#3073B3#3073B3

#3073B3 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.4% C 0.121 H 250.2°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3073B3
RGB	rgb(48, 115, 179)
HSL	hsl(209, 58%, 45%)
HSV	hsv(209, 73%, 70%)
CMYK	cmyk(73.2%, 35.8%, 0%, 29.8%)
CIE-LAB	lab(47.16, 0.83, -40.01)
CIE-LCH	lch(47.16, 40.02, 271.18°)
OKLab	oklab(54.39% -0.041 -0.1137)
OKLCH	oklch(54.39% 0.121 250.2)
XYZ	xyz(15.4833, 16.1428, 44.9389)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3073B3 #B37030

analogous

#30B3B2 #3073B3 #3032B3

triadic

#3073B3 #B33073 #73B330

tetradic

#3073B3 #B230B3 #B37030 #32B330

square

#3073B3 #B230B3 #B37030 #32B330

split-complementary

#3073B3 #B33032 #B3B230

monochromatic

#163552 #235483 #3073B3 #5092D0 #80B0DD

Accessibility & contrast

On white

4.97

#3073B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#3073B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3073B3

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3073B3	#FFFFFF	#000000	##FFFFFF
##3073B3	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5677B6

Deuteranopia (green-blind)

#436AB2

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3073b3;
/* rgb */ color: rgb(48, 115, 179);
/* oklch */ color: oklch(54.4% 0.121 250.2);

Tailwind

colors: {
  custom: {
    50: '#799aca',
    500: '#3073b3',
    950: '#000000',
  },
}

SCSS

$custom: #3073b3;
$custom-light: #799aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3073b3",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 209.313,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54387,
    "c": 0.1209,
    "h": 250.2
  },
  "luminance": 0.16145
}

Semantic roles & 50–950 ramp

primary

#3073B3

secondary

#C69F79

accent

#9247E1

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3073B3

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

Preview Lab → · Contrast checker → · Palette generator →