#2B5BBC#2B5BBC

#2B5BBC is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.5% C 0.162 H 262.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BBC
RGB	rgb(43, 91, 188)
HSL	hsl(220, 63%, 45%)
HSV	hsv(220, 77%, 74%)
CMYK	cmyk(77.1%, 51.6%, 0%, 26.3%)
CIE-LAB	lab(40.61, 18.84, -55.74)
CIE-LCH	lch(40.61, 58.84, 288.68°)
OKLab	oklab(49.45% -0.0215 -0.1605)
OKLCH	oklch(49.45% 0.162 262.4)
XYZ	xyz(13.8112, 11.6250, 49.0832)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BBC #BC8C2B

analogous

#2BA3BC #2B5BBC #432BBC

triadic

#2B5BBC #BC2B5B #5BBC2B

tetradic

#2B5BBC #BC2BA3 #BC8C2B #2BBC43

square

#2B5BBC #BC2BA3 #BC8C2B #2BBC43

split-complementary

#2B5BBC #BC432B #A3BC2B

monochromatic

#142B58 #20438A #2B5BBC #4E7BD6 #80A0E2

Accessibility & contrast

On white

6.32

#2B5BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#2B5BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BBC

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BBC	#FFFFFF	#000000	##FFFFFF
##2B5BBC	1.00	6.32	3.33	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B67BF

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2b5bbc;
/* rgb */ color: rgb(43, 91, 188);
/* oklch */ color: oklch(49.5% 0.162 262.4);

Tailwind

colors: {
  custom: {
    50: '#7a88d1',
    500: '#2b5bbc',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bbc;
$custom-light: #7a88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bbc",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 188
  },
  "hsl": {
    "h": 220.138,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4945,
    "c": 0.1619,
    "h": 262.4
  },
  "luminance": 0.11627
}

Semantic roles & 50–950 ramp

primary

#2B5BBC

secondary

#CBAF78

accent

#B042E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B5BBC

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

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