#2F73B8#2F73B8

#2F73B8 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.128 H 251.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#2F73B8
RGB	rgb(47, 115, 184)
HSL	hsl(210, 59%, 45%)
HSV	hsv(210, 74%, 72%)
CMYK	cmyk(74.5%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.40, 2.53, -42.54)
CIE-LCH	lch(47.40, 42.61, 273.41°)
OKLab	oklab(54.65% -0.0403 -0.1212)
OKLCH	oklch(54.65% 0.128 251.6)
XYZ	xyz(15.9515, 16.3247, 47.6484)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F73B8 #B8742F

analogous

#2FB7B8 #2F73B8 #302FB8

triadic

#2F73B8 #B82F73 #73B82F

tetradic

#2F73B8 #B82FB7 #B8742F #2FB830

square

#2F73B8 #B82FB7 #B8742F #2FB830

split-complementary

#2F73B8 #B8302F #B7B82F

monochromatic

#163657 #235587 #2F73B8 #5292D3 #82B0DF

Accessibility & contrast

On white

4.92

#2F73B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#2F73B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F73B8

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F73B8	#FFFFFF	#000000	##FFFFFF
##2F73B8	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5377BB

Deuteranopia (green-blind)

#3E6BB7

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2f73b8;
/* rgb */ color: rgb(47, 115, 184);
/* oklch */ color: oklch(54.6% 0.128 251.6);

Tailwind

colors: {
  custom: {
    50: '#7a9ace',
    500: '#2f73b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f73b8;
$custom-light: #7a9ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2f73b8",
  "rgb": {
    "r": 47,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 210.219,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5465,
    "c": 0.12768,
    "h": 251.6
  },
  "luminance": 0.16326
}

Semantic roles & 50–950 ramp

primary

#2F73B8

secondary

#C8A27B

accent

#9445E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F73B8

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

Preview Lab → · Contrast checker → · Palette generator →