#307CBD#307CBD

#307CBD is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.125 H 248.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#307CBD
RGB	rgb(48, 124, 189)
HSL	hsl(208, 59%, 46%)
HSV	hsv(208, 75%, 74%)
CMYK	cmyk(74.6%, 34.4%, 0%, 25.9%)
CIE-LAB	lab(50.35, -0.97, -40.74)
CIE-LCH	lch(50.35, 40.75, 268.64°)
OKLab	oklab(57.06% -0.0468 -0.1157)
OKLCH	oklch(57.06% 0.125 248)
XYZ	xyz(17.6084, 18.7158, 50.8187)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CBD #BD7130

analogous

#30BDB8 #307CBD #3035BD

triadic

#307CBD #BD307C #7CBD30

tetradic

#307CBD #B830BD #BD7130 #35BD30

square

#307CBD #B830BD #BD7130 #35BD30

split-complementary

#307CBD #BD3035 #BDB830

monochromatic

#173C5B #245C8C #307CBD #569AD4 #87B7E0

Accessibility & contrast

On white

4.43

#307CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#307CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CBD

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CBD	#FFFFFF	#000000	##000000
##307CBD	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7FC0

Deuteranopia (green-blind)

#4A72BC

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307cbd;
/* rgb */ color: rgb(48, 124, 189);
/* oklch */ color: oklch(57.1% 0.125 248.0);

Tailwind

colors: {
  custom: {
    50: '#7ba1d1',
    500: '#307cbd',
    950: '#000000',
  },
}

SCSS

$custom: #307cbd;
$custom-light: #7ba1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#307cbd",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 189
  },
  "hsl": {
    "h": 207.66,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57063,
    "c": 0.12484,
    "h": 248
  },
  "luminance": 0.18718
}

Semantic roles & 50–950 ramp

primary

#307CBD

secondary

#CAA17F

accent

#8E45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #307CBD

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

Preview Lab → · Contrast checker → · Palette generator →