#308FB6#308FB6

#308FB6 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.2% C 0.104 H 229.7°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#308FB6
RGB	rgb(48, 143, 182)
HSL	hsl(197, 58%, 45%)
HSV	hsv(197, 74%, 71%)
CMYK	cmyk(73.6%, 21.4%, 0%, 28.6%)
CIE-LAB	lab(55.73, -14.40, -28.31)
CIE-LCH	lch(55.73, 31.76, 243.04°)
OKLab	oklab(61.22% -0.0675 -0.0795)
OKLCH	oklch(61.22% 0.104 229.7)
XYZ	xyz(19.4815, 23.6484, 47.7848)
Luminance	0.2365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308FB6 #B65730

analogous

#30B69A #308FB6 #304CB6

triadic

#308FB6 #B6308F #8FB630

tetradic

#308FB6 #9A30B6 #B65730 #4CB630

square

#308FB6 #9A30B6 #B65730 #4CB630

split-complementary

#308FB6 #B6304C #B69A30

monochromatic

#164355 #236986 #308FB6 #52ACD1 #82C3DE

Accessibility & contrast

On white

3.66

#308FB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#308FB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308FB6

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308FB6	#FFFFFF	#000000	##000000
##308FB6	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8DB8

Deuteranopia (green-blind)

#6980B5

Tritanopia (blue-blind)

#009A9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #308fb6;
/* rgb */ color: rgb(48, 143, 182);
/* oklch */ color: oklch(61.2% 0.104 229.7);

Tailwind

colors: {
  custom: {
    50: '#7bafcc',
    500: '#308fb6',
    950: '#000000',
  },
}

SCSS

$custom: #308fb6;
$custom-light: #7bafcc;
$custom-dark: #000000;

JSON

{
  "hex": "#308fb6",
  "rgb": {
    "r": 48,
    "g": 143,
    "b": 182
  },
  "hsl": {
    "h": 197.463,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.61223,
    "c": 0.10427,
    "h": 229.7
  },
  "luminance": 0.23651
}

Semantic roles & 50–950 ramp

primary

#308FB6

secondary

#C7917B

accent

#7346E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #308FB6

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

Preview Lab → · Contrast checker → · Palette generator →