#2F73B9#2F73B9

#2F73B9 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.129 H 251.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F73B9
RGB	rgb(47, 115, 185)
HSL	hsl(210, 59%, 45%)
HSV	hsv(210, 75%, 73%)
CMYK	cmyk(74.6%, 37.8%, 0%, 27.5%)
CIE-LAB	lab(47.45, 2.90, -43.03)
CIE-LCH	lch(47.45, 43.13, 273.86°)
OKLab	oklab(54.71% -0.04 -0.1226)
OKLCH	oklch(54.71% 0.129 251.9)
XYZ	xyz(16.0567, 16.3668, 48.2024)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F73B9 #B9752F

analogous

#2FB8B9 #2F73B9 #302FB9

triadic

#2F73B9 #B92F73 #73B92F

tetradic

#2F73B9 #B92FB8 #B9752F #2FB930

square

#2F73B9 #B92FB8 #B9752F #2FB930

split-complementary

#2F73B9 #B9302F #B8B92F

monochromatic

#163657 #235588 #2F73B9 #5292D3 #83B1DF

Accessibility & contrast

On white

4.91

#2F73B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#2F73B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F73B9

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F73B9	#FFFFFF	#000000	##FFFFFF
##2F73B9	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BC

Deuteranopia (green-blind)

#3D6BB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2f73b9;
/* rgb */ color: rgb(47, 115, 185);
/* oklch */ color: oklch(54.7% 0.129 251.9);

Tailwind

colors: {
  custom: {
    50: '#7a9ace',
    500: '#2f73b9',
    950: '#000000',
  },
}

SCSS

$custom: #2f73b9;
$custom-light: #7a9ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2f73b9",
  "rgb": {
    "r": 47,
    "g": 115,
    "b": 185
  },
  "hsl": {
    "h": 210.435,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54711,
    "c": 0.12897,
    "h": 251.9
  },
  "luminance": 0.16369
}

Semantic roles & 50–950 ramp

primary

#2F73B9

secondary

#C9A27B

accent

#9545E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2F73B9

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

Preview Lab → · Contrast checker → · Palette generator →