#307DA0#307DA0

#307DA0 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.092 H 231.5°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307DA0
RGB	rgb(48, 125, 160)
HSL	hsl(199, 54%, 41%)
HSV	hsv(199, 70%, 63%)
CMYK	cmyk(70%, 21.9%, 0%, 37.3%)
CIE-LAB	lab(49.29, -11.86, -25.61)
CIE-LCH	lch(49.29, 28.22, 245.15°)
OKLab	oklab(55.78% -0.0572 -0.0718)
OKLCH	oklch(55.78% 0.092 231.5)
XYZ	xyz(14.8952, 17.8320, 35.9078)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DA0 #A05330

analogous

#30A08B #307DA0 #3045A0

triadic

#307DA0 #A0307D #7DA030

tetradic

#307DA0 #8B30A0 #A05330 #45A030

square

#307DA0 #8B30A0 #A05330 #45A030

split-complementary

#307DA0 #A03045 #A08B30

monochromatic

#143342 #225871 #307DA0 #469FC7 #75B7D6

Accessibility & contrast

On white

4.60

#307DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#307DA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307DA0

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DA0	#FFFFFF	#000000	##FFFFFF
##307DA0	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)

#6B7BA2

Deuteranopia (green-blind)

#5C709F

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307da0;
/* rgb */ color: rgb(48, 125, 160);
/* oklch */ color: oklch(55.8% 0.092 231.5);

Tailwind

colors: {
  custom: {
    50: '#76a2bc',
    500: '#307da0',
    950: '#000000',
  },
}

SCSS

$custom: #307da0;
$custom-light: #76a2bc;
$custom-dark: #000000;

JSON

{
  "hex": "#307da0",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 160
  },
  "hsl": {
    "h": 198.75,
    "s": 53.846,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55775,
    "c": 0.09184,
    "h": 231.5
  },
  "luminance": 0.17834
}

Semantic roles & 50–950 ramp

primary

#307DA0

secondary

#BE876E

accent

#784BDD

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307DA0

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

Preview Lab → · Contrast checker → · Palette generator →