#318FB3#318FB3

#318FB3 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.1% C 0.101 H 227.8°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#318FB3
RGB	rgb(49, 143, 179)
HSL	hsl(197, 57%, 45%)
HSV	hsv(197, 73%, 70%)
CMYK	cmyk(72.6%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(55.63, -15.28, -26.75)
CIE-LCH	lch(55.63, 30.81, 240.26°)
OKLab	oklab(61.11% -0.0681 -0.075)
OKLCH	oklch(61.11% 0.101 227.8)
XYZ	xyz(19.2225, 23.5503, 46.1717)
Luminance	0.2355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318FB3 #B35531

analogous

#31B396 #318FB3 #314EB3

triadic

#318FB3 #B3318F #8FB331

tetradic

#318FB3 #9631B3 #B35531 #4EB331

square

#318FB3 #9631B3 #B35531 #4EB331

split-complementary

#318FB3 #B3314E #B39631

monochromatic

#174253 #246983 #318FB3 #52ADD0 #82C4DD

Accessibility & contrast

On white

3.68

#318FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#318FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318FB3

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318FB3	#FFFFFF	#000000	##000000
##318FB3	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB5

Deuteranopia (green-blind)

#6A80B3

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #318fb3;
/* rgb */ color: rgb(49, 143, 179);
/* oklch */ color: oklch(61.1% 0.101 227.8);

Tailwind

colors: {
  custom: {
    50: '#7bafca',
    500: '#318fb3',
    950: '#000000',
  },
}

SCSS

$custom: #318fb3;
$custom-light: #7bafca;
$custom-dark: #000000;

JSON

{
  "hex": "#318fb3",
  "rgb": {
    "r": 49,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 196.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.6111,
    "c": 0.10131,
    "h": 227.8
  },
  "luminance": 0.23553
}

Semantic roles & 50–950 ramp

primary

#318FB3

secondary

#C68F7A

accent

#7248E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318FB3

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

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