#318CB2#318CB2

#318CB2 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.3% C 0.102 H 229.9°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#318CB2
RGB	rgb(49, 140, 178)
HSL	hsl(198, 57%, 45%)
HSV	hsv(198, 72%, 70%)
CMYK	cmyk(72.5%, 21.3%, 0%, 30.2%)
CIE-LAB	lab(54.68, -13.97, -27.66)
CIE-LCH	lch(54.68, 30.98, 243.21°)
OKLab	oklab(60.33% -0.0655 -0.0776)
OKLCH	oklch(60.33% 0.102 229.9)
XYZ	xyz(18.6774, 22.6213, 45.4929)
Luminance	0.2262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318CB2 #B25731

analogous

#31B297 #318CB2 #314CB2

triadic

#318CB2 #B2318C #8CB231

tetradic

#318CB2 #9731B2 #B25731 #4CB231

square

#318CB2 #9731B2 #B25731 #4CB231

split-complementary

#318CB2 #B2314C #B29731

monochromatic

#174152 #246682 #318CB2 #51AACF #81C1DC

Accessibility & contrast

On white

3.80

#318CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#318CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318CB2

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318CB2	#FFFFFF	#000000	##000000
##318CB2	1.00	3.80	5.52	5.52
#FFFFFF	3.80	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)

#798AB4

Deuteranopia (green-blind)

#677DB1

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #318cb2;
/* rgb */ color: rgb(49, 140, 178);
/* oklch */ color: oklch(60.3% 0.102 229.9);

Tailwind

colors: {
  custom: {
    50: '#7aadc9',
    500: '#318cb2',
    950: '#000000',
  },
}

SCSS

$custom: #318cb2;
$custom-light: #7aadc9;
$custom-dark: #000000;

JSON

{
  "hex": "#318cb2",
  "rgb": {
    "r": 49,
    "g": 140,
    "b": 178
  },
  "hsl": {
    "h": 197.674,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.60333,
    "c": 0.10154,
    "h": 229.9
  },
  "luminance": 0.22623
}

Semantic roles & 50–950 ramp

primary

#318CB2

secondary

#C59079

accent

#7548E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318CB2

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

Preview Lab → · Contrast checker → · Palette generator →