#308EB2#308EB2

#308EB2 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.8% C 0.101 H 227.8°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#308EB2
RGB	rgb(48, 142, 178)
HSL	hsl(197, 58%, 44%)
HSV	hsv(197, 73%, 70%)
CMYK	cmyk(73%, 20.2%, 0%, 30.2%)
CIE-LAB	lab(55.26, -15.21, -26.75)
CIE-LCH	lch(55.26, 30.77, 240.39°)
OKLab	oklab(60.79% -0.068 -0.075)
OKLCH	oklch(60.79% 0.101 227.8)
XYZ	xyz(18.9245, 23.1865, 45.5889)
Luminance	0.2319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308EB2 #B25430

analogous

#30B295 #308EB2 #304DB2

triadic

#308EB2 #B2308E #8EB230

tetradic

#308EB2 #9530B2 #B25430 #4DB230

square

#308EB2 #9530B2 #B25430 #4DB230

split-complementary

#308EB2 #B2304D #B29530

monochromatic

#164152 #236882 #308EB2 #50ACD0 #80C3DD

Accessibility & contrast

On white

3.72

#308EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#308EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308EB2

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308EB2	#FFFFFF	#000000	##000000
##308EB2	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB4

Deuteranopia (green-blind)

#697FB2

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #308eb2;
/* rgb */ color: rgb(48, 142, 178);
/* oklch */ color: oklch(60.8% 0.101 227.8);

Tailwind

colors: {
  custom: {
    50: '#7aafc9',
    500: '#308eb2',
    950: '#000000',
  },
}

SCSS

$custom: #308eb2;
$custom-light: #7aafc9;
$custom-dark: #000000;

JSON

{
  "hex": "#308eb2",
  "rgb": {
    "r": 48,
    "g": 142,
    "b": 178
  },
  "hsl": {
    "h": 196.615,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.60793,
    "c": 0.10125,
    "h": 227.8
  },
  "luminance": 0.23189
}

Semantic roles & 50–950 ramp

primary

#308EB2

secondary

#C68E78

accent

#7247E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #308EB2

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

Preview Lab → · Contrast checker → · Palette generator →