197',
    950: '#000000',
  },
}

SCSS

$custom: #2b3197;
$custom-light: #7469b7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3197",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 151
  },
  "hsl": {
    "h": 236.667,
    "s": 55.67,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38037,
    "c": 0.16342,
    "h": 273
  },
  "luminance": 0.04945
}

Semantic roles & 50–950 ramp

primary

#2B3197

secondary

#BBB663

accent

#D749DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3197

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

Preview Lab → · Contrast checker → · Palette generator →