#3073B8#3073B8

#3073B8 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.127 H 251.9°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3073B8
RGB	rgb(48, 115, 184)
HSL	hsl(210, 59%, 45%)
HSV	hsv(210, 74%, 72%)
CMYK	cmyk(73.9%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.43, 2.67, -42.48)
CIE-LCH	lch(47.43, 42.57, 273.59°)
OKLab	oklab(54.68% -0.0397 -0.121)
OKLCH	oklch(54.68% 0.127 251.9)
XYZ	xyz(15.9981, 16.3487, 47.6506)
Luminance	0.1635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3073B8 #B87530

analogous

#30B7B8 #3073B8 #3130B8

triadic

#3073B8 #B83073 #73B830

tetradic

#3073B8 #B830B7 #B87530 #30B831

square

#3073B8 #B830B7 #B87530 #30B831

split-complementary

#3073B8 #B83130 #B7B830

monochromatic

#173657 #235587 #3073B8 #5392D2 #84B1DF

Accessibility & contrast

On white

4.92

#3073B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3073B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3073B8

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3073B8	#FFFFFF	#000000	##FFFFFF
##3073B8	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)

#3F6BB7

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3073b8;
/* rgb */ color: rgb(48, 115, 184);
/* oklch */ color: oklch(54.7% 0.127 251.9);

Tailwind

colors: {
  custom: {
    50: '#7a9ace',
    500: '#3073b8',
    950: '#000000',
  },
}

SCSS

$custom: #3073b8;
$custom-light: #7a9ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3073b8",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 210.441,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54684,
    "c": 0.12733,
    "h": 251.9
  },
  "luminance": 0.16351
}

Semantic roles & 50–950 ramp

primary

#3073B8

secondary

#C8A27C

accent

#9546E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3073B8

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

Preview Lab → · Contrast checker → · Palette generator →