#2B3EB2#2B3EB2

#2B3EB2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.184 H 269.5°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EB2
RGB	rgb(43, 62, 178)
HSL	hsl(232, 61%, 43%)
HSV	hsv(232, 76%, 70%)
CMYK	cmyk(75.8%, 65.2%, 0%, 30.2%)
CIE-LAB	lab(32.20, 34.08, -63.56)
CIE-LCH	lch(32.20, 72.12, 298.20°)
OKLab	oklab(42.9% -0.0018 -0.1838)
OKLCH	oklch(42.9% 0.184 269.5)
XYZ	xyz(10.7520, 7.1720, 42.9285)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EB2 #B29F2B

analogous

#2B81B2 #2B3EB2 #5C2BB2

triadic

#2B3EB2 #B22B3E #3EB22B

tetradic

#2B3EB2 #B22B81 #B29F2B #2BB25C

square

#2B3EB2 #B22B81 #B29F2B #2BB25C

split-complementary

#2B3EB2 #B25C2B #81B22B

monochromatic

#131C4F #1F2D81 #2B3EB2 #485BD3 #7987DF

Accessibility & contrast

On white

8.63

#2B3EB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2B3EB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EB2

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EB2	#FFFFFF	#000000	##FFFFFF
##2B3EB2	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0045B0

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b3eb2;
/* rgb */ color: rgb(43, 62, 178);
/* oklch */ color: oklch(42.9% 0.184 269.5);

Tailwind

colors: {
  custom: {
    50: '#7973ca',
    500: '#2b3eb2',
    950: '#000000',
  },
}

SCSS

$custom: #2b3eb2;
$custom-light: #7973ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3eb2",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 178
  },
  "hsl": {
    "h": 231.556,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.429,
    "c": 0.18384,
    "h": 269.5
  },
  "luminance": 0.07173
}

Semantic roles & 50–950 ramp

primary

#2B3EB2

secondary

#C7BB72

accent

#CE44E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B3EB2

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

Preview Lab → · Contrast checker → · Palette generator →