#2B5BC7#2B5BC7

#2B5BC7 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.177 H 263.4°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BC7
RGB	rgb(43, 91, 199)
HSL	hsl(222, 64%, 47%)
HSV	hsv(222, 78%, 78%)
CMYK	cmyk(78.4%, 54.3%, 0%, 22%)
CIE-LAB	lab(41.40, 23.03, -60.86)
CIE-LCH	lch(41.40, 65.07, 290.73°)
OKLab	oklab(50.3% -0.0204 -0.1755)
OKLCH	oklch(50.3% 0.177 263.4)
XYZ	xyz(15.0425, 12.1175, 55.5679)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BC7 #C7972B

analogous

#2BA9C7 #2B5BC7 #492BC7

triadic

#2B5BC7 #C72B5B #5BC72B

tetradic

#2B5BC7 #C72BA9 #C7972B #2BC749

square

#2B5BC7 #C72BA9 #C7972B #2BC749

split-complementary

#2B5BC7 #C7492B #A9C72B

monochromatic

#152D62 #204495 #2B5BC7 #557EDA #87A4E5

Accessibility & contrast

On white

6.13

#2B5BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#2B5BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BC7

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BC7	#FFFFFF	#000000	##FFFFFF
##2B5BC7	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CB

Deuteranopia (green-blind)

#005BC5

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5bc7;
/* rgb */ color: rgb(43, 91, 199);
/* oklch */ color: oklch(50.3% 0.177 263.4);

Tailwind

colors: {
  custom: {
    50: '#7c88d9',
    500: '#2b5bc7',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bc7;
$custom-light: #7c88d9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bc7",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 199
  },
  "hsl": {
    "h": 221.538,
    "s": 64.463,
    "l": 47.451
  },
  "oklch": {
    "l": 0.50299,
    "c": 0.1767,
    "h": 263.4
  },
  "luminance": 0.12119
}

Semantic roles & 50–950 ramp

primary

#2B5BC7

secondary

#CFB67F

accent

#B440E7

background

#F8F8FD

surface

#EFEFFB

border

#CACAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2B5BC7

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

Preview Lab → · Contrast checker → · Palette generator →