#307DB6#307DB6

#307DB6 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.9% C 0.115 H 244.5°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#307DB6
RGB	rgb(48, 125, 182)
HSL	hsl(206, 58%, 45%)
HSV	hsv(206, 74%, 71%)
CMYK	cmyk(73.6%, 31.3%, 0%, 28.6%)
CIE-LAB	lab(50.30, -4.10, -36.79)
CIE-LCH	lch(50.30, 37.02, 263.64°)
OKLab	oklab(56.91% -0.0498 -0.1042)
OKLCH	oklch(56.91% 0.115 244.5)
XYZ	xyz(16.9928, 18.6711, 46.9552)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DB6 #B66930

analogous

#30B6AC #307DB6 #303AB6

triadic

#307DB6 #B6307D #7DB630

tetradic

#307DB6 #AC30B6 #B66930 #3AB630

square

#307DB6 #AC30B6 #B66930 #3AB630

split-complementary

#307DB6 #B6303A #B6AC30

monochromatic

#163A55 #235C86 #307DB6 #529BD1 #82B7DE

Accessibility & contrast

On white

4.44

#307DB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#307DB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DB6

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DB6	#FFFFFF	#000000	##000000
##307DB6	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637FB8

Deuteranopia (green-blind)

#5072B5

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307db6;
/* rgb */ color: rgb(48, 125, 182);
/* oklch */ color: oklch(56.9% 0.115 244.5);

Tailwind

colors: {
  custom: {
    50: '#7aa2cc',
    500: '#307db6',
    950: '#000000',
  },
}

SCSS

$custom: #307db6;
$custom-light: #7aa2cc;
$custom-dark: #000000;

JSON

{
  "hex": "#307db6",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 182
  },
  "hsl": {
    "h": 205.522,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56907,
    "c": 0.11549,
    "h": 244.5
  },
  "luminance": 0.18673
}

Semantic roles & 50–950 ramp

primary

#307DB6

secondary

#C79B7B

accent

#8846E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #307DB6

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

Preview Lab → · Contrast checker → · Palette generator →