#2B50B1#2B50B1

#2B50B1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.161 H 264.9°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#2B50B1
RGB	rgb(43, 80, 177)
HSL	hsl(223, 61%, 43%)
HSV	hsv(223, 76%, 69%)
CMYK	cmyk(75.7%, 54.8%, 0%, 30.6%)
CIE-LAB	lab(36.79, 21.88, -55.47)
CIE-LCH	lch(36.79, 59.63, 291.53°)
OKLab	oklab(46.3% -0.0142 -0.1599)
OKLCH	oklch(46.3% 0.161 264.9)
XYZ	xyz(11.7979, 9.4239, 42.7837)
Luminance	0.0943 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B50B1 #B18C2B

analogous

#2B93B1 #2B50B1 #492BB1

triadic

#2B50B1 #B12B50 #50B12B

tetradic

#2B50B1 #B12B93 #B18C2B #2BB149

square

#2B50B1 #B12B93 #B18C2B #2BB149

split-complementary

#2B50B1 #B1492B #93B12B

monochromatic

#13234F #1F3A80 #2B50B1 #476DD2 #7894DE

Accessibility & contrast

On white

7.28

#2B50B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#2B50B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B50B1

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B50B1	#FFFFFF	#000000	##FFFFFF
##2B50B1	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB4

Deuteranopia (green-blind)

#0051AF

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2b50b1;
/* rgb */ color: rgb(43, 80, 177);
/* oklch */ color: oklch(46.3% 0.161 264.9);

Tailwind

colors: {
  custom: {
    50: '#7880c9',
    500: '#2b50b1',
    950: '#000000',
  },
}

SCSS

$custom: #2b50b1;
$custom-light: #7880c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b50b1",
  "rgb": {
    "r": 43,
    "g": 80,
    "b": 177
  },
  "hsl": {
    "h": 223.433,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46296,
    "c": 0.1605,
    "h": 264.9
  },
  "luminance": 0.09425
}

Semantic roles & 50–950 ramp

primary

#2B50B1

secondary

#C6AF72

accent

#B844E4

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B50B1

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

Preview Lab → · Contrast checker → · Palette generator →