#307AA3#307AA3

#307AA3 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.2% C 0.096 H 236.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#307AA3
RGB	rgb(48, 122, 163)
HSL	hsl(201, 55%, 41%)
HSV	hsv(201, 71%, 64%)
CMYK	cmyk(70.6%, 25.2%, 0%, 36.1%)
CIE-LAB	lab(48.50, -9.10, -28.59)
CIE-LCH	lch(48.50, 30.00, 252.35°)
OKLab	oklab(55.19% -0.053 -0.0804)
OKLCH	oklch(55.19% 0.096 236.6)
XYZ	xyz(14.7867, 17.1902, 37.1820)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AA3 #A35930

analogous

#30A393 #307AA3 #3041A3

triadic

#307AA3 #A3307A #7AA330

tetradic

#307AA3 #9330A3 #A35930 #41A330

square

#307AA3 #9330A3 #A35930 #41A330

split-complementary

#307AA3 #A33041 #A39330

monochromatic

#143344 #225774 #307AA3 #479BC9 #77B5D7

Accessibility & contrast

On white

4.73

#307AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#307AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307AA3

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AA3	#FFFFFF	#000000	##FFFFFF
##307AA3	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A5

Deuteranopia (green-blind)

#576EA2

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307aa3;
/* rgb */ color: rgb(48, 122, 163);
/* oklch */ color: oklch(55.2% 0.096 236.6);

Tailwind

colors: {
  custom: {
    50: '#77a0be',
    500: '#307aa3',
    950: '#000000',
  },
}

SCSS

$custom: #307aa3;
$custom-light: #77a0be;
$custom-dark: #000000;

JSON

{
  "hex": "#307aa3",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 163
  },
  "hsl": {
    "h": 201.391,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55187,
    "c": 0.09633,
    "h": 236.6
  },
  "luminance": 0.17192
}

Semantic roles & 50–950 ramp

primary

#307AA3

secondary

#BF8C70

accent

#7F4ADE

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #307AA3

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

Preview Lab → · Contrast checker → · Palette generator →