#307DA5#307DA5

#307DA5 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.097 H 235.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307DA5
RGB	rgb(48, 125, 165)
HSL	hsl(201, 55%, 42%)
HSV	hsv(201, 71%, 65%)
CMYK	cmyk(70.9%, 24.2%, 0%, 35.3%)
CIE-LAB	lab(49.51, -10.13, -28.18)
CIE-LCH	lch(49.51, 29.95, 250.23°)
OKLab	oklab(56.02% -0.0554 -0.0793)
OKLCH	oklch(56.02% 0.097 235.1)
XYZ	xyz(15.3414, 18.0105, 38.2579)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307DA5 #A55830

analogous

#30A593 #307DA5 #3042A5

triadic

#307DA5 #A5307D #7DA530

tetradic

#307DA5 #9330A5 #A55830 #42A530

square

#307DA5 #9330A5 #A55830 #42A530

split-complementary

#307DA5 #A53042 #A59330

monochromatic

#143546 #225976 #307DA5 #489ECA #78B7D8

Accessibility & contrast

On white

4.56

#307DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#307DA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307DA5

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307DA5	#FFFFFF	#000000	##000000
##307DA5	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA7

Deuteranopia (green-blind)

#5A71A4

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307da5;
/* rgb */ color: rgb(48, 125, 165);
/* oklch */ color: oklch(56.0% 0.097 235.1);

Tailwind

colors: {
  custom: {
    50: '#77a2c0',
    500: '#307da5',
    950: '#000000',
  },
}

SCSS

$custom: #307da5;
$custom-light: #77a2c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307da5",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 165
  },
  "hsl": {
    "h": 200.513,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56019,
    "c": 0.0967,
    "h": 235.1
  },
  "luminance": 0.18012
}

Semantic roles & 50–950 ramp

primary

#307DA5

secondary

#C08C71

accent

#7C4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307DA5

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

Preview Lab → · Contrast checker → · Palette generator →