#2B338D#2B338D

#2B338D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.147 H 273.1°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#2B338D
RGB	rgb(43, 51, 141)
HSL	hsl(235, 53%, 36%)
HSV	hsv(235, 70%, 55%)
CMYK	cmyk(69.5%, 63.8%, 0%, 44.7%)
CIE-LAB	lab(26.17, 27.69, -50.98)
CIE-LCH	lch(26.17, 58.02, 298.50°)
OKLab	oklab(37.46% 0.0079 -0.1471)
OKLCH	oklch(37.46% 0.147 273.1)
XYZ	xyz(6.9862, 4.8037, 25.7532)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B338D #8D852B

analogous

#2B648D #2B338D #542B8D

triadic

#2B338D #8D2B33 #338D2B

tetradic

#2B338D #8D2B64 #8D852B #2B8D54

square

#2B338D #8D2B64 #8D852B #2B8D54

split-complementary

#2B338D #8D542B #648D2B

monochromatic

#0E112F #1D225E #2B338D #3944BC #636CCF

Accessibility & contrast

On white

10.71

#2B338D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2B338D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B338D

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B338D	#FFFFFF	#000000	##FFFFFF
##2B338D	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b338d;
/* rgb */ color: rgb(43, 51, 141);
/* oklch */ color: oklch(37.5% 0.147 273.1);

Tailwind

colors: {
  custom: {
    50: '#726aaf',
    500: '#2b338d',
    950: '#000000',
  },
}

SCSS

$custom: #2b338d;
$custom-light: #726aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b338d",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 141
  },
  "hsl": {
    "h": 235.102,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37461,
    "c": 0.14728,
    "h": 273.1
  },
  "luminance": 0.04804
}

Semantic roles & 50–950 ramp

primary

#2B338D

secondary

#B6AE5E

accent

#D14BDD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2B338D

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

Preview Lab → · Contrast checker → · Palette generator →