#307E99#307E99

#307E99 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.086 H 224.6°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307E99
RGB	rgb(48, 126, 153)
HSL	hsl(195, 52%, 39%)
HSV	hsv(195, 69%, 60%)
CMYK	cmyk(68.6%, 17.6%, 0%, 40%)
CIE-LAB	lab(49.31, -14.80, -21.49)
CIE-LCH	lch(49.31, 26.09, 235.44°)
OKLab	oklab(55.69% -0.061 -0.06)
OKLCH	oklch(55.69% 0.086 224.6)
XYZ	xyz(14.4272, 17.8484, 32.8156)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307E99 #994B30

analogous

#309980 #307E99 #304999

triadic

#307E99 #99307E #7E9930

tetradic

#307E99 #803099 #994B30 #499930

square

#307E99 #803099 #994B30 #499930

split-complementary

#307E99 #993049 #998030

monochromatic

#13313C #21586A #307E99 #42A3C4 #71B9D2

Accessibility & contrast

On white

4.60

#307E99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#307E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307E99

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307E99	#FFFFFF	#000000	##FFFFFF
##307E99	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7B9A

Deuteranopia (green-blind)

#607199

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307e99;
/* rgb */ color: rgb(48, 126, 153);
/* oklch */ color: oklch(55.7% 0.086 224.6);

Tailwind

colors: {
  custom: {
    50: '#75a3b7',
    500: '#307e99',
    950: '#000000',
  },
}

SCSS

$custom: #307e99;
$custom-light: #75a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#307e99",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 153
  },
  "hsl": {
    "h": 195.429,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55695,
    "c": 0.08556,
    "h": 224.6
  },
  "luminance": 0.1785
}

Semantic roles & 50–950 ramp

primary

#307E99

secondary

#BA7F6B

accent

#714CDC

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #307E99

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

Preview Lab → · Contrast checker → · Palette generator →