#2F73B7#2F73B7

#2F73B7 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.126 H 251.3°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F73B7
RGB	rgb(47, 115, 183)
HSL	hsl(210, 59%, 45%)
HSV	hsv(210, 74%, 72%)
CMYK	cmyk(74.3%, 37.2%, 0%, 28.2%)
CIE-LAB	lab(47.34, 2.16, -42.04)
CIE-LCH	lch(47.34, 42.10, 272.94°)
OKLab	oklab(54.59% -0.0405 -0.1197)
OKLCH	oklch(54.59% 0.126 251.3)
XYZ	xyz(15.8471, 16.2829, 47.0983)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F73B7 #B7732F

analogous

#2FB7B7 #2F73B7 #2F2FB7

triadic

#2F73B7 #B72F73 #73B72F

tetradic

#2F73B7 #B72FB7 #B7732F #2FB72F

square

#2F73B7 #B72FB7 #B7732F #2FB72F

split-complementary

#2F73B7 #B72F2F #B7B72F

monochromatic

#163656 #225486 #2F73B7 #5192D2 #82B0DF

Accessibility & contrast

On white

4.93

#2F73B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#2F73B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F73B7

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F73B7	#FFFFFF	#000000	##FFFFFF
##2F73B7	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5477BA

Deuteranopia (green-blind)

#3F6BB6

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2f73b7;
/* rgb */ color: rgb(47, 115, 183);
/* oklch */ color: oklch(54.6% 0.126 251.3);

Tailwind

colors: {
  custom: {
    50: '#7a9acd',
    500: '#2f73b7',
    950: '#000000',
  },
}

SCSS

$custom: #2f73b7;
$custom-light: #7a9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f73b7",
  "rgb": {
    "r": 47,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 210,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5459,
    "c": 0.12638,
    "h": 251.3
  },
  "luminance": 0.16285
}

Semantic roles & 50–950 ramp

primary

#2F73B7

secondary

#C8A17A

accent

#9445E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F73B7

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

Preview Lab → · Contrast checker → · Palette generator →