#2B54BC#2B54BC

#2B54BC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.171 H 264.5°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B54BC
RGB	rgb(43, 84, 188)
HSL	hsl(223, 63%, 45%)
HSV	hsv(223, 77%, 74%)
CMYK	cmyk(77.1%, 55.3%, 0%, 26.3%)
CIE-LAB	lab(38.70, 23.43, -58.85)
CIE-LCH	lch(38.70, 63.34, 291.71°)
OKLab	oklab(48% -0.0163 -0.1697)
OKLCH	oklch(48% 0.171 264.5)
XYZ	xyz(13.2405, 10.4836, 48.8929)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B54BC #BC932B

analogous

#2B9DBC #2B54BC #4A2BBC

triadic

#2B54BC #BC2B54 #54BC2B

tetradic

#2B54BC #BC2B9D #BC932B #2BBC4A

square

#2B54BC #BC2B9D #BC932B #2BBC4A

split-complementary

#2B54BC #BC4A2B #9DBC2B

monochromatic

#142758 #203E8A #2B54BC #4E74D6 #809BE2

Accessibility & contrast

On white

6.78

#2B54BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2B54BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B54BC

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B54BC	#FFFFFF	#000000	##FFFFFF
##2B54BC	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b54bc;
/* rgb */ color: rgb(43, 84, 188);
/* oklch */ color: oklch(48.0% 0.171 264.5);

Tailwind

colors: {
  custom: {
    50: '#7a83d1',
    500: '#2b54bc',
    950: '#000000',
  },
}

SCSS

$custom: #2b54bc;
$custom-light: #7a83d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b54bc",
  "rgb": {
    "r": 43,
    "g": 84,
    "b": 188
  },
  "hsl": {
    "h": 223.034,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47996,
    "c": 0.17051,
    "h": 264.5
  },
  "luminance": 0.10485
}

Semantic roles & 50–950 ramp

primary

#2B54BC

secondary

#CBB378

accent

#B742E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2B54BC

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

Preview Lab → · Contrast checker → · Palette generator →