#318CB0#318CB0

#318CB0 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.100 H 228.5°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#318CB0
RGB	rgb(49, 140, 176)
HSL	hsl(197, 56%, 44%)
HSV	hsv(197, 72%, 69%)
CMYK	cmyk(72.2%, 20.5%, 0%, 31%)
CIE-LAB	lab(54.60, -14.65, -26.64)
CIE-LCH	lch(54.60, 30.40, 241.20°)
OKLab	oklab(60.24% -0.0662 -0.0747)
OKLCH	oklch(60.24% 0.1 228.5)
XYZ	xyz(18.4780, 22.5416, 44.4430)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318CB0 #B05531

analogous

#31B095 #318CB0 #314DB0

triadic

#318CB0 #B0318C #8CB031

tetradic

#318CB0 #9531B0 #B05531 #4DB031

square

#318CB0 #9531B0 #B05531 #4DB031

split-complementary

#318CB0 #B0314D #B09531

monochromatic

#164050 #246680 #318CB0 #50AACE #80C2DC

Accessibility & contrast

On white

3.81

#318CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#318CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318CB0

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318CB0	#FFFFFF	#000000	##000000
##318CB0	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB2

Deuteranopia (green-blind)

#687DB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #318cb0;
/* rgb */ color: rgb(49, 140, 176);
/* oklch */ color: oklch(60.2% 0.100 228.5);

Tailwind

colors: {
  custom: {
    50: '#7aadc7',
    500: '#318cb0',
    950: '#000000',
  },
}

SCSS

$custom: #318cb0;
$custom-light: #7aadc7;
$custom-dark: #000000;

JSON

{
  "hex": "#318cb0",
  "rgb": {
    "r": 49,
    "g": 140,
    "b": 176
  },
  "hsl": {
    "h": 197.008,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.60239,
    "c": 0.09981,
    "h": 228.5
  },
  "luminance": 0.22544
}

Semantic roles & 50–950 ramp

primary

#318CB0

secondary

#C58E78

accent

#7348E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318CB0

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

Preview Lab → · Contrast checker → · Palette generator →