#318FA5#318FA5

#318FA5 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.5% C 0.092 H 216.6°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#318FA5
RGB	rgb(49, 143, 165)
HSL	hsl(191, 54%, 42%)
HSV	hsv(191, 70%, 65%)
CMYK	cmyk(70.3%, 13.3%, 0%, 35.3%)
CIE-LAB	lab(55.09, -19.92, -19.58)
CIE-LCH	lch(55.09, 27.94, 224.51°)
OKLab	oklab(60.49% -0.0736 -0.0546)
OKLCH	oklch(60.49% 0.092 216.6)
XYZ	xyz(17.8778, 23.0125, 39.0897)
Luminance	0.2301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318FA5 #A54731

analogous

#31A581 #318FA5 #3155A5

triadic

#318FA5 #A5318F #8FA531

tetradic

#318FA5 #8131A5 #A54731 #55A531

square

#318FA5 #8131A5 #A54731 #55A531

split-complementary

#318FA5 #A53155 #A58131

monochromatic

#153D47 #236676 #318FA5 #4AB1C9 #79C5D7

Accessibility & contrast

On white

3.75

#318FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#318FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318FA5

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318FA5	#FFFFFF	#000000	##000000
##318FA5	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808BA6

Deuteranopia (green-blind)

#707FA5

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #318fa5;
/* rgb */ color: rgb(49, 143, 165);
/* oklch */ color: oklch(60.5% 0.092 216.6);

Tailwind

colors: {
  custom: {
    50: '#79b0bf',
    500: '#318fa5',
    950: '#000000',
  },
}

SCSS

$custom: #318fa5;
$custom-light: #79b0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#318fa5",
  "rgb": {
    "r": 49,
    "g": 143,
    "b": 165
  },
  "hsl": {
    "h": 191.379,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60487,
    "c": 0.09162,
    "h": 216.6
  },
  "luminance": 0.23015
}

Semantic roles & 50–950 ramp

primary

#318FA5

secondary

#C08172

accent

#664ADE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #318FA5

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

Preview Lab → · Contrast checker → · Palette generator →