#2B3DB8#2B3DB8

#2B3DB8 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.193 H 269.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DB8
RGB	rgb(43, 61, 184)
HSL	hsl(232, 62%, 45%)
HSV	hsv(232, 77%, 72%)
CMYK	cmyk(76.6%, 66.8%, 0%, 27.8%)
CIE-LAB	lab(32.50, 36.89, -66.61)
CIE-LCH	lch(32.50, 76.14, 298.98°)
OKLab	oklab(43.29% -0.0016 -0.1928)
OKLCH	oklch(43.29% 0.193 269.5)
XYZ	xyz(11.3138, 7.3105, 46.1529)
Luminance	0.0731 (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

#2B3DB8 #B8A62B

analogous

#2B84B8 #2B3DB8 #5F2BB8

triadic

#2B3DB8 #B82B3D #3DB82B

tetradic

#2B3DB8 #B82B84 #B8A62B #2BB85F

square

#2B3DB8 #B82B84 #B8A62B #2BB85F

split-complementary

#2B3DB8 #B85F2B #84B82B

monochromatic

#141C55 #1F2D86 #2B3DB8 #4B5DD5 #7D8AE1

Accessibility & contrast

On white

8.53

#2B3DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2B3DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DB8

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DB8	#FFFFFF	#000000	##FFFFFF
##2B3DB8	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#0046B6

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b3db8;
/* rgb */ color: rgb(43, 61, 184);
/* oklch */ color: oklch(43.3% 0.193 269.5);

Tailwind

colors: {
  custom: {
    50: '#7b72ce',
    500: '#2b3db8',
    950: '#000000',
  },
}

SCSS

$custom: #2b3db8;
$custom-light: #7b72ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3db8",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 184
  },
  "hsl": {
    "h": 232.34,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43293,
    "c": 0.19277,
    "h": 269.5
  },
  "luminance": 0.07312
}

Semantic roles & 50–950 ramp

primary

#2B3DB8

secondary

#C9BE76

accent

#D043E5

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2B3DB8

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

Preview Lab → · Contrast checker → · Palette generator →