#307D9A#307D9A

#307D9A is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.5% C 0.087 H 226.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#307D9A
RGB	rgb(48, 125, 154)
HSL	hsl(196, 52%, 40%)
HSV	hsv(196, 69%, 60%)
CMYK	cmyk(68.8%, 18.8%, 0%, 39.6%)
CIE-LAB	lab(49.04, -13.90, -22.49)
CIE-LCH	lch(49.04, 26.44, 238.27°)
OKLab	oklab(55.49% -0.0595 -0.0629)
OKLCH	oklch(55.49% 0.087 226.6)
XYZ	xyz(14.3829, 17.6271, 33.2100)
Luminance	0.1763 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307D9A #9A4D30

analogous

#309A82 #307D9A #30489A

triadic

#307D9A #9A307D #7D9A30

tetradic

#307D9A #82309A #9A4D30 #489A30

square

#307D9A #82309A #9A4D30 #489A30

split-complementary

#307D9A #9A3048 #9A8230

monochromatic

#13313D #21576B #307D9A #43A1C4 #72B8D3

Accessibility & contrast

On white

4.64

#307D9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#307D9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307D9A

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307D9A	#FFFFFF	#000000	##FFFFFF
##307D9A	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9B

Deuteranopia (green-blind)

#5F709A

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307d9a;
/* rgb */ color: rgb(48, 125, 154);
/* oklch */ color: oklch(55.5% 0.087 226.6);

Tailwind

colors: {
  custom: {
    50: '#75a2b7',
    500: '#307d9a',
    950: '#000000',
  },
}

SCSS

$custom: #307d9a;
$custom-light: #75a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#307d9a",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 154
  },
  "hsl": {
    "h": 196.415,
    "s": 52.475,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55491,
    "c": 0.08658,
    "h": 226.6
  },
  "luminance": 0.17629
}

Semantic roles & 50–950 ramp

primary

#307D9A

secondary

#BB816B

accent

#734CDC

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #307D9A

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

Preview Lab → · Contrast checker → · Palette generator →