#307FD0#307FD0

#307FD0 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.146 H 252.2°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#307FD0
RGB	rgb(48, 127, 208)
HSL	hsl(210, 63%, 50%)
HSV	hsv(210, 77%, 82%)
CMYK	cmyk(76.9%, 38.9%, 0%, 18.4%)
CIE-LAB	lab(52.24, 4.19, -48.58)
CIE-LCH	lch(52.24, 48.76, 274.93°)
OKLab	oklab(58.87% -0.0445 -0.1387)
OKLCH	oklch(58.87% 0.146 252.2)
XYZ	xyz(20.1892, 20.3588, 62.5279)
Luminance	0.2036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FD0 #D08130

analogous

#30CFD0 #307FD0 #3130D0

triadic

#307FD0 #D0307F #7FD030

tetradic

#307FD0 #D030CF #D08130 #30D031

square

#307FD0 #D030CF #D08130 #30D031

split-complementary

#307FD0 #D03130 #CFD030

monochromatic

#19426D #24619F #307FD0 #629EDB #94BDE7

Accessibility & contrast

On white

4.14

#307FD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#307FD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FD0

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FD0	#FFFFFF	#000000	##000000
##307FD0	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5885D3

Deuteranopia (green-blind)

#3F76CE

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #307fd0;
/* rgb */ color: rgb(48, 127, 208);
/* oklch */ color: oklch(58.9% 0.146 252.2);

Tailwind

colors: {
  custom: {
    50: '#7fa3df',
    500: '#307fd0',
    950: '#000000',
  },
}

SCSS

$custom: #307fd0;
$custom-light: #7fa3df;
$custom-dark: #000000;

JSON

{
  "hex": "#307fd0",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 208
  },
  "hsl": {
    "h": 210.375,
    "s": 62.992,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58872,
    "c": 0.14566,
    "h": 252.2
  },
  "luminance": 0.20361
}

Semantic roles & 50–950 ramp

primary

#307FD0

secondary

#D2AE8A

accent

#9542E6

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #307FD0

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

Preview Lab → · Contrast checker → · Palette generator →