#307FA5#307FA5

#307FA5 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.096 H 233.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#307FA5
RGB	rgb(48, 127, 165)
HSL	hsl(199, 55%, 42%)
HSV	hsv(199, 71%, 65%)
CMYK	cmyk(70.9%, 23%, 0%, 35.3%)
CIE-LAB	lab(50.12, -11.27, -27.23)
CIE-LCH	lch(50.12, 29.47, 247.51°)
OKLab	oklab(56.51% -0.0575 -0.0765)
OKLCH	oklch(56.51% 0.096 233.1)
XYZ	xyz(15.5971, 18.5220, 38.3431)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FA5 #A55630

analogous

#30A591 #307FA5 #3045A5

triadic

#307FA5 #A5307F #7FA530

tetradic

#307FA5 #9130A5 #A55630 #45A530

square

#307FA5 #9130A5 #A55630 #45A530

split-complementary

#307FA5 #A53045 #A59130

monochromatic

#143646 #225B76 #307FA5 #48A0CA #78B9D8

Accessibility & contrast

On white

4.46

#307FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#307FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FA5

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FA5	#FFFFFF	#000000	##000000
##307FA5	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EA7

Deuteranopia (green-blind)

#5C72A4

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307fa5;
/* rgb */ color: rgb(48, 127, 165);
/* oklch */ color: oklch(56.5% 0.096 233.1);

Tailwind

colors: {
  custom: {
    50: '#77a4c0',
    500: '#307fa5',
    950: '#000000',
  },
}

SCSS

$custom: #307fa5;
$custom-light: #77a4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307fa5",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 165
  },
  "hsl": {
    "h": 199.487,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56508,
    "c": 0.09567,
    "h": 233.1
  },
  "luminance": 0.18524
}

Semantic roles & 50–950 ramp

primary

#307FA5

secondary

#C08B71

accent

#7A4ADE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307FA5

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

Preview Lab → · Contrast checker → · Palette generator →