#2B73B1#2B73B1

#2B73B1 is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.1% C 0.120 H 248.3°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B73B1
RGB	rgb(43, 115, 177)
HSL	hsl(208, 61%, 43%)
HSV	hsv(208, 76%, 69%)
CMYK	cmyk(75.7%, 35%, 0%, 30.6%)
CIE-LAB	lab(46.91, -0.59, -39.26)
CIE-LCH	lch(46.91, 39.27, 269.15°)
OKLab	oklab(54.11% -0.0445 -0.1116)
OKLCH	oklch(54.11% 0.12 248.3)
XYZ	xyz(15.0598, 15.9476, 43.8709)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B73B1 #B1692B

analogous

#2BB1AC #2B73B1 #2B30B1

triadic

#2B73B1 #B12B73 #73B12B

tetradic

#2B73B1 #AC2BB1 #B1692B #30B12B

square

#2B73B1 #AC2BB1 #B1692B #30B12B

split-complementary

#2B73B1 #B12B30 #B1AC2B

monochromatic

#13334F #1F5380 #2B73B1 #4792D2 #78AFDE

Accessibility & contrast

On white

5.01

#2B73B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#2B73B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73B1

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B73B1	#FFFFFF	#000000	##FFFFFF
##2B73B1	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5676B4

Deuteranopia (green-blind)

#436AB0

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2b73b1;
/* rgb */ color: rgb(43, 115, 177);
/* oklch */ color: oklch(54.1% 0.120 248.3);

Tailwind

colors: {
  custom: {
    50: '#779ac8',
    500: '#2b73b1',
    950: '#000000',
  },
}

SCSS

$custom: #2b73b1;
$custom-light: #779ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b73b1",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 177
  },
  "hsl": {
    "h": 207.761,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.54109,
    "c": 0.12016,
    "h": 248.3
  },
  "luminance": 0.15949
}

Semantic roles & 50–950 ramp

primary

#2B73B1

secondary

#C69972

accent

#8E44E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B73B1

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

Preview Lab → · Contrast checker → · Palette generator →