#307FCF#307FCF

#307FCF is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.8% C 0.144 H 251.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#307FCF
RGB	rgb(48, 127, 207)
HSL	hsl(210, 62%, 50%)
HSV	hsv(210, 77%, 81%)
CMYK	cmyk(76.8%, 38.6%, 0%, 18.8%)
CIE-LAB	lab(52.19, 3.82, -48.10)
CIE-LCH	lch(52.19, 48.26, 274.54°)
OKLab	oklab(58.81% -0.0448 -0.1373)
OKLCH	oklch(58.81% 0.144 251.9)
XYZ	xyz(20.0665, 20.3098, 61.8820)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FCF #CF8030

analogous

#30CECF #307FCF #3130CF

triadic

#307FCF #CF307F #7FCF30

tetradic

#307FCF #CF30CE #CF8030 #30CF31

square

#307FCF #CF30CE #CF8030 #30CF31

split-complementary

#307FCF #CF3130 #CECF30

monochromatic

#19426C #24619D #307FCF #629EDB #93BCE6

Accessibility & contrast

On white

4.15

#307FCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#307FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FCF

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FCF	#FFFFFF	#000000	##000000
##307FCF	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5984D2

Deuteranopia (green-blind)

#4076CD

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #307fcf;
/* rgb */ color: rgb(48, 127, 207);
/* oklch */ color: oklch(58.8% 0.144 251.9);

Tailwind

colors: {
  custom: {
    50: '#7fa3de',
    500: '#307fcf',
    950: '#000000',
  },
}

SCSS

$custom: #307fcf;
$custom-light: #7fa3de;
$custom-dark: #000000;

JSON

{
  "hex": "#307fcf",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 207
  },
  "hsl": {
    "h": 210.189,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.58811,
    "c": 0.14439,
    "h": 251.9
  },
  "luminance": 0.20312
}

Semantic roles & 50–950 ramp

primary

#307FCF

secondary

#D1AE8A

accent

#9442E5

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #307FCF

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

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