#307EC5#307EC5

#307EC5 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.133 H 249.5°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#307EC5
RGB	rgb(48, 126, 197)
HSL	hsl(209, 61%, 48%)
HSV	hsv(209, 76%, 77%)
CMYK	cmyk(75.6%, 36%, 0%, 22.7%)
CIE-LAB	lab(51.36, 0.75, -43.73)
CIE-LCH	lch(51.36, 43.73, 270.98°)
OKLab	oklab(57.99% -0.0464 -0.1245)
OKLCH	oklch(57.99% 0.133 249.5)
XYZ	xyz(18.7540, 19.5791, 55.6032)
Luminance	0.1958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EC5 #C57730

analogous

#30C5C1 #307EC5 #3033C5

triadic

#307EC5 #C5307E #7EC530

tetradic

#307EC5 #C130C5 #C57730 #33C530

square

#307EC5 #C130C5 #C57730 #33C530

split-complementary

#307EC5 #C53033 #C5C130

monochromatic

#183F63 #245F94 #307EC5 #5B9CD7 #8CBAE3

Accessibility & contrast

On white

4.27

#307EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#307EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EC5

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EC5	#FFFFFF	#000000	##000000
##307EC5	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D82C8

Deuteranopia (green-blind)

#4774C4

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #307ec5;
/* rgb */ color: rgb(48, 126, 197);
/* oklch */ color: oklch(58.0% 0.133 249.5);

Tailwind

colors: {
  custom: {
    50: '#7da3d7',
    500: '#307ec5',
    950: '#000000',
  },
}

SCSS

$custom: #307ec5;
$custom-light: #7da3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#307ec5",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 197
  },
  "hsl": {
    "h": 208.591,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57988,
    "c": 0.13284,
    "h": 249.5
  },
  "luminance": 0.19581
}

Semantic roles & 50–950 ramp

primary

#307EC5

secondary

#CDA784

accent

#9044E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #307EC5

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

Preview Lab → · Contrast checker → · Palette generator →