#307FD8#307FD8

#307FD8 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.4% C 0.156 H 254.1°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#307FD8
RGB	rgb(48, 127, 216)
HSL	hsl(212, 68%, 52%)
HSV	hsv(212, 78%, 85%)
CMYK	cmyk(77.8%, 41.2%, 0%, 15.3%)
CIE-LAB	lab(52.69, 7.15, -52.39)
CIE-LCH	lch(52.69, 52.88, 277.77°)
OKLab	oklab(59.37% -0.0427 -0.1499)
OKLCH	oklch(59.37% 0.156 254.1)
XYZ	xyz(21.1983, 20.7625, 67.8428)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FD8 #D88930

analogous

#30D3D8 #307FD8 #3530D8

triadic

#307FD8 #D8307F #7FD830

tetradic

#307FD8 #D830D3 #D88930 #30D835

square

#307FD8 #D830D3 #D88930 #30D835

split-complementary

#307FD8 #D83530 #D3D830

monochromatic

#164477 #2061AB #307FD8 #639FE2 #97BFEB

Accessibility & contrast

On white

4.08

#307FD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#307FD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FD8

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FD8	#FFFFFF	#000000	##000000
##307FD8	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5386DC

Deuteranopia (green-blind)

#3677D6

Tritanopia (blue-blind)

#0094A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #307fd8;
/* rgb */ color: rgb(48, 127, 216);
/* oklch */ color: oklch(59.4% 0.156 254.1);

Tailwind

colors: {
  custom: {
    50: '#81a3e4',
    500: '#307fd8',
    950: '#000000',
  },
}

SCSS

$custom: #307fd8;
$custom-light: #81a3e4;
$custom-dark: #000000;

JSON

{
  "hex": "#307fd8",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 216
  },
  "hsl": {
    "h": 211.786,
    "s": 68.293,
    "l": 51.765
  },
  "oklch": {
    "l": 0.59367,
    "c": 0.15584,
    "h": 254.1
  },
  "luminance": 0.20765
}

Semantic roles & 50–950 ramp

primary

#307FD8

secondary

#D7B48D

accent

#993DEB

background

#F8FAFE

surface

#F0F3FC

border

#CBCDD5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #307FD8

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

Preview Lab → · Contrast checker → · Palette generator →