#318CB1#318CB1

#318CB1 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.3% C 0.101 H 229.2°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#318CB1
RGB	rgb(49, 140, 177)
HSL	hsl(197, 57%, 44%)
HSV	hsv(197, 72%, 69%)
CMYK	cmyk(72.3%, 20.9%, 0%, 30.6%)
CIE-LAB	lab(54.64, -14.31, -27.15)
CIE-LCH	lch(54.64, 30.69, 242.21°)
OKLab	oklab(60.29% -0.0658 -0.0762)
OKLCH	oklch(60.29% 0.101 229.2)
XYZ	xyz(18.5773, 22.5813, 44.9660)
Luminance	0.2258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318CB1 #B15631

analogous

#31B196 #318CB1 #314CB1

triadic

#318CB1 #B1318C #8CB131

tetradic

#318CB1 #9631B1 #B15631 #4CB131

square

#318CB1 #9631B1 #B15631 #4CB131

split-complementary

#318CB1 #B1314C #B19631

monochromatic

#164051 #246681 #318CB1 #51AACF #80C2DC

Accessibility & contrast

On white

3.81

#318CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#318CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318CB1

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318CB1	#FFFFFF	#000000	##000000
##318CB1	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB3

Deuteranopia (green-blind)

#677DB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #318cb1;
/* rgb */ color: rgb(49, 140, 177);
/* oklch */ color: oklch(60.3% 0.101 229.2);

Tailwind

colors: {
  custom: {
    50: '#7aadc8',
    500: '#318cb1',
    950: '#000000',
  },
}

SCSS

$custom: #318cb1;
$custom-light: #7aadc8;
$custom-dark: #000000;

JSON

{
  "hex": "#318cb1",
  "rgb": {
    "r": 49,
    "g": 140,
    "b": 177
  },
  "hsl": {
    "h": 197.344,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.60286,
    "c": 0.10067,
    "h": 229.2
  },
  "luminance": 0.22583
}

Semantic roles & 50–950 ramp

primary

#318CB1

secondary

#C58F79

accent

#7448E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318CB1

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

Preview Lab → · Contrast checker → · Palette generator →