#308FA5#308FA5

#308FA5 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.5% C 0.092 H 216.4°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#308FA5
RGB	rgb(48, 143, 165)
HSL	hsl(191, 55%, 42%)
HSV	hsv(191, 71%, 65%)
CMYK	cmyk(70.9%, 13.3%, 0%, 35.3%)
CIE-LAB	lab(55.06, -20.07, -19.62)
CIE-LCH	lch(55.06, 28.07, 224.36°)
OKLab	oklab(60.46% -0.0741 -0.0547)
OKLCH	oklch(60.46% 0.092 216.4)
XYZ	xyz(17.8301, 22.9879, 39.0874)
Luminance	0.2299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308FA5 #A54630

analogous

#30A581 #308FA5 #3055A5

triadic

#308FA5 #A5308F #8FA530

tetradic

#308FA5 #8130A5 #A54630 #55A530

square

#308FA5 #8130A5 #A54630 #55A530

split-complementary

#308FA5 #A53055 #A58130

monochromatic

#143D46 #226676 #308FA5 #48B2CA #78C6D8

Accessibility & contrast

On white

3.75

#308FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#308FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308FA5

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308FA5	#FFFFFF	#000000	##000000
##308FA5	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808BA6

Deuteranopia (green-blind)

#707FA5

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #308fa5;
/* rgb */ color: rgb(48, 143, 165);
/* oklch */ color: oklch(60.5% 0.092 216.4);

Tailwind

colors: {
  custom: {
    50: '#78b0bf',
    500: '#308fa5',
    950: '#000000',
  },
}

SCSS

$custom: #308fa5;
$custom-light: #78b0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#308fa5",
  "rgb": {
    "r": 48,
    "g": 143,
    "b": 165
  },
  "hsl": {
    "h": 191.282,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.6046,
    "c": 0.0921,
    "h": 216.4
  },
  "luminance": 0.2299
}

Semantic roles & 50–950 ramp

primary

#308FA5

secondary

#C08071

accent

#654ADE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #308FA5

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

Preview Lab → · Contrast checker → · Palette generator →