#307DA1#307DA1

#307DA1 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.093 H 232.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#307DA1
RGB	rgb(48, 125, 161)
HSL	hsl(199, 54%, 41%)
HSV	hsv(199, 70%, 63%)
CMYK	cmyk(70.2%, 22.4%, 0%, 36.9%)
CIE-LAB	lab(49.33, -11.52, -26.12)
CIE-LCH	lch(49.33, 28.55, 246.21°)
OKLab	oklab(55.82% -0.0568 -0.0733)
OKLCH	oklch(55.82% 0.093 232.2)
XYZ	xyz(14.9830, 17.8672, 36.3704)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DA1 #A15430

analogous

#30A18C #307DA1 #3044A1

triadic

#307DA1 #A1307D #7DA130

tetradic

#307DA1 #8C30A1 #A15430 #44A130

square

#307DA1 #8C30A1 #A15430 #44A130

split-complementary

#307DA1 #A13044 #A18C30

monochromatic

#143443 #225872 #307DA1 #469FC8 #75B7D6

Accessibility & contrast

On white

4.59

#307DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#307DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307DA1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DA1	#FFFFFF	#000000	##FFFFFF
##307DA1	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA3

Deuteranopia (green-blind)

#5C70A0

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307da1;
/* rgb */ color: rgb(48, 125, 161);
/* oklch */ color: oklch(55.8% 0.093 232.2);

Tailwind

colors: {
  custom: {
    50: '#77a2bd',
    500: '#307da1',
    950: '#000000',
  },
}

SCSS

$custom: #307da1;
$custom-light: #77a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#307da1",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 161
  },
  "hsl": {
    "h": 199.115,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55823,
    "c": 0.09277,
    "h": 232.2
  },
  "luminance": 0.17869
}

Semantic roles & 50–950 ramp

primary

#307DA1

secondary

#BE886F

accent

#794ADD

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307DA1

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

Preview Lab → · Contrast checker → · Palette generator →