#2B3CA8#2B3CA8

#2B3CA8 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.173 H 270.0°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CA8
RGB	rgb(43, 60, 168)
HSL	hsl(232, 59%, 41%)
HSV	hsv(232, 74%, 66%)
CMYK	cmyk(74.4%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(30.81, 31.71, -59.85)
CIE-LCH	lch(30.81, 67.73, 297.91°)
OKLab	oklab(41.61% 0 -0.173)
OKLCH	oklch(41.61% 0.173 270)
XYZ	xyz(9.6776, 6.5714, 37.7966)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3CA8 #A8972B

analogous

#2B7BA8 #2B3CA8 #592BA8

triadic

#2B3CA8 #A82B3C #3CA82B

tetradic

#2B3CA8 #A82B7B #A8972B #2BA859

square

#2B3CA8 #A82B7B #A8972B #2BA859

split-complementary

#2B3CA8 #A8592B #7BA82B

monochromatic

#121947 #1F2B77 #2B3CA8 #4255CF #7281DB

Accessibility & contrast

On white

9.07

#2B3CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2B3CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CA8

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CA8	#FFFFFF	#000000	##FFFFFF
##2B3CA8	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAB

Deuteranopia (green-blind)

#0043A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b3ca8;
/* rgb */ color: rgb(43, 60, 168);
/* oklch */ color: oklch(41.6% 0.173 270.0);

Tailwind

colors: {
  custom: {
    50: '#7771c3',
    500: '#2b3ca8',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ca8;
$custom-light: #7771c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ca8",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 231.84,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41609,
    "c": 0.17299,
    "h": 270
  },
  "luminance": 0.06572
}

Semantic roles & 50–950 ramp

primary

#2B3CA8

secondary

#C2B76C

accent

#CD45E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B3CA8

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

Preview Lab → · Contrast checker → · Palette generator →