#2B338C#2B338C

#2B338C is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.146 H 273.1°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B338C
RGB	rgb(43, 51, 140)
HSL	hsl(235, 53%, 36%)
HSV	hsv(235, 69%, 55%)
CMYK	cmyk(69.3%, 63.6%, 0%, 45.1%)
CIE-LAB	lab(26.08, 27.32, -50.50)
CIE-LCH	lch(26.08, 57.42, 298.41°)
OKLab	oklab(37.37% 0.0079 -0.1457)
OKLCH	oklch(37.37% 0.146 273.1)
XYZ	xyz(6.9121, 4.7741, 25.3631)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B338C #8C842B

analogous

#2B638C #2B338C #532B8C

triadic

#2B338C #8C2B33 #338C2B

tetradic

#2B338C #8C2B63 #8C842B #2B8C53

square

#2B338C #8C2B63 #8C842B #2B8C53

split-complementary

#2B338C #8C532B #638C2B

monochromatic

#0E112E #1D225D #2B338C #3944BB #626BCF

Accessibility & contrast

On white

10.74

#2B338C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2B338C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B338C

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B338C	#FFFFFF	#000000	##FFFFFF
##2B338C	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428F

Deuteranopia (green-blind)

#00398A

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b338c;
/* rgb */ color: rgb(43, 51, 140);
/* oklch */ color: oklch(37.4% 0.146 273.1);

Tailwind

colors: {
  custom: {
    50: '#716aae',
    500: '#2b338c',
    950: '#000000',
  },
}

SCSS

$custom: #2b338c;
$custom-light: #716aae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b338c",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 140
  },
  "hsl": {
    "h": 235.052,
    "s": 53.005,
    "l": 35.882
  },
  "oklch": {
    "l": 0.3737,
    "c": 0.14587,
    "h": 273.1
  },
  "luminance": 0.04775
}

Semantic roles & 50–950 ramp

primary

#2B338C

secondary

#B5AE5E

accent

#D04BDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2B338C

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

Preview Lab → · Contrast checker → · Palette generator →