#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
RGB	rgb(48, 115, 180)
HSL	hsl(210, 58%, 45%)
HSV	hsv(210, 73%, 71%)
CMYK	cmyk(73.3%, 36.1%, 0%, 29.4%)
CIE-LAB	lab(47.21, 1.19, -40.51)
CIE-LCH	lch(47.21, 40.52, 271.69°)
OKLab	oklab(54.45% -0.0407 -0.1152)
OKLCH	oklch(54.45% 0.122 250.5)
XYZ	xyz(15.5848, 16.1834, 45.4735)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	cyan

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
##3073B4	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

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 →