#3078B8#3078B8

#3078B8 is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.122 H 248.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3078B8
RGB	rgb(48, 120, 184)
HSL	hsl(208, 59%, 45%)
HSV	hsv(208, 74%, 72%)
CMYK	cmyk(73.9%, 34.8%, 0%, 27.8%)
CIE-LAB	lab(48.91, -0.38, -40.14)
CIE-LCH	lch(48.91, 40.14, 269.45°)
OKLab	oklab(55.84% -0.0444 -0.1141)
OKLCH	oklch(55.84% 0.122 248.7)
XYZ	xyz(16.5838, 17.5201, 47.8458)
Luminance	0.1752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3078B8 #B87030

analogous

#30B8B4 #3078B8 #3034B8

triadic

#3078B8 #B83078 #78B830

tetradic

#3078B8 #B430B8 #B87030 #34B830

square

#3078B8 #B430B8 #B87030 #34B830

split-complementary

#3078B8 #B83034 #B8B430

monochromatic

#173957 #235887 #3078B8 #5396D2 #84B4DF

Accessibility & contrast

On white

4.66

#3078B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3078B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3078B8

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3078B8	#FFFFFF	#000000	##FFFFFF
##3078B8	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7BBB

Deuteranopia (green-blind)

#476EB7

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3078b8;
/* rgb */ color: rgb(48, 120, 184);
/* oklch */ color: oklch(55.8% 0.122 248.7);

Tailwind

colors: {
  custom: {
    50: '#7a9ecd',
    500: '#3078b8',
    950: '#000000',
  },
}

SCSS

$custom: #3078b8;
$custom-light: #7a9ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#3078b8",
  "rgb": {
    "r": 48,
    "g": 120,
    "b": 184
  },
  "hsl": {
    "h": 208.235,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55844,
    "c": 0.12239,
    "h": 248.7
  },
  "luminance": 0.17522
}

Semantic roles & 50–950 ramp

primary

#3078B8

secondary

#C8A07C

accent

#8F46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3078B8

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

Preview Lab → · Contrast checker → · Palette generator →