#3073B1#3073B1

#3073B1 is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.118 H 249.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3073B1
RGB	rgb(48, 115, 177)
HSL	hsl(209, 57%, 44%)
HSV	hsv(209, 73%, 69%)
CMYK	cmyk(72.9%, 35%, 0%, 30.6%)
CIE-LAB	lab(47.06, 0.09, -39.01)
CIE-LCH	lch(47.06, 39.01, 270.14°)
OKLab	oklab(54.27% -0.0415 -0.1108)
OKLCH	oklch(54.27% 0.118 249.5)
XYZ	xyz(15.2825, 16.0625, 43.8814)
Luminance	0.1606 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3073B1 #B16E30

analogous

#30B1AF #3073B1 #3033B1

triadic

#3073B1 #B13073 #73B130

tetradic

#3073B1 #AF30B1 #B16E30 #33B130

square

#3073B1 #AF30B1 #B16E30 #33B130

split-complementary

#3073B1 #B13033 #B1AF30

monochromatic

#163451 #235481 #3073B1 #4F92CF #7FB0DC

Accessibility & contrast

On white

4.98

#3073B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#3073B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3073B1

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3073B1	#FFFFFF	#000000	##FFFFFF
##3073B1	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5776B4

Deuteranopia (green-blind)

#446AB0

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3073b1;
/* rgb */ color: rgb(48, 115, 177);
/* oklch */ color: oklch(54.3% 0.118 249.5);

Tailwind

colors: {
  custom: {
    50: '#799ac8',
    500: '#3073b1',
    950: '#000000',
  },
}

SCSS

$custom: #3073b1;
$custom-light: #799ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3073b1",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 177
  },
  "hsl": {
    "h": 208.837,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5427,
    "c": 0.11836,
    "h": 249.5
  },
  "luminance": 0.16064
}

Semantic roles & 50–950 ramp

primary

#3073B1

secondary

#C59D78

accent

#9147E1

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3073B1

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

Preview Lab → · Contrast checker → · Palette generator →