#307DCF#307DCF

#307DCF is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.4% C 0.146 H 252.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#307DCF
RGB	rgb(48, 125, 207)
HSL	hsl(211, 62%, 50%)
HSV	hsv(211, 77%, 81%)
CMYK	cmyk(76.8%, 39.6%, 0%, 18.8%)
CIE-LAB	lab(51.61, 5.04, -49.02)
CIE-LCH	lch(51.61, 49.28, 275.87°)
OKLab	oklab(58.36% -0.043 -0.14)
OKLCH	oklch(58.36% 0.146 252.9)
XYZ	xyz(19.8108, 19.7983, 61.7967)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DCF #CF8230

analogous

#30CDCF #307DCF #3230CF

triadic

#307DCF #CF307D #7DCF30

tetradic

#307DCF #CF30CD #CF8230 #30CF32

square

#307DCF #CF30CD #CF8230 #30CF32

split-complementary

#307DCF #CF3230 #CDCF30

monochromatic

#19416C #245F9D #307DCF #629CDB #93BBE6

Accessibility & contrast

On white

4.23

#307DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#307DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DCF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DCF	#FFFFFF	#000000	##000000
##307DCF	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5683D2

Deuteranopia (green-blind)

#3C74CD

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #307dcf;
/* rgb */ color: rgb(48, 125, 207);
/* oklch */ color: oklch(58.4% 0.146 252.9);

Tailwind

colors: {
  custom: {
    50: '#7fa2de',
    500: '#307dcf',
    950: '#000000',
  },
}

SCSS

$custom: #307dcf;
$custom-light: #7fa2de;
$custom-dark: #000000;

JSON

{
  "hex": "#307dcf",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 207
  },
  "hsl": {
    "h": 210.943,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.58361,
    "c": 0.14648,
    "h": 252.9
  },
  "luminance": 0.19801
}

Semantic roles & 50–950 ramp

primary

#307DCF

secondary

#D1AF8A

accent

#9642E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #307DCF

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

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