#307CA9#307CA9

#307CA9 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.101 H 238.5°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#307CA9
RGB	rgb(48, 124, 169)
HSL	hsl(202, 56%, 43%)
HSV	hsv(202, 72%, 66%)
CMYK	cmyk(71.6%, 26.6%, 0%, 33.7%)
CIE-LAB	lab(49.38, -8.15, -30.71)
CIE-LCH	lch(49.38, 31.77, 255.13°)
OKLab	oklab(55.98% -0.053 -0.0866)
OKLCH	oklch(55.98% 0.101 238.5)
XYZ	xyz(15.5852, 17.9065, 40.1633)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CA9 #A95D30

analogous

#30A999 #307CA9 #3040A9

triadic

#307CA9 #A9307C #7CA930

tetradic

#307CA9 #9930A9 #A95D30 #40A930

square

#307CA9 #9930A9 #A95D30 #40A930

split-complementary

#307CA9 #A93040 #A99930

monochromatic

#15364A #225979 #307CA9 #4A9CCC #7AB6D9

Accessibility & contrast

On white

4.58

#307CA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#307CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CA9

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CA9	#FFFFFF	#000000	##000000
##307CA9	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677CAB

Deuteranopia (green-blind)

#5670A8

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307ca9;
/* rgb */ color: rgb(48, 124, 169);
/* oklch */ color: oklch(56.0% 0.101 238.5);

Tailwind

colors: {
  custom: {
    50: '#78a1c2',
    500: '#307ca9',
    950: '#000000',
  },
}

SCSS

$custom: #307ca9;
$custom-light: #78a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#307ca9",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 202.314,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55978,
    "c": 0.10148,
    "h": 238.5
  },
  "luminance": 0.17908
}

Semantic roles & 50–950 ramp

primary

#307CA9

secondary

#C29073

accent

#8149DF

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307CA9

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

Preview Lab → · Contrast checker → · Palette generator →