#308BCF#308BCF

#308BCF is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.6% C 0.133 H 245.3°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#308BCF
RGB	rgb(48, 139, 207)
HSL	hsl(206, 62%, 50%)
HSV	hsv(206, 77%, 81%)
CMYK	cmyk(76.8%, 32.9%, 0%, 18.8%)
CIE-LAB	lab(55.68, -3.33, -42.56)
CIE-LCH	lch(55.68, 42.69, 265.53°)
OKLab	oklab(61.56% -0.0555 -0.1209)
OKLCH	oklch(61.56% 0.133 245.3)
XYZ	xyz(21.7097, 23.5960, 62.4297)
Luminance	0.2360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BCF #CF7430

analogous

#30CFC3 #308BCF #303CCF

triadic

#308BCF #CF308B #8BCF30

tetradic

#308BCF #C330CF #CF7430 #3CCF30

square

#308BCF #C330CF #CF7430 #3CCF30

split-complementary

#308BCF #CF303C #CFC330

monochromatic

#19486C #246A9D #308BCF #62A7DB #93C3E6

Accessibility & contrast

On white

3.67

#308BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#308BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BCF

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BCF	#FFFFFF	#000000	##000000
##308BCF	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8DD2

Deuteranopia (green-blind)

#557FCE

Tritanopia (blue-blind)

#009BA3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #308bcf;
/* rgb */ color: rgb(48, 139, 207);
/* oklch */ color: oklch(61.6% 0.133 245.3);

Tailwind

colors: {
  custom: {
    50: '#7facde',
    500: '#308bcf',
    950: '#000000',
  },
}

SCSS

$custom: #308bcf;
$custom-light: #7facde;
$custom-dark: #000000;

JSON

{
  "hex": "#308bcf",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 207
  },
  "hsl": {
    "h": 205.66,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.61556,
    "c": 0.13299,
    "h": 245.3
  },
  "luminance": 0.23599
}

Semantic roles & 50–950 ramp

primary

#308BCF

secondary

#D1A88A

accent

#8842E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #308BCF

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

Preview Lab → · Contrast checker → · Palette generator →