#2B30AB#2B30AB

#2B30AB is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.191 H 272.0°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B30AB
RGB	rgb(43, 48, 171)
HSL	hsl(238, 60%, 42%)
HSV	hsv(238, 75%, 67%)
CMYK	cmyk(74.9%, 71.9%, 0%, 32.9%)
CIE-LAB	lab(28.29, 40.32, -65.79)
CIE-LCH	lch(28.29, 77.16, 301.50°)
OKLab	oklab(39.87% 0.0068 -0.1904)
OKLCH	oklch(39.87% 0.191 272)
XYZ	xyz(9.4014, 5.5668, 39.0992)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B30AB #ABA62B

analogous

#2B70AB #2B30AB #662BAB

triadic

#2B30AB #AB2B30 #30AB2B

tetradic

#2B30AB #AB2B70 #ABA62B #2BAB66

square

#2B30AB #AB2B70 #ABA62B #2BAB66

split-complementary

#2B30AB #AB662B #70AB2B

monochromatic

#121549 #1F227A #2B30AB #4349D0 #7478DC

Accessibility & contrast

On white

9.94

#2B30AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2B30AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B30AB

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B30AB	#FFFFFF	#000000	##FFFFFF
##2B30AB	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AF

Deuteranopia (green-blind)

#003DA9

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b30ab;
/* rgb */ color: rgb(43, 48, 171);
/* oklch */ color: oklch(39.9% 0.191 272.0);

Tailwind

colors: {
  custom: {
    50: '#7969c5',
    500: '#2b30ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b30ab;
$custom-light: #7969c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b30ab",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 171
  },
  "hsl": {
    "h": 237.656,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39867,
    "c": 0.1905,
    "h": 272
  },
  "luminance": 0.05568
}

Semantic roles & 50–950 ramp

primary

#2B30AB

secondary

#C4C06E

accent

#DD45E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2B30AB

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

Preview Lab → · Contrast checker → · Palette generator →