#307BA4#307BA4

#307BA4 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.5% C 0.097 H 236.3°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#307BA4
RGB	rgb(48, 123, 164)
HSL	hsl(201, 55%, 42%)
HSV	hsv(201, 71%, 64%)
CMYK	cmyk(70.7%, 25%, 0%, 35.7%)
CIE-LAB	lab(48.85, -9.33, -28.62)
CIE-LCH	lch(48.85, 30.11, 251.95°)
OKLab	oklab(55.48% -0.0537 -0.0805)
OKLCH	oklch(55.48% 0.097 236.3)
XYZ	xyz(15.0001, 17.4730, 37.6968)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307BA4 #A45930

analogous

#30A493 #307BA4 #3041A4

triadic

#307BA4 #A4307B #7BA430

tetradic

#307BA4 #9330A4 #A45930 #41A430

square

#307BA4 #9330A4 #A45930 #41A430

split-complementary

#307BA4 #A43041 #A49330

monochromatic

#143445 #225775 #307BA4 #489CC9 #77B5D7

Accessibility & contrast

On white

4.67

#307BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#307BA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307BA4

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307BA4	#FFFFFF	#000000	##FFFFFF
##307BA4	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677AA6

Deuteranopia (green-blind)

#586FA3

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #307ba4;
/* rgb */ color: rgb(48, 123, 164);
/* oklch */ color: oklch(55.5% 0.097 236.3);

Tailwind

colors: {
  custom: {
    50: '#77a1bf',
    500: '#307ba4',
    950: '#000000',
  },
}

SCSS

$custom: #307ba4;
$custom-light: #77a1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#307ba4",
  "rgb": {
    "r": 48,
    "g": 123,
    "b": 164
  },
  "hsl": {
    "h": 201.207,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55481,
    "c": 0.09679,
    "h": 236.3
  },
  "luminance": 0.17475
}

Semantic roles & 50–950 ramp

primary

#307BA4

secondary

#BF8C70

accent

#7E4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307BA4

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

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