#2B73BF#2B73BF

#2B73BF is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 55.0% C 0.138 H 252.8°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B73BF
RGB	rgb(43, 115, 191)
HSL	hsl(211, 63%, 46%)
HSV	hsv(211, 77%, 75%)
CMYK	cmyk(77.5%, 39.8%, 0%, 25.1%)
CIE-LAB	lab(47.67, 4.65, -46.16)
CIE-LCH	lch(47.67, 46.39, 275.75°)
OKLab	oklab(54.96% -0.0409 -0.1318)
OKLCH	oklch(54.96% 0.138 252.8)
XYZ	xyz(16.5274, 16.5347, 51.6006)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B73BF #BF772B

analogous

#2BBDBF #2B73BF #2D2BBF

triadic

#2B73BF #BF2B73 #73BF2B

tetradic

#2B73BF #BF2BBD #BF772B #2BBF2D

square

#2B73BF #BF2BBD #BF772B #2BBF2D

split-complementary

#2B73BF #BF2D2B #BDBF2B

monochromatic

#15375B #20558D #2B73BF #5092D8 #82B1E3

Accessibility & contrast

On white

4.88

#2B73BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2B73BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73BF

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B73BF	#FFFFFF	#000000	##FFFFFF
##2B73BF	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C2

Deuteranopia (green-blind)

#376BBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2b73bf;
/* rgb */ color: rgb(43, 115, 191);
/* oklch */ color: oklch(55.0% 0.138 252.8);

Tailwind

colors: {
  custom: {
    50: '#7a9ad3',
    500: '#2b73bf',
    950: '#000000',
  },
}

SCSS

$custom: #2b73bf;
$custom-light: #7a9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b73bf",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 191
  },
  "hsl": {
    "h": 210.811,
    "s": 63.248,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54955,
    "c": 0.13801,
    "h": 252.8
  },
  "luminance": 0.16537
}

Semantic roles & 50–950 ramp

primary

#2B73BF

secondary

#CCA47A

accent

#9642E6

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2B73BF

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

Preview Lab → · Contrast checker → · Palette generator →