#307DA8#307DA8

#307DA8 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.2% C 0.100 H 237.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#307DA8
RGB	rgb(48, 125, 168)
HSL	hsl(202, 56%, 42%)
HSV	hsv(202, 71%, 66%)
CMYK	cmyk(71.4%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(49.64, -9.08, -29.72)
CIE-LCH	lch(49.64, 31.08, 253.01°)
OKLab	oklab(56.17% -0.0543 -0.0837)
OKLCH	oklch(56.17% 0.1 237)
XYZ	xyz(15.6177, 18.1210, 39.7128)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DA8 #A85B30

analogous

#30A897 #307DA8 #3041A8

triadic

#307DA8 #A8307D #7DA830

tetradic

#307DA8 #9730A8 #A85B30 #41A830

square

#307DA8 #9730A8 #A85B30 #41A830

split-complementary

#307DA8 #A83041 #A89730

monochromatic

#153649 #225A78 #307DA8 #4A9DCB #7AB7D9

Accessibility & contrast

On white

4.54

#307DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#307DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DA8

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DA8	#FFFFFF	#000000	##000000
##307DA8	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAA

Deuteranopia (green-blind)

#5871A7

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307da8;
/* rgb */ color: rgb(48, 125, 168);
/* oklch */ color: oklch(56.2% 0.100 237.0);

Tailwind

colors: {
  custom: {
    50: '#78a2c2',
    500: '#307da8',
    950: '#000000',
  },
}

SCSS

$custom: #307da8;
$custom-light: #78a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#307da8",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 201.5,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.5617,
    "c": 0.09978,
    "h": 237
  },
  "luminance": 0.18123
}

Semantic roles & 50–950 ramp

primary

#307DA8

secondary

#C18F73

accent

#7F49DF

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307DA8

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

Preview Lab → · Contrast checker → · Palette generator →