#307EA8#307EA8

#307EA8 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.4% C 0.099 H 236.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#307EA8
RGB	rgb(48, 126, 168)
HSL	hsl(201, 56%, 42%)
HSV	hsv(201, 71%, 66%)
CMYK	cmyk(71.4%, 25%, 0%, 34.1%)
CIE-LAB	lab(49.95, -9.66, -29.24)
CIE-LCH	lch(49.95, 30.80, 251.72°)
OKLab	oklab(56.41% -0.0554 -0.0823)
OKLCH	oklch(56.41% 0.099 236.1)
XYZ	xyz(15.7449, 18.3755, 39.7552)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EA8 #A85A30

analogous

#30A896 #307EA8 #3042A8

triadic

#307EA8 #A8307E #7EA830

tetradic

#307EA8 #9630A8 #A85A30 #42A830

square

#307EA8 #9630A8 #A85A30 #42A830

split-complementary

#307EA8 #A83042 #A89630

monochromatic

#153749 #225A78 #307EA8 #4A9ECB #7AB8D9

Accessibility & contrast

On white

4.49

#307EA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#307EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EA8

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EA8	#FFFFFF	#000000	##000000
##307EA8	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DAA

Deuteranopia (green-blind)

#5A72A7

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307ea8;
/* rgb */ color: rgb(48, 126, 168);
/* oklch */ color: oklch(56.4% 0.099 236.1);

Tailwind

colors: {
  custom: {
    50: '#78a3c2',
    500: '#307ea8',
    950: '#000000',
  },
}

SCSS

$custom: #307ea8;
$custom-light: #78a3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#307ea8",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 168
  },
  "hsl": {
    "h": 201,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.56413,
    "c": 0.0992,
    "h": 236.1
  },
  "luminance": 0.18377
}

Semantic roles & 50–950 ramp

primary

#307EA8

secondary

#C18E73

accent

#7D49DF

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307EA8

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

Preview Lab → · Contrast checker → · Palette generator →