#307CA7#307CA7

#307CA7 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.9% C 0.099 H 237.3°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307CA7
RGB	rgb(48, 124, 167)
HSL	hsl(202, 55%, 42%)
HSV	hsv(202, 71%, 65%)
CMYK	cmyk(71.3%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(49.29, -8.85, -29.68)
CIE-LCH	lch(49.29, 30.98, 253.39°)
OKLab	oklab(55.88% -0.0537 -0.0836)
OKLCH	oklch(55.88% 0.099 237.3)
XYZ	xyz(15.3989, 17.8320, 39.1821)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CA7 #A75B30

analogous

#30A797 #307CA7 #3040A7

triadic

#307CA7 #A7307C #7CA730

tetradic

#307CA7 #9730A7 #A75B30 #40A730

square

#307CA7 #9730A7 #A75B30 #40A730

split-complementary

#307CA7 #A73040 #A79730

monochromatic

#153548 #225977 #307CA7 #499CCB #79B6D8

Accessibility & contrast

On white

4.60

#307CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#307CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307CA7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CA7	#FFFFFF	#000000	##FFFFFF
##307CA7	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)

#687CA9

Deuteranopia (green-blind)

#5770A6

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307ca7;
/* rgb */ color: rgb(48, 124, 167);
/* oklch */ color: oklch(55.9% 0.099 237.3);

Tailwind

colors: {
  custom: {
    50: '#77a1c1',
    500: '#307ca7',
    950: '#000000',
  },
}

SCSS

$custom: #307ca7;
$custom-light: #77a1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#307ca7",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 201.681,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55876,
    "c": 0.09934,
    "h": 237.3
  },
  "luminance": 0.17834
}

Semantic roles & 50–950 ramp

primary

#307CA7

secondary

#C18E72

accent

#7F49DF

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307CA7

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

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