#3073B4#3073B4

#3073B4 is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.4% C 0.122 H 250.5°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#3073B4
RGBrgb(48, 115, 180)
HSLhsl(210, 58%, 45%)
HSVhsv(210, 73%, 71%)
CMYKcmyk(73.3%, 36.1%, 0%, 29.4%)
CIE-LABlab(47.21, 1.19, -40.51)
CIE-LCHlch(47.21, 40.52, 271.69°)
OKLaboklab(54.45% -0.0407 -0.1152)
OKLCHoklch(54.45% 0.122 250.5)
XYZxyz(15.5848, 16.1834, 45.4735)
Luminance0.1618 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3073B4 #B47130
analogous
#30B4B3 #3073B4 #3031B4
triadic
#3073B4 #B43073 #73B430
tetradic
#3073B4 #B330B4 #B47130 #31B430
square
#3073B4 #B330B4 #B47130 #31B430
split-complementary
#3073B4 #B43031 #B4B330
monochromatic
#163553 #235484 #3073B4 #5192D1 #81B0DD

Accessibility & contrast

On white

4.96
#3073B4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.24
#3073B4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3073B4
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3073B4#FFFFFF#000000##FFFFFF
##3073B41.004.964.244.96
#FFFFFF4.961.0021.001.00
#0000004.2421.001.0021.00
##FFFFFF4.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5577B7
Deuteranopia (green-blind)
#426AB3
Tritanopia (blue-blind)
#00828B
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #3073b4;
/* rgb */ color: rgb(48, 115, 180);
/* oklch */ color: oklch(54.4% 0.122 250.5);
Tailwind
colors: {
  custom: {
    50: '#799acb',
    500: '#3073b4',
    950: '#000000',
  },
}
SCSS
$custom: #3073b4;
$custom-light: #799acb;
$custom-dark: #000000;
JSON
{
  "hex": "#3073b4",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 180
  },
  "hsl": {
    "h": 209.545,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54446,
    "c": 0.12218,
    "h": 250.5
  },
  "luminance": 0.16185
}

Semantic roles & 50–950 ramp

primary
#3073B4
secondary
#C69F79
accent
#9347E1
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #3073B4

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

Preview Lab → · Contrast checker → · Palette generator →

#3073B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva