#2B3BA9#2B3BA9

#2B3BA9 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.176 H 270.2°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BA9
RGB	rgb(43, 59, 169)
HSL	hsl(232, 59%, 42%)
HSV	hsv(232, 75%, 66%)
CMYK	cmyk(74.6%, 65.1%, 0%, 33.7%)
CIE-LAB	lab(30.65, 32.72, -60.71)
CIE-LCH	lch(30.65, 68.97, 298.32°)
OKLab	oklab(41.52% 0.0006 -0.1755)
OKLCH	oklch(41.52% 0.176 270.2)
XYZ	xyz(9.7192, 6.5051, 38.2718)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BA9 #A9992B

analogous

#2B7AA9 #2B3BA9 #5A2BA9

triadic

#2B3BA9 #A92B3B #3BA92B

tetradic

#2B3BA9 #A92B7A #A9992B #2BA95A

square

#2B3BA9 #A92B7A #A9992B #2BA95A

split-complementary

#2B3BA9 #A95A2B #7AA92B

monochromatic

#121947 #1F2A78 #2B3BA9 #4254CF #7380DB

Accessibility & contrast

On white

9.13

#2B3BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2B3BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BA9

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BA9	#FFFFFF	#000000	##FFFFFF
##2B3BA9	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAC

Deuteranopia (green-blind)

#0042A7

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b3ba9;
/* rgb */ color: rgb(43, 59, 169);
/* oklch */ color: oklch(41.5% 0.176 270.2);

Tailwind

colors: {
  custom: {
    50: '#7871c4',
    500: '#2b3ba9',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ba9;
$custom-light: #7871c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ba9",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 169
  },
  "hsl": {
    "h": 232.381,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41521,
    "c": 0.17552,
    "h": 270.2
  },
  "luminance": 0.06506
}

Semantic roles & 50–950 ramp

primary

#2B3BA9

secondary

#C3B86D

accent

#CF45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B3BA9

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

Preview Lab → · Contrast checker → · Palette generator →