#308CB4#308CB4

#308CB4 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.104 H 231.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#308CB4
RGB	rgb(48, 140, 180)
HSL	hsl(198, 58%, 45%)
HSV	hsv(198, 73%, 71%)
CMYK	cmyk(73.3%, 22.2%, 0%, 29.4%)
CIE-LAB	lab(54.74, -13.42, -28.71)
CIE-LCH	lch(54.74, 31.69, 244.95°)
OKLab	oklab(60.4% -0.0652 -0.0807)
OKLCH	oklch(60.4% 0.104 231)
XYZ	xyz(18.8319, 22.6777, 46.5559)
Luminance	0.2268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308CB4 #B45830

analogous

#30B49A #308CB4 #304AB4

triadic

#308CB4 #B4308C #8CB430

tetradic

#308CB4 #9A30B4 #B45830 #4AB430

square

#308CB4 #9A30B4 #B45830 #4AB430

split-complementary

#308CB4 #B4304A #B49A30

monochromatic

#164153 #236684 #308CB4 #51AAD1 #81C1DD

Accessibility & contrast

On white

3.79

#308CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#308CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308CB4

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308CB4	#FFFFFF	#000000	##000000
##308CB4	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB6

Deuteranopia (green-blind)

#667DB3

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #308cb4;
/* rgb */ color: rgb(48, 140, 180);
/* oklch */ color: oklch(60.4% 0.104 231.0);

Tailwind

colors: {
  custom: {
    50: '#7aadca',
    500: '#308cb4',
    950: '#000000',
  },
}

SCSS

$custom: #308cb4;
$custom-light: #7aadca;
$custom-dark: #000000;

JSON

{
  "hex": "#308cb4",
  "rgb": {
    "r": 48,
    "g": 140,
    "b": 180
  },
  "hsl": {
    "h": 198.182,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60401,
    "c": 0.10374,
    "h": 231
  },
  "luminance": 0.2268
}

Semantic roles & 50–950 ramp

primary

#308CB4

secondary

#C69179

accent

#7547E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308CB4

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

Preview Lab → · Contrast checker → · Palette generator →