#2B3CB8#2B3CB8

#2B3CB8 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.1% C 0.194 H 269.7°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B3CB8
RGB	rgb(43, 60, 184)
HSL	hsl(233, 62%, 45%)
HSV	hsv(233, 77%, 72%)
CMYK	cmyk(76.6%, 67.4%, 0%, 27.8%)
CIE-LAB	lab(32.27, 37.52, -67.00)
CIE-LCH	lch(32.27, 76.79, 299.25°)
OKLab	oklab(43.12% -0.001 -0.1939)
OKLCH	oklch(43.12% 0.194 269.7)
XYZ	xyz(11.2609, 7.2048, 46.1353)
Luminance	0.0721 (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

#2B3CB8 #B8A72B

analogous

#2B83B8 #2B3CB8 #612BB8

triadic

#2B3CB8 #B82B3C #3CB82B

tetradic

#2B3CB8 #B82B83 #B8A72B #2BB861

square

#2B3CB8 #B82B83 #B8A72B #2BB861

split-complementary

#2B3CB8 #B8612B #83B82B

monochromatic

#141C55 #1F2C86 #2B3CB8 #4B5CD5 #7D89E1

Accessibility & contrast

On white

8.60

#2B3CB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2B3CB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3CB8

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3CB8	#FFFFFF	#000000	##FFFFFF
##2B3CB8	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#0045B6

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b3cb8;
/* rgb */ color: rgb(43, 60, 184);
/* oklch */ color: oklch(43.1% 0.194 269.7);

Tailwind

colors: {
  custom: {
    50: '#7b72ce',
    500: '#2b3cb8',
    950: '#000000',
  },
}

SCSS

$custom: #2b3cb8;
$custom-light: #7b72ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3cb8",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 184
  },
  "hsl": {
    "h": 232.766,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43122,
    "c": 0.19389,
    "h": 269.7
  },
  "luminance": 0.07206
}

Semantic roles & 50–950 ramp

primary

#2B3CB8

secondary

#C9BF76

accent

#D243E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2B3CB8

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

Preview Lab → · Contrast checker → · Palette generator →