#2B3CA9#2B3CA9

#2B3CA9 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.174 H 270.0°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CA9
RGB	rgb(43, 60, 169)
HSL	hsl(232, 59%, 42%)
HSV	hsv(232, 75%, 66%)
CMYK	cmyk(74.6%, 64.5%, 0%, 33.7%)
CIE-LAB	lab(30.90, 32.08, -60.31)
CIE-LCH	lch(30.90, 68.31, 298.01°)
OKLab	oklab(41.7% 0 -0.1743)
OKLCH	oklch(41.7% 0.174 270)
XYZ	xyz(9.7711, 6.6088, 38.2891)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3CA9 #A9982B

analogous

#2B7BA9 #2B3CA9 #592BA9

triadic

#2B3CA9 #A92B3C #3CA92B

tetradic

#2B3CA9 #A92B7B #A9982B #2BA959

square

#2B3CA9 #A92B7B #A9982B #2BA959

split-complementary

#2B3CA9 #A9592B #7BA92B

monochromatic

#121947 #1F2B78 #2B3CA9 #4255CF #7381DB

Accessibility & contrast

On white

9.04

#2B3CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2B3CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CA9

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CA9	#FFFFFF	#000000	##FFFFFF
##2B3CA9	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAC

Deuteranopia (green-blind)

#0043A7

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b3ca9;
/* rgb */ color: rgb(43, 60, 169);
/* oklch */ color: oklch(41.7% 0.174 270.0);

Tailwind

colors: {
  custom: {
    50: '#7771c4',
    500: '#2b3ca9',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ca9;
$custom-light: #7771c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ca9",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 169
  },
  "hsl": {
    "h": 231.905,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41702,
    "c": 0.17433,
    "h": 270
  },
  "luminance": 0.0661
}

Semantic roles & 50–950 ramp

primary

#2B3CA9

secondary

#C3B76D

accent

#CD45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B3CA9

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

Preview Lab → · Contrast checker → · Palette generator →