#318EB3#318EB3

#318EB3 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.9% C 0.102 H 228.7°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#318EB3
RGB	rgb(49, 142, 179)
HSL	hsl(197, 57%, 45%)
HSV	hsv(197, 73%, 70%)
CMYK	cmyk(72.6%, 20.7%, 0%, 29.8%)
CIE-LAB	lab(55.33, -14.73, -27.22)
CIE-LCH	lch(55.33, 30.95, 241.58°)
OKLab	oklab(60.87% -0.0671 -0.0764)
OKLCH	oklch(60.87% 0.102 228.7)
XYZ	xyz(19.0730, 23.2514, 46.1219)
Luminance	0.2325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318EB3 #B35631

analogous

#31B397 #318EB3 #314DB3

triadic

#318EB3 #B3318E #8EB331

tetradic

#318EB3 #9731B3 #B35631 #4DB331

square

#318EB3 #9731B3 #B35631 #4DB331

split-complementary

#318EB3 #B3314D #B39731

monochromatic

#174253 #246883 #318EB3 #52ACD0 #82C3DD

Accessibility & contrast

On white

3.72

#318EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#318EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318EB3

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318EB3	#FFFFFF	#000000	##000000
##318EB3	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB5

Deuteranopia (green-blind)

#697FB3

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #318eb3;
/* rgb */ color: rgb(49, 142, 179);
/* oklch */ color: oklch(60.9% 0.102 228.7);

Tailwind

colors: {
  custom: {
    50: '#7bafca',
    500: '#318eb3',
    950: '#000000',
  },
}

SCSS

$custom: #318eb3;
$custom-light: #7bafca;
$custom-dark: #000000;

JSON

{
  "hex": "#318eb3",
  "rgb": {
    "r": 49,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 197.077,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60867,
    "c": 0.10165,
    "h": 228.7
  },
  "luminance": 0.23254
}

Semantic roles & 50–950 ramp

primary

#318EB3

secondary

#C6907A

accent

#7348E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318EB3

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

Preview Lab → · Contrast checker → · Palette generator →