#2B3198#2B3198

#2B3198 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.165 H 273.0°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#2B3198
RGB	rgb(43, 49, 152)
HSL	hsl(237, 56%, 38%)
HSV	hsv(237, 72%, 60%)
CMYK	cmyk(71.7%, 67.8%, 0%, 40.4%)
CIE-LAB	lab(26.67, 33.00, -56.94)
CIE-LCH	lch(26.67, 65.81, 300.09°)
OKLab	oklab(38.13% 0.0085 -0.1645)
OKLCH	oklch(38.13% 0.165 273)
XYZ	xyz(7.7602, 4.9765, 30.2513)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3198 #98922B

analogous

#2B6798 #2B3198 #5B2B98

triadic

#2B3198 #982B31 #31982B

tetradic

#2B3198 #982B67 #98922B #2B985B

square

#2B3198 #982B67 #98922B #2B985B

split-complementary

#2B3198 #985B2B #67982B

monochromatic

#101239 #1E2268 #2B3198 #3941C7 #696FD5

Accessibility & contrast

On white

10.52

#2B3198 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2B3198 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3198

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3198	#FFFFFF	#000000	##FFFFFF
##2B3198	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449B

Deuteranopia (green-blind)

#003A96

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3198;
/* rgb */ color: rgb(43, 49, 152);
/* oklch */ color: oklch(38.1% 0.165 273.0);

Tailwind

colors: {
  custom: {
    50: '#7469b7',
    500: '#2b3198',
    950: '#000000',
  },
}

SCSS

$custom: #2b3198;
$custom-light: #7469b7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3198",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 152
  },
  "hsl": {
    "h": 236.697,
    "s": 55.897,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38133,
    "c": 0.16475,
    "h": 273
  },
  "luminance": 0.04977
}

Semantic roles & 50–950 ramp

primary

#2B3198

secondary

#BBB664

accent

#D749DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3198

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

Preview Lab → · Contrast checker → · Palette generator →