#307C9E#307C9E

#307C9E is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.090 H 231.0°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#307C9E
RGB	rgb(48, 124, 158)
HSL	hsl(199, 53%, 40%)
HSV	hsv(199, 70%, 62%)
CMYK	cmyk(69.6%, 21.5%, 0%, 38%)
CIE-LAB	lab(48.90, -11.98, -25.05)
CIE-LCH	lch(48.90, 27.77, 244.44°)
OKLab	oklab(55.43% -0.0569 -0.0702)
OKLCH	oklch(55.43% 0.09 231)
XYZ	xyz(14.5957, 17.5107, 34.9518)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307C9E #9E5230

analogous

#309E89 #307C9E #30459E

triadic

#307C9E #9E307C #7C9E30

tetradic

#307C9E #89309E #9E5230 #459E30

square

#307C9E #89309E #9E5230 #459E30

split-complementary

#307C9E #9E3045 #9E8930

monochromatic

#133240 #22576F #307C9E #459EC6 #74B7D5

Accessibility & contrast

On white

4.66

#307C9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#307C9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307C9E

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307C9E	#FFFFFF	#000000	##FFFFFF
##307C9E	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7AA0

Deuteranopia (green-blind)

#5C6F9E

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307c9e;
/* rgb */ color: rgb(48, 124, 158);
/* oklch */ color: oklch(55.4% 0.090 231.0);

Tailwind

colors: {
  custom: {
    50: '#76a2ba',
    500: '#307c9e',
    950: '#000000',
  },
}

SCSS

$custom: #307c9e;
$custom-light: #76a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#307c9e",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 158
  },
  "hsl": {
    "h": 198.545,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55432,
    "c": 0.0904,
    "h": 231
  },
  "luminance": 0.17512
}

Semantic roles & 50–950 ramp

primary

#307C9E

secondary

#BD866D

accent

#784BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #307C9E

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

Preview Lab → · Contrast checker → · Palette generator →