#308BB4#308BB4

#308BB4 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.2% C 0.104 H 231.9°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#308BB4
RGB	rgb(48, 139, 180)
HSL	hsl(199, 58%, 45%)
HSV	hsv(199, 73%, 71%)
CMYK	cmyk(73.3%, 22.8%, 0%, 29.4%)
CIE-LAB	lab(54.43, -12.86, -29.18)
CIE-LCH	lch(54.43, 31.89, 246.21°)
OKLab	oklab(60.16% -0.0642 -0.082)
OKLCH	oklch(60.16% 0.104 231.9)
XYZ	xyz(18.6865, 22.3867, 46.5074)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BB4 #B45930

analogous

#30B49B #308BB4 #3049B4

triadic

#308BB4 #B4308B #8BB430

tetradic

#308BB4 #9B30B4 #B45930 #49B430

square

#308BB4 #9B30B4 #B45930 #49B430

split-complementary

#308BB4 #B43049 #B49B30

monochromatic

#164053 #236684 #308BB4 #51A9D1 #81C1DD

Accessibility & contrast

On white

3.83

#308BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#308BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BB4

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BB4	#FFFFFF	#000000	##000000
##308BB4	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7689B6

Deuteranopia (green-blind)

#657DB3

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #308bb4;
/* rgb */ color: rgb(48, 139, 180);
/* oklch */ color: oklch(60.2% 0.104 231.9);

Tailwind

colors: {
  custom: {
    50: '#7aacca',
    500: '#308bb4',
    950: '#000000',
  },
}

SCSS

$custom: #308bb4;
$custom-light: #7aacca;
$custom-dark: #000000;

JSON

{
  "hex": "#308bb4",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 198.636,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60158,
    "c": 0.10419,
    "h": 231.9
  },
  "luminance": 0.22389
}

Semantic roles & 50–950 ramp

primary

#308BB4

secondary

#C69179

accent

#7747E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308BB4

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

Preview Lab → · Contrast checker → · Palette generator →