#3073B7#3073B7

#3073B7 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.126 H 251.5°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3073B7
RGB	rgb(48, 115, 183)
HSL	hsl(210, 58%, 45%)
HSV	hsv(210, 74%, 72%)
CMYK	cmyk(73.8%, 37.2%, 0%, 28.2%)
CIE-LAB	lab(47.37, 2.30, -41.99)
CIE-LCH	lch(47.37, 42.05, 273.13°)
OKLab	oklab(54.62% -0.0399 -0.1195)
OKLCH	oklch(54.62% 0.126 251.5)
XYZ	xyz(15.8937, 16.3070, 47.1005)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3073B7 #B77430

analogous

#30B7B7 #3073B7 #3030B7

triadic

#3073B7 #B73073 #73B730

tetradic

#3073B7 #B730B7 #B77430 #30B730

square

#3073B7 #B730B7 #B77430 #30B730

split-complementary

#3073B7 #B73030 #B7B730

monochromatic

#173656 #235587 #3073B7 #5292D2 #83B0DE

Accessibility & contrast

On white

4.93

#3073B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3073B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3073B7

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3073B7	#FFFFFF	#000000	##FFFFFF
##3073B7	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5477BA

Deuteranopia (green-blind)

#3F6BB6

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3073b7;
/* rgb */ color: rgb(48, 115, 183);
/* oklch */ color: oklch(54.6% 0.126 251.5);

Tailwind

colors: {
  custom: {
    50: '#7a9acd',
    500: '#3073b7',
    950: '#000000',
  },
}

SCSS

$custom: #3073b7;
$custom-light: #7a9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3073b7",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 210.222,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.54624,
    "c": 0.12604,
    "h": 251.5
  },
  "luminance": 0.16309
}

Semantic roles & 50–950 ramp

primary

#3073B7

secondary

#C8A27B

accent

#9446E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3073B7

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

Preview Lab → · Contrast checker → · Palette generator →