#2B3083#2B3083

#2B3083 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.0% C 0.137 H 274.5°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#2B3083
RGB	rgb(43, 48, 131)
HSL	hsl(237, 51%, 34%)
HSV	hsv(237, 67%, 51%)
CMYK	cmyk(67.2%, 63.4%, 0%, 48.6%)
CIE-LAB	lab(24.53, 26.01, -47.42)
CIE-LCH	lch(24.53, 54.09, 298.75°)
OKLab	oklab(35.99% 0.0108 -0.1366)
OKLCH	oklch(35.99% 0.137 274.5)
XYZ	xyz(6.1486, 4.2657, 21.9677)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3083 #837E2B

analogous

#2B5C83 #2B3083 #522B83

triadic

#2B3083 #832B30 #30832B

tetradic

#2B3083 #832B5C #837E2B #2B8352

square

#2B3083 #832B5C #837E2B #2B8352

split-complementary

#2B3083 #83522B #5C832B

monochromatic

#0D0E27 #1C1F55 #2B3083 #3A41B1 #5E64CA

Accessibility & contrast

On white

11.33

#2B3083 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2B3083 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3083

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3083	#FFFFFF	#000000	##FFFFFF
##2B3083	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#003681

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b3083;
/* rgb */ color: rgb(43, 48, 131);
/* oklch */ color: oklch(36.0% 0.137 274.5);

Tailwind

colors: {
  custom: {
    50: '#7068a8',
    500: '#2b3083',
    950: '#000000',
  },
}

SCSS

$custom: #2b3083;
$custom-light: #7068a8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3083",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 131
  },
  "hsl": {
    "h": 236.591,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35987,
    "c": 0.13707,
    "h": 274.5
  },
  "luminance": 0.04266
}

Semantic roles & 50–950 ramp

primary

#2B3083

secondary

#B0AB5A

accent

#D24EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2B3083

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

Preview Lab → · Contrast checker → · Palette generator →