#307C9D#307C9D

#307C9D is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.089 H 230.2°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#307C9D
RGB	rgb(48, 124, 157)
HSL	hsl(198, 53%, 40%)
HSV	hsv(198, 69%, 62%)
CMYK	cmyk(69.4%, 21%, 0%, 38.4%)
CIE-LAB	lab(48.85, -12.32, -24.53)
CIE-LCH	lch(48.85, 27.45, 243.33°)
OKLab	oklab(55.38% -0.0573 -0.0687)
OKLCH	oklch(55.38% 0.089 230.2)
XYZ	xyz(14.5100, 17.4764, 34.5003)
Luminance	0.1748 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307C9D #9D5130

analogous

#309D87 #307C9D #30459D

triadic

#307C9D #9D307C #7C9D30

tetradic

#307C9D #87309D #9D5130 #459D30

square

#307C9D #87309D #9D5130 #459D30

split-complementary

#307C9D #9D3045 #9D8730

monochromatic

#13323F #22576E #307C9D #449FC6 #73B7D4

Accessibility & contrast

On white

4.67

#307C9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#307C9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307C9D

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307C9D	#FFFFFF	#000000	##FFFFFF
##307C9D	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7A9F

Deuteranopia (green-blind)

#5C6F9D

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307c9d;
/* rgb */ color: rgb(48, 124, 157);
/* oklch */ color: oklch(55.4% 0.089 230.2);

Tailwind

colors: {
  custom: {
    50: '#76a2ba',
    500: '#307c9d',
    950: '#000000',
  },
}

SCSS

$custom: #307c9d;
$custom-light: #76a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#307c9d",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 157
  },
  "hsl": {
    "h": 198.165,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.55384,
    "c": 0.08948,
    "h": 230.2
  },
  "luminance": 0.17478
}

Semantic roles & 50–950 ramp

primary

#307C9D

secondary

#BC856D

accent

#774BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #307C9D

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

Preview Lab → · Contrast checker → · Palette generator →