#2B338B#2B338B

#2B338B is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.144 H 273.1°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B338B
RGB	rgb(43, 51, 139)
HSL	hsl(235, 53%, 36%)
HSV	hsv(235, 69%, 55%)
CMYK	cmyk(69.1%, 63.3%, 0%, 45.5%)
CIE-LAB	lab(25.99, 26.95, -50.03)
CIE-LCH	lch(25.99, 56.82, 298.31°)
OKLab	oklab(37.28% 0.0079 -0.1443)
OKLCH	oklch(37.28% 0.144 273.1)
XYZ	xyz(6.8387, 4.7447, 24.9765)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B338B #8B832B

analogous

#2B638B #2B338B #532B8B

triadic

#2B338B #8B2B33 #338B2B

tetradic

#2B338B #8B2B63 #8B832B #2B8B53

square

#2B338B #8B2B63 #8B832B #2B8B53

split-complementary

#2B338B #8B532B #638B2B

monochromatic

#0E112E #1D225C #2B338B #3944BA #626BCE

Accessibility & contrast

On white

10.77

#2B338B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2B338B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B338B

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B338B	#FFFFFF	#000000	##FFFFFF
##2B338B	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#003989

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b338b;
/* rgb */ color: rgb(43, 51, 139);
/* oklch */ color: oklch(37.3% 0.144 273.1);

Tailwind

colors: {
  custom: {
    50: '#716aae',
    500: '#2b338b',
    950: '#000000',
  },
}

SCSS

$custom: #2b338b;
$custom-light: #716aae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b338b",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 139
  },
  "hsl": {
    "h": 235,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.3728,
    "c": 0.14448,
    "h": 273.1
  },
  "luminance": 0.04745
}

Semantic roles & 50–950 ramp

primary

#2B338B

secondary

#B5AD5D

accent

#D04CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2B338B

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

Preview Lab → · Contrast checker → · Palette generator →