#2B339A#2B339A

#2B339A is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.165 H 272.4°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#2B339A
RGB	rgb(43, 51, 154)
HSL	hsl(236, 56%, 39%)
HSV	hsv(236, 72%, 60%)
CMYK	cmyk(72.1%, 66.9%, 0%, 39.6%)
CIE-LAB	lab(27.33, 32.44, -57.07)
CIE-LCH	lch(27.33, 65.64, 299.61°)
OKLab	oklab(38.68% 0.007 -0.1649)
OKLCH	oklch(38.68% 0.165 272.4)
XYZ	xyz(8.0109, 5.2135, 31.1497)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B339A #9A922B

analogous

#2B6A9A #2B339A #5A2B9A

triadic

#2B339A #9A2B33 #339A2B

tetradic

#2B339A #9A2B6A #9A922B #2B9A5A

square

#2B339A #9A2B6A #9A922B #2B9A5A

split-complementary

#2B339A #9A5A2B #6A9A2B

monochromatic

#10133A #1E236A #2B339A #3A44C8 #6A72D5

Accessibility & contrast

On white

10.28

#2B339A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2B339A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B339A

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B339A	#FFFFFF	#000000	##FFFFFF
##2B339A	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469D

Deuteranopia (green-blind)

#003B98

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b339a;
/* rgb */ color: rgb(43, 51, 154);
/* oklch */ color: oklch(38.7% 0.165 272.4);

Tailwind

colors: {
  custom: {
    50: '#756bb9',
    500: '#2b339a',
    950: '#000000',
  },
}

SCSS

$custom: #2b339a;
$custom-light: #756bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b339a",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 154
  },
  "hsl": {
    "h": 235.676,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38676,
    "c": 0.16505,
    "h": 272.4
  },
  "luminance": 0.05214
}

Semantic roles & 50–950 ramp

primary

#2B339A

secondary

#BCB665

accent

#D548E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #2B339A

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

Preview Lab → · Contrast checker → · Palette generator →