#3073BB#3073BB

#3073BB is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.131 H 252.8°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3073BB
RGB	rgb(48, 115, 187)
HSL	hsl(211, 59%, 46%)
HSV	hsv(211, 74%, 73%)
CMYK	cmyk(74.3%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(47.59, 3.78, -43.96)
CIE-LCH	lch(47.59, 44.12, 274.91°)
OKLab	oklab(54.86% -0.0389 -0.1253)
OKLCH	oklch(54.86% 0.131 252.8)
XYZ	xyz(16.3159, 16.4759, 49.3243)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3073BB #BB7830

analogous

#30B8BB #3073BB #3230BB

triadic

#3073BB #BB3073 #73BB30

tetradic

#3073BB #BB30B8 #BB7830 #30BB32

square

#3073BB #BB30B8 #BB7830 #30BB32

split-complementary

#3073BB #BB3230 #B8BB30

monochromatic

#17375A #23558A #3073BB #5592D3 #86B1E0

Accessibility & contrast

On white

4.89

#3073BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3073BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3073BB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3073BB	#FFFFFF	#000000	##FFFFFF
##3073BB	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BE

Deuteranopia (green-blind)

#3C6BBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3073bb;
/* rgb */ color: rgb(48, 115, 187);
/* oklch */ color: oklch(54.9% 0.131 252.8);

Tailwind

colors: {
  custom: {
    50: '#7b9ad0',
    500: '#3073bb',
    950: '#000000',
  },
}

SCSS

$custom: #3073bb;
$custom-light: #7b9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3073bb",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 211.079,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54865,
    "c": 0.13122,
    "h": 252.8
  },
  "luminance": 0.16478
}

Semantic roles & 50–950 ramp

primary

#3073BB

secondary

#C9A57D

accent

#9745E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3073BB

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

Preview Lab → · Contrast checker → · Palette generator →