#2B73B7#2B73B7

#2B73B7 is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.5% C 0.128 H 250.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B73B7
RGB	rgb(43, 115, 183)
HSL	hsl(209, 62%, 44%)
HSV	hsv(209, 77%, 72%)
CMYK	cmyk(76.5%, 37.2%, 0%, 28.2%)
CIE-LAB	lab(47.23, 1.65, -42.24)
CIE-LCH	lch(47.23, 42.27, 272.23°)
OKLab	oklab(54.47% -0.0429 -0.1203)
OKLCH	oklch(54.47% 0.128 250.4)
XYZ	xyz(15.6710, 16.1921, 47.0900)
Luminance	0.1619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B73B7 #B76F2B

analogous

#2BB7B5 #2B73B7 #2B2DB7

triadic

#2B73B7 #B72B73 #73B72B

tetradic

#2B73B7 #B52BB7 #B76F2B #2DB72B

square

#2B73B7 #B52BB7 #B76F2B #2DB72B

split-complementary

#2B73B7 #B72B2D #B7B52B

monochromatic

#143554 #1F5485 #2B73B7 #4B92D5 #7CB0E0

Accessibility & contrast

On white

4.95

#2B73B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#2B73B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73B7

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B73B7	#FFFFFF	#000000	##FFFFFF
##2B73B7	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5377BA

Deuteranopia (green-blind)

#3E6AB6

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2b73b7;
/* rgb */ color: rgb(43, 115, 183);
/* oklch */ color: oklch(54.5% 0.128 250.4);

Tailwind

colors: {
  custom: {
    50: '#789acd',
    500: '#2b73b7',
    950: '#000000',
  },
}

SCSS

$custom: #2b73b7;
$custom-light: #789acd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b73b7",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 209.143,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.54465,
    "c": 0.12774,
    "h": 250.4
  },
  "luminance": 0.16194
}

Semantic roles & 50–950 ramp

primary

#2B73B7

secondary

#C99E75

accent

#9243E5

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B73B7

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

Preview Lab → · Contrast checker → · Palette generator →