#2B5BC8#2B5BC8

#2B5BC8 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.178 H 263.4°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BC8
RGB	rgb(43, 91, 200)
HSL	hsl(222, 65%, 48%)
HSV	hsv(222, 79%, 78%)
CMYK	cmyk(78.5%, 54.5%, 0%, 21.6%)
CIE-LAB	lab(41.48, 23.41, -61.32)
CIE-LCH	lch(41.48, 65.63, 290.90°)
OKLab	oklab(50.38% -0.0204 -0.1769)
OKLCH	oklch(50.38% 0.178 263.4)
XYZ	xyz(15.1589, 12.1641, 56.1814)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BC8 #C8982B

analogous

#2BA9C8 #2B5BC8 #492BC8

triadic

#2B5BC8 #C82B5B #5BC82B

tetradic

#2B5BC8 #C82BA9 #C8982B #2BC849

square

#2B5BC8 #C82BA9 #C8982B #2BC849

split-complementary

#2B5BC8 #C8492B #A9C82B

monochromatic

#152D63 #204496 #2B5BC8 #567EDB #88A5E5

Accessibility & contrast

On white

6.12

#2B5BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#2B5BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BC8

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BC8	#FFFFFF	#000000	##FFFFFF
##2B5BC8	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5bc8;
/* rgb */ color: rgb(43, 91, 200);
/* oklch */ color: oklch(50.4% 0.178 263.4);

Tailwind

colors: {
  custom: {
    50: '#7d88d9',
    500: '#2b5bc8',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bc8;
$custom-light: #7d88d9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bc8",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 200
  },
  "hsl": {
    "h": 221.656,
    "s": 64.609,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50377,
    "c": 0.17803,
    "h": 263.4
  },
  "luminance": 0.12166
}

Semantic roles & 50–950 ramp

primary

#2B5BC8

secondary

#CFB780

accent

#B440E8

background

#F8F8FD

surface

#EFEFFB

border

#CACAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2B5BC8

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

Preview Lab → · Contrast checker → · Palette generator →