#2B338A#2B338A

#2B338A is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.2% C 0.143 H 273.2°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B338A
RGB	rgb(43, 51, 138)
HSL	hsl(235, 52%, 35%)
HSV	hsv(235, 69%, 54%)
CMYK	cmyk(68.8%, 63%, 0%, 45.9%)
CIE-LAB	lab(25.91, 26.58, -49.54)
CIE-LCH	lch(25.91, 56.22, 298.21°)
OKLab	oklab(37.19% 0.008 -0.1428)
OKLCH	oklch(37.19% 0.143 273.2)
XYZ	xyz(6.7660, 4.7156, 24.5935)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B338A #8A822B

analogous

#2B638A #2B338A #522B8A

triadic

#2B338A #8A2B33 #338A2B

tetradic

#2B338A #8A2B63 #8A822B #2B8A52

square

#2B338A #8A2B63 #8A822B #2B8A52

split-complementary

#2B338A #8A522B #638A2B

monochromatic

#0E112D #1C225B #2B338A #3A44B9 #616BCE

Accessibility & contrast

On white

10.81

#2B338A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2B338A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B338A

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B338A	#FFFFFF	#000000	##FFFFFF
##2B338A	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b338a;
/* rgb */ color: rgb(43, 51, 138);
/* oklch */ color: oklch(37.2% 0.143 273.2);

Tailwind

colors: {
  custom: {
    50: '#716aad',
    500: '#2b338a',
    950: '#000000',
  },
}

SCSS

$custom: #2b338a;
$custom-light: #716aad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b338a",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 138
  },
  "hsl": {
    "h": 234.947,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.3719,
    "c": 0.14306,
    "h": 273.2
  },
  "luminance": 0.04716
}

Semantic roles & 50–950 ramp

primary

#2B338A

secondary

#B4AD5D

accent

#D04CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2B338A

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

Preview Lab → · Contrast checker → · Palette generator →