#307D9E#307D9E

#307D9E is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.090 H 229.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#307D9E
RGB	rgb(48, 125, 158)
HSL	hsl(198, 53%, 40%)
HSV	hsv(198, 70%, 62%)
CMYK	cmyk(69.6%, 20.9%, 0%, 38%)
CIE-LAB	lab(49.21, -12.54, -24.57)
CIE-LCH	lch(49.21, 27.59, 242.95°)
OKLab	oklab(55.68% -0.058 -0.0689)
OKLCH	oklch(55.68% 0.09 229.9)
XYZ	xyz(14.7216, 17.7626, 34.9938)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307D9E #9E5130

analogous

#309E88 #307D9E #30469E

triadic

#307D9E #9E307D #7D9E30

tetradic

#307D9E #88309E #9E5130 #469E30

square

#307D9E #88309E #9E5130 #469E30

split-complementary

#307D9E #9E3046 #9E8830

monochromatic

#133340 #22586F #307D9E #45A0C6 #74B8D5

Accessibility & contrast

On white

4.61

#307D9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#307D9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307D9E

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307D9E	#FFFFFF	#000000	##FFFFFF
##307D9E	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7BA0

Deuteranopia (green-blind)

#5D709E

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307d9e;
/* rgb */ color: rgb(48, 125, 158);
/* oklch */ color: oklch(55.7% 0.090 229.9);

Tailwind

colors: {
  custom: {
    50: '#76a2ba',
    500: '#307d9e',
    950: '#000000',
  },
}

SCSS

$custom: #307d9e;
$custom-light: #76a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#307d9e",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 158
  },
  "hsl": {
    "h": 198,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55679,
    "c": 0.09001,
    "h": 229.9
  },
  "luminance": 0.17764
}

Semantic roles & 50–950 ramp

primary

#307D9E

secondary

#BD856D

accent

#774BDD

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #307D9E

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

Preview Lab → · Contrast checker → · Palette generator →