#2B50AB#2B50AB

#2B50AB is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.8% C 0.152 H 264.5°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B50AB
RGB	rgb(43, 80, 171)
HSL	hsl(223, 60%, 42%)
HSV	hsv(223, 75%, 67%)
CMYK	cmyk(74.9%, 53.2%, 0%, 32.9%)
CIE-LAB	lab(36.35, 19.59, -52.63)
CIE-LCH	lch(36.35, 56.16, 290.42°)
OKLab	oklab(45.82% -0.0147 -0.1515)
OKLCH	oklch(45.82% 0.152 264.5)
XYZ	xyz(11.2130, 9.1900, 39.7031)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B50AB #AB862B

analogous

#2B90AB #2B50AB #462BAB

triadic

#2B50AB #AB2B50 #50AB2B

tetradic

#2B50AB #AB2B90 #AB862B #2BAB46

square

#2B50AB #AB2B90 #AB862B #2BAB46

split-complementary

#2B50AB #AB462B #90AB2B

monochromatic

#122249 #1F397A #2B50AB #436CD0 #7492DC

Accessibility & contrast

On white

7.40

#2B50AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2B50AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B50AB

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B50AB	#FFFFFF	#000000	##FFFFFF
##2B50AB	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5CAE

Deuteranopia (green-blind)

#0050A9

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b50ab;
/* rgb */ color: rgb(43, 80, 171);
/* oklch */ color: oklch(45.8% 0.152 264.5);

Tailwind

colors: {
  custom: {
    50: '#7780c5',
    500: '#2b50ab',
    950: '#000000',
  },
}

SCSS

$custom: #2b50ab;
$custom-light: #7780c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b50ab",
  "rgb": {
    "r": 43,
    "g": 80,
    "b": 171
  },
  "hsl": {
    "h": 222.656,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45823,
    "c": 0.15222,
    "h": 264.5
  },
  "luminance": 0.09191
}

Semantic roles & 50–950 ramp

primary

#2B50AB

secondary

#C4AB6E

accent

#B545E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B50AB

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

Preview Lab → · Contrast checker → · Palette generator →