#2B43B5#2B43B5

#2B43B5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.182 H 268.4°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B43B5
RGB	rgb(43, 67, 181)
HSL	hsl(230, 62%, 44%)
HSV	hsv(230, 76%, 71%)
CMYK	cmyk(76.2%, 63%, 0%, 29%)
CIE-LAB	lab(33.70, 31.95, -62.88)
CIE-LCH	lch(33.70, 70.53, 296.94°)
OKLab	oklab(44.09% -0.005 -0.1818)
OKLCH	oklch(44.09% 0.182 268.4)
XYZ	xyz(11.3410, 7.8628, 44.6271)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43B5 #B59D2B

analogous

#2B88B5 #2B43B5 #582BB5

triadic

#2B43B5 #B52B43 #43B52B

tetradic

#2B43B5 #B52B88 #B59D2B #2BB558

square

#2B43B5 #B52B88 #B59D2B #2BB558

split-complementary

#2B43B5 #B5582B #88B52B

monochromatic

#141E52 #1F3184 #2B43B5 #4961D4 #7B8CE0

Accessibility & contrast

On white

8.16

#2B43B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2B43B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43B5

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43B5	#FFFFFF	#000000	##FFFFFF
##2B43B5	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#0049B3

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b43b5;
/* rgb */ color: rgb(43, 67, 181);
/* oklch */ color: oklch(44.1% 0.182 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a77cc',
    500: '#2b43b5',
    950: '#000000',
  },
}

SCSS

$custom: #2b43b5;
$custom-light: #7a77cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43b5",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 181
  },
  "hsl": {
    "h": 229.565,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44085,
    "c": 0.18187,
    "h": 268.4
  },
  "luminance": 0.07864
}

Semantic roles & 50–950 ramp

primary

#2B43B5

secondary

#C8B974

accent

#C943E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B43B5

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

Preview Lab → · Contrast checker → · Palette generator →