#318BC9#318BC9

#318BC9 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.3% C 0.126 H 243.2°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#318BC9
RGB	rgb(49, 139, 201)
HSL	hsl(204, 61%, 49%)
HSV	hsv(204, 76%, 79%)
CMYK	cmyk(75.6%, 30.8%, 0%, 21.2%)
CIE-LAB	lab(55.41, -5.36, -39.60)
CIE-LCH	lch(55.41, 39.96, 262.28°)
OKLab	oklab(61.26% -0.0567 -0.1122)
OKLCH	oklch(61.26% 0.126 243.2)
XYZ	xyz(21.0378, 23.3328, 58.6419)
Luminance	0.2334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318BC9 #C96F31

analogous

#31C9BB #318BC9 #313FC9

triadic

#318BC9 #C9318B #8BC931

tetradic

#318BC9 #BB31C9 #C96F31 #3FC931

square

#318BC9 #BB31C9 #C96F31 #3FC931

split-complementary

#318BC9 #C9313F #C9BB31

monochromatic

#194767 #256998 #318BC9 #5FA7D8 #90C2E4

Accessibility & contrast

On white

3.71

#318BC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#318BC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318BC9

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318BC9	#FFFFFF	#000000	##000000
##318BC9	1.00	3.71	5.67	5.67
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8DCC

Deuteranopia (green-blind)

#597EC8

Tritanopia (blue-blind)

#009AA1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #318bc9;
/* rgb */ color: rgb(49, 139, 201);
/* oklch */ color: oklch(61.3% 0.126 243.2);

Tailwind

colors: {
  custom: {
    50: '#7eacd9',
    500: '#318bc9',
    950: '#000000',
  },
}

SCSS

$custom: #318bc9;
$custom-light: #7eacd9;
$custom-dark: #000000;

JSON

{
  "hex": "#318bc9",
  "rgb": {
    "r": 49,
    "g": 139,
    "b": 201
  },
  "hsl": {
    "h": 204.474,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.61256,
    "c": 0.12574,
    "h": 243.2
  },
  "luminance": 0.23335
}

Semantic roles & 50–950 ramp

primary

#318BC9

secondary

#CFA487

accent

#8544E4

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #318BC9

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

Preview Lab → · Contrast checker → · Palette generator →