#307DC5#307DC5

#307DC5 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.134 H 250.1°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#307DC5
RGB	rgb(48, 125, 197)
HSL	hsl(209, 61%, 48%)
HSV	hsv(209, 76%, 77%)
CMYK	cmyk(75.6%, 36.5%, 0%, 22.7%)
CIE-LAB	lab(51.06, 1.35, -44.19)
CIE-LCH	lch(51.06, 44.21, 271.75°)
OKLab	oklab(57.76% -0.0455 -0.1258)
OKLCH	oklch(57.76% 0.134 250.1)
XYZ	xyz(18.6268, 19.3247, 55.5608)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DC5 #C57830

analogous

#30C5C2 #307DC5 #3033C5

triadic

#307DC5 #C5307D #7DC530

tetradic

#307DC5 #C230C5 #C57830 #33C530

square

#307DC5 #C230C5 #C57830 #33C530

split-complementary

#307DC5 #C53033 #C5C230

monochromatic

#183F63 #245E94 #307DC5 #5B9BD7 #8CB9E3

Accessibility & contrast

On white

4.32

#307DC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#307DC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DC5

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DC5	#FFFFFF	#000000	##000000
##307DC5	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C81C8

Deuteranopia (green-blind)

#4573C4

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #307dc5;
/* rgb */ color: rgb(48, 125, 197);
/* oklch */ color: oklch(57.8% 0.134 250.1);

Tailwind

colors: {
  custom: {
    50: '#7da2d7',
    500: '#307dc5',
    950: '#000000',
  },
}

SCSS

$custom: #307dc5;
$custom-light: #7da2d7;
$custom-dark: #000000;

JSON

{
  "hex": "#307dc5",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 197
  },
  "hsl": {
    "h": 208.993,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57759,
    "c": 0.13382,
    "h": 250.1
  },
  "luminance": 0.19327
}

Semantic roles & 50–950 ramp

primary

#307DC5

secondary

#CDA784

accent

#9144E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #307DC5

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

Preview Lab → · Contrast checker → · Palette generator →