#2B43B7#2B43B7

#2B43B7 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.185 H 268.4°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B43B7
RGB	rgb(43, 67, 183)
HSL	hsl(230, 62%, 44%)
HSV	hsv(230, 77%, 72%)
CMYK	cmyk(76.5%, 63.4%, 0%, 28.2%)
CIE-LAB	lab(33.87, 32.69, -63.78)
CIE-LCH	lch(33.87, 71.67, 297.14°)
OKLab	oklab(44.27% -0.005 -0.1844)
OKLCH	oklch(44.27% 0.185 268.4)
XYZ	xyz(11.5477, 7.9455, 45.7156)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43B7 #B79F2B

analogous

#2B89B7 #2B43B7 #592BB7

triadic

#2B43B7 #B72B43 #43B72B

tetradic

#2B43B7 #B72B89 #B79F2B #2BB759

square

#2B43B7 #B72B89 #B79F2B #2BB759

split-complementary

#2B43B7 #B7592B #89B72B

monochromatic

#141F54 #1F3185 #2B43B7 #4B62D5 #7C8DE0

Accessibility & contrast

On white

8.11

#2B43B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2B43B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43B7

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43B7	#FFFFFF	#000000	##FFFFFF
##2B43B7	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#0049B5

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b43b7;
/* rgb */ color: rgb(43, 67, 183);
/* oklch */ color: oklch(44.3% 0.185 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a77ce',
    500: '#2b43b7',
    950: '#000000',
  },
}

SCSS

$custom: #2b43b7;
$custom-light: #7a77ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43b7",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 183
  },
  "hsl": {
    "h": 229.714,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44267,
    "c": 0.18451,
    "h": 268.4
  },
  "luminance": 0.07947
}

Semantic roles & 50–950 ramp

primary

#2B43B7

secondary

#C9BA75

accent

#C943E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2B43B7

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

Preview Lab → · Contrast checker → · Palette generator →