#2B3EB5#2B3EB5

#2B3EB5 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.188 H 269.4°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EB5
RGB	rgb(43, 62, 181)
HSL	hsl(232, 62%, 44%)
HSV	hsv(232, 76%, 71%)
CMYK	cmyk(76.2%, 65.7%, 0%, 29%)
CIE-LAB	lab(32.47, 35.17, -64.89)
CIE-LCH	lch(32.47, 73.81, 298.46°)
OKLab	oklab(43.18% -0.0019 -0.1877)
OKLCH	oklch(43.18% 0.188 269.4)
XYZ	xyz(11.0565, 7.2938, 44.5322)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EB5 #B5A22B

analogous

#2B83B5 #2B3EB5 #5D2BB5

triadic

#2B3EB5 #B52B3E #3EB52B

tetradic

#2B3EB5 #B52B83 #B5A22B #2BB55D

square

#2B3EB5 #B52B83 #B5A22B #2BB55D

split-complementary

#2B3EB5 #B55D2B #83B52B

monochromatic

#141C52 #1F2D84 #2B3EB5 #495CD4 #7B89E0

Accessibility & contrast

On white

8.54

#2B3EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2B3EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EB5

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EB5	#FFFFFF	#000000	##FFFFFF
##2B3EB5	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0046B3

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b3eb5;
/* rgb */ color: rgb(43, 62, 181);
/* oklch */ color: oklch(43.2% 0.188 269.4);

Tailwind

colors: {
  custom: {
    50: '#7a73cc',
    500: '#2b3eb5',
    950: '#000000',
  },
}

SCSS

$custom: #2b3eb5;
$custom-light: #7a73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3eb5",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 181
  },
  "hsl": {
    "h": 231.739,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43182,
    "c": 0.18775,
    "h": 269.4
  },
  "luminance": 0.07295
}

Semantic roles & 50–950 ramp

primary

#2B3EB5

secondary

#C8BC74

accent

#CE43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B3EB5

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

Preview Lab → · Contrast checker → · Palette generator →