#2B3BB8#2B3BB8

#2B3BB8 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.0% C 0.195 H 269.9°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B3BB8
RGB	rgb(43, 59, 184)
HSL	hsl(233, 62%, 45%)
HSV	hsv(233, 77%, 72%)
CMYK	cmyk(76.6%, 67.9%, 0%, 27.8%)
CIE-LAB	lab(32.04, 38.15, -67.38)
CIE-LCH	lch(32.04, 77.43, 299.52°)
OKLab	oklab(42.95% -0.0005 -0.195)
OKLCH	oklch(42.95% 0.195 269.9)
XYZ	xyz(11.2090, 7.1010, 46.1180)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3BB8 #B8A82B

analogous

#2B82B8 #2B3BB8 #612BB8

triadic

#2B3BB8 #B82B3B #3BB82B

tetradic

#2B3BB8 #B82B82 #B8A82B #2BB861

square

#2B3BB8 #B82B82 #B8A82B #2BB861

split-complementary

#2B3BB8 #B8612B #82B82B

monochromatic

#141B55 #1F2B86 #2B3BB8 #4B5BD5 #7D88E1

Accessibility & contrast

On white

8.68

#2B3BB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2B3BB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3BB8

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3BB8	#FFFFFF	#000000	##FFFFFF
##2B3BB8	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BC

Deuteranopia (green-blind)

#0045B6

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b3bb8;
/* rgb */ color: rgb(43, 59, 184);
/* oklch */ color: oklch(43.0% 0.195 269.9);

Tailwind

colors: {
  custom: {
    50: '#7b71ce',
    500: '#2b3bb8',
    950: '#000000',
  },
}

SCSS

$custom: #2b3bb8;
$custom-light: #7b71ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3bb8",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 184
  },
  "hsl": {
    "h": 233.191,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42952,
    "c": 0.19502,
    "h": 269.9
  },
  "luminance": 0.07102
}

Semantic roles & 50–950 ramp

primary

#2B3BB8

secondary

#C9C076

accent

#D343E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2B3BB8

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

Preview Lab → · Contrast checker → · Palette generator →