#307CA6#307CA6

#307CA6 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.098 H 236.7°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#307CA6
RGB	rgb(48, 124, 166)
HSL	hsl(201, 55%, 42%)
HSV	hsv(201, 71%, 65%)
CMYK	cmyk(71.1%, 25.3%, 0%, 34.9%)
CIE-LAB	lab(49.25, -9.20, -29.17)
CIE-LCH	lch(49.25, 30.59, 252.49°)
OKLab	oklab(55.83% -0.054 -0.0821)
OKLCH	oklch(55.83% 0.098 236.7)
XYZ	xyz(15.3068, 17.7952, 38.6971)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CA6 #A65A30

analogous

#30A695 #307CA6 #3041A6

triadic

#307CA6 #A6307C #7CA630

tetradic

#307CA6 #9530A6 #A65A30 #41A630

square

#307CA6 #9530A6 #A65A30 #41A630

split-complementary

#307CA6 #A63041 #A69530

monochromatic

#153547 #225977 #307CA6 #499CCA #78B6D8

Accessibility & contrast

On white

4.61

#307CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#307CA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307CA6

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CA6	#FFFFFF	#000000	##FFFFFF
##307CA6	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687BA8

Deuteranopia (green-blind)

#5870A5

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307ca6;
/* rgb */ color: rgb(48, 124, 166);
/* oklch */ color: oklch(55.8% 0.098 236.7);

Tailwind

colors: {
  custom: {
    50: '#77a1c0',
    500: '#307ca6',
    950: '#000000',
  },
}

SCSS

$custom: #307ca6;
$custom-light: #77a1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307ca6",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 166
  },
  "hsl": {
    "h": 201.356,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55826,
    "c": 0.09829,
    "h": 236.7
  },
  "luminance": 0.17797
}

Semantic roles & 50–950 ramp

primary

#307CA6

secondary

#C08E71

accent

#7E49DE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307CA6

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

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