#3073B5#3073B5

#3073B5 is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.5% C 0.123 H 250.9°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3073B5
RGB	rgb(48, 115, 181)
HSL	hsl(210, 58%, 45%)
HSV	hsv(210, 73%, 71%)
CMYK	cmyk(73.5%, 36.5%, 0%, 29%)
CIE-LAB	lab(47.27, 1.56, -41.00)
CIE-LCH	lch(47.27, 41.03, 272.18°)
OKLab	oklab(54.51% -0.0404 -0.1167)
OKLCH	oklch(54.51% 0.123 250.9)
XYZ	xyz(15.6870, 16.2243, 46.0120)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3073B5 #B57230

analogous

#30B5B4 #3073B5 #3031B5

triadic

#3073B5 #B53073 #73B530

tetradic

#3073B5 #B430B5 #B57230 #31B530

square

#3073B5 #B430B5 #B57230 #31B530

split-complementary

#3073B5 #B53031 #B5B430

monochromatic

#163654 #235485 #3073B5 #5192D1 #82B0DE

Accessibility & contrast

On white

4.95

#3073B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#3073B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3073B5

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3073B5	#FFFFFF	#000000	##FFFFFF
##3073B5	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5577B8

Deuteranopia (green-blind)

#416AB4

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3073b5;
/* rgb */ color: rgb(48, 115, 181);
/* oklch */ color: oklch(54.5% 0.123 250.9);

Tailwind

colors: {
  custom: {
    50: '#7a9acb',
    500: '#3073b5',
    950: '#000000',
  },
}

SCSS

$custom: #3073b5;
$custom-light: #7a9acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3073b5",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 181
  },
  "hsl": {
    "h": 209.774,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54505,
    "c": 0.12347,
    "h": 250.9
  },
  "luminance": 0.16226
}

Semantic roles & 50–950 ramp

primary

#3073B5

secondary

#C7A07A

accent

#9346E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3073B5

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

Preview Lab → · Contrast checker → · Palette generator →