#2B338F#2B338F

#2B338F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.150 H 273.0°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#2B338F
RGB	rgb(43, 51, 143)
HSL	hsl(235, 54%, 36%)
HSV	hsv(235, 70%, 56%)
CMYK	cmyk(69.9%, 64.3%, 0%, 43.9%)
CIE-LAB	lab(26.34, 28.42, -51.93)
CIE-LCH	lch(26.34, 59.20, 298.69°)
OKLab	oklab(37.64% 0.0078 -0.1499)
OKLCH	oklch(37.64% 0.15 273)
XYZ	xyz(7.1364, 4.8637, 26.5440)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B338F #8F872B

analogous

#2B658F #2B338F #552B8F

triadic

#2B338F #8F2B33 #338F2B

tetradic

#2B338F #8F2B65 #8F872B #2B8F55

square

#2B338F #8F2B65 #8F872B #2B8F55

split-complementary

#2B338F #8F552B #658F2B

monochromatic

#0F1131 #1D2260 #2B338F #3944BE #646DD0

Accessibility & contrast

On white

10.64

#2B338F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B338F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B338F

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B338F	#FFFFFF	#000000	##FFFFFF
##2B338F	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004392

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b338f;
/* rgb */ color: rgb(43, 51, 143);
/* oklch */ color: oklch(37.6% 0.150 273.0);

Tailwind

colors: {
  custom: {
    50: '#726ab1',
    500: '#2b338f',
    950: '#000000',
  },
}

SCSS

$custom: #2b338f;
$custom-light: #726ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b338f",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 143
  },
  "hsl": {
    "h": 235.2,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37644,
    "c": 0.15006,
    "h": 273
  },
  "luminance": 0.04864
}

Semantic roles & 50–950 ramp

primary

#2B338F

secondary

#B7B05F

accent

#D14BDD

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B338F

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

Preview Lab → · Contrast checker → · Palette generator →