#318CB3#318CB3

#318CB3 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.102 H 230.5°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#318CB3
RGB	rgb(49, 140, 179)
HSL	hsl(198, 57%, 45%)
HSV	hsv(198, 73%, 70%)
CMYK	cmyk(72.6%, 21.8%, 0%, 29.8%)
CIE-LAB	lab(54.72, -13.63, -28.16)
CIE-LCH	lch(54.72, 31.28, 244.18°)
OKLab	oklab(60.38% -0.0651 -0.0791)
OKLCH	oklch(60.38% 0.102 230.5)
XYZ	xyz(18.7781, 22.6617, 46.0236)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318CB3 #B35831

analogous

#31B399 #318CB3 #314BB3

triadic

#318CB3 #B3318C #8CB331

tetradic

#318CB3 #9931B3 #B35831 #4BB331

square

#318CB3 #9931B3 #B35831 #4BB331

split-complementary

#318CB3 #B3314B #B39931

monochromatic

#174153 #246683 #318CB3 #52AAD0 #82C1DD

Accessibility & contrast

On white

3.80

#318CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#318CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318CB3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318CB3	#FFFFFF	#000000	##000000
##318CB3	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB5

Deuteranopia (green-blind)

#667DB2

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #318cb3;
/* rgb */ color: rgb(49, 140, 179);
/* oklch */ color: oklch(60.4% 0.102 230.5);

Tailwind

colors: {
  custom: {
    50: '#7badca',
    500: '#318cb3',
    950: '#000000',
  },
}

SCSS

$custom: #318cb3;
$custom-light: #7badca;
$custom-dark: #000000;

JSON

{
  "hex": "#318cb3",
  "rgb": {
    "r": 49,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 198,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60381,
    "c": 0.10242,
    "h": 230.5
  },
  "luminance": 0.22664
}

Semantic roles & 50–950 ramp

primary

#318CB3

secondary

#C6917A

accent

#7548E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318CB3

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

Preview Lab → · Contrast checker → · Palette generator →