#307D9F#307D9F

#307D9F is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.091 H 230.7°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#307D9F
RGB	rgb(48, 125, 159)
HSL	hsl(198, 54%, 41%)
HSV	hsv(198, 70%, 62%)
CMYK	cmyk(69.8%, 21.4%, 0%, 37.6%)
CIE-LAB	lab(49.25, -12.20, -25.09)
CIE-LCH	lch(49.25, 27.90, 244.06°)
OKLab	oklab(55.73% -0.0576 -0.0703)
OKLCH	oklch(55.73% 0.091 230.7)
XYZ	xyz(14.8081, 17.7972, 35.4489)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307D9F #9F5230

analogous

#309F89 #307D9F #30469F

triadic

#307D9F #9F307D #7D9F30

tetradic

#307D9F #89309F #9F5230 #469F30

square

#307D9F #89309F #9F5230 #469F30

split-complementary

#307D9F #9F3046 #9F8930

monochromatic

#143341 #225870 #307D9F #459FC7 #74B7D5

Accessibility & contrast

On white

4.61

#307D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#307D9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307D9F

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307D9F	#FFFFFF	#000000	##FFFFFF
##307D9F	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7BA1

Deuteranopia (green-blind)

#5D709F

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307d9f;
/* rgb */ color: rgb(48, 125, 159);
/* oklch */ color: oklch(55.7% 0.091 230.7);

Tailwind

colors: {
  custom: {
    50: '#76a2bb',
    500: '#307d9f',
    950: '#000000',
  },
}

SCSS

$custom: #307d9f;
$custom-light: #76a2bb;
$custom-dark: #000000;

JSON

{
  "hex": "#307d9f",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 159
  },
  "hsl": {
    "h": 198.378,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55727,
    "c": 0.09092,
    "h": 230.7
  },
  "luminance": 0.17799
}

Semantic roles & 50–950 ramp

primary

#307D9F

secondary

#BD866E

accent

#784BDD

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307D9F

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

Preview Lab → · Contrast checker → · Palette generator →