#307999#307999

#307999 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.4% C 0.087 H 230.3°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#307999
RGB	rgb(48, 121, 153)
HSL	hsl(198, 52%, 39%)
HSV	hsv(198, 69%, 60%)
CMYK	cmyk(68.6%, 20.9%, 0%, 40%)
CIE-LAB	lab(47.75, -11.98, -23.89)
CIE-LCH	lch(47.75, 26.72, 243.36°)
OKLab	oklab(54.45% -0.0556 -0.0669)
OKLCH	oklch(54.45% 0.087 230.3)
XYZ	xyz(13.8038, 16.6015, 32.6077)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307999 #995030

analogous

#309985 #307999 #304499

triadic

#307999 #993079 #799930

tetradic

#307999 #853099 #995030 #449930

square

#307999 #853099 #995030 #449930

split-complementary

#307999 #993044 #998530

monochromatic

#132F3C #21546A #307999 #429CC4 #71B5D2

Accessibility & contrast

On white

4.86

#307999 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#307999 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307999

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307999	#FFFFFF	#000000	##FFFFFF
##307999	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69779B

Deuteranopia (green-blind)

#5A6D99

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #307999;
/* rgb */ color: rgb(48, 121, 153);
/* oklch */ color: oklch(54.4% 0.087 230.3);

Tailwind

colors: {
  custom: {
    50: '#759fb7',
    500: '#307999',
    950: '#000000',
  },
}

SCSS

$custom: #307999;
$custom-light: #759fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#307999",
  "rgb": {
    "r": 48,
    "g": 121,
    "b": 153
  },
  "hsl": {
    "h": 198.286,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.5445,
    "c": 0.087,
    "h": 230.3
  },
  "luminance": 0.16603
}

Semantic roles & 50–950 ramp

primary

#307999

secondary

#BA836B

accent

#784CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #307999

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

Preview Lab → · Contrast checker → · Palette generator →