#308CA3#308CA3

#308CA3 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.6% C 0.091 H 217.9°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#308CA3
RGB	rgb(48, 140, 163)
HSL	hsl(192, 55%, 41%)
HSV	hsv(192, 71%, 64%)
CMYK	cmyk(70.6%, 14.1%, 0%, 36.1%)
CIE-LAB	lab(54.06, -19.12, -20.01)
CIE-LCH	lch(54.06, 27.68, 226.30°)
OKLab	oklab(59.63% -0.0718 -0.0558)
OKLCH	oklch(59.63% 0.091 217.9)
XYZ	xyz(17.2051, 22.0269, 37.9881)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308CA3 #A34730

analogous

#30A381 #308CA3 #3053A3

triadic

#308CA3 #A3308C #8CA330

tetradic

#308CA3 #8130A3 #A34730 #53A330

square

#308CA3 #8130A3 #A34730 #53A330

split-complementary

#308CA3 #A33053 #A38130

monochromatic

#143B44 #226374 #308CA3 #47AFC9 #77C4D7

Accessibility & contrast

On white

3.88

#308CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#308CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308CA3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308CA3	#FFFFFF	#000000	##000000
##308CA3	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D88A4

Deuteranopia (green-blind)

#6D7CA3

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #308ca3;
/* rgb */ color: rgb(48, 140, 163);
/* oklch */ color: oklch(59.6% 0.091 217.9);

Tailwind

colors: {
  custom: {
    50: '#78adbe',
    500: '#308ca3',
    950: '#000000',
  },
}

SCSS

$custom: #308ca3;
$custom-light: #78adbe;
$custom-dark: #000000;

JSON

{
  "hex": "#308ca3",
  "rgb": {
    "r": 48,
    "g": 140,
    "b": 163
  },
  "hsl": {
    "h": 192,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59628,
    "c": 0.09093,
    "h": 217.9
  },
  "luminance": 0.22029
}

Semantic roles & 50–950 ramp

primary

#308CA3

secondary

#BF8070

accent

#684ADE

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #308CA3

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

Preview Lab → · Contrast checker → · Palette generator →