#307FC9#307FC9

#307FC9 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.137 H 250.2°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#307FC9
RGB	rgb(48, 127, 201)
HSL	hsl(209, 61%, 49%)
HSV	hsv(209, 76%, 79%)
CMYK	cmyk(76.1%, 36.8%, 0%, 21.2%)
CIE-LAB	lab(51.86, 1.61, -45.21)
CIE-LCH	lch(51.86, 45.24, 272.04°)
OKLab	oklab(58.45% -0.0463 -0.1288)
OKLCH	oklch(58.45% 0.137 250.2)
XYZ	xyz(19.3469, 20.0219, 58.0920)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FC9 #C97A30

analogous

#30C9C7 #307FC9 #3032C9

triadic

#307FC9 #C9307F #7FC930

tetradic

#307FC9 #C730C9 #C97A30 #32C930

square

#307FC9 #C730C9 #C97A30 #32C930

split-complementary

#307FC9 #C93032 #C9C730

monochromatic

#184166 #246098 #307FC9 #5E9DD8 #8FBBE4

Accessibility & contrast

On white

4.20

#307FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#307FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FC9

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FC9	#FFFFFF	#000000	##000000
##307FC9	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C83CC

Deuteranopia (green-blind)

#4575C8

Tritanopia (blue-blind)

#00919A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #307fc9;
/* rgb */ color: rgb(48, 127, 201);
/* oklch */ color: oklch(58.5% 0.137 250.2);

Tailwind

colors: {
  custom: {
    50: '#7ea3da',
    500: '#307fc9',
    950: '#000000',
  },
}

SCSS

$custom: #307fc9;
$custom-light: #7ea3da;
$custom-dark: #000000;

JSON

{
  "hex": "#307fc9",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 201
  },
  "hsl": {
    "h": 209.02,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58453,
    "c": 0.13686,
    "h": 250.2
  },
  "luminance": 0.20024
}

Semantic roles & 50–950 ramp

primary

#307FC9

secondary

#CFA986

accent

#9143E5

background

#F8FAFD

surface

#EFF3FA

border

#CACDD3

text

#0B0F15

muted

#7C7F83

Preview Lab

Preview with #307FC9

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

Preview Lab → · Contrast checker → · Palette generator →