#318CA3#318CA3

#318CA3 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.7% C 0.090 H 218.0°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#318CA3
RGB	rgb(49, 140, 163)
HSL	hsl(192, 54%, 42%)
HSV	hsv(192, 70%, 64%)
CMYK	cmyk(69.9%, 14.1%, 0%, 36.1%)
CIE-LAB	lab(54.08, -18.97, -19.97)
CIE-LCH	lch(54.08, 27.55, 226.46°)
OKLab	oklab(59.66% -0.0713 -0.0557)
OKLCH	oklch(59.66% 0.09 218)
XYZ	xyz(17.2528, 22.0515, 37.9903)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318CA3 #A34831

analogous

#31A381 #318CA3 #3153A3

triadic

#318CA3 #A3318C #8CA331

tetradic

#318CA3 #8131A3 #A34831 #53A331

square

#318CA3 #8131A3 #A34831 #53A331

split-complementary

#318CA3 #A33153 #A38131

monochromatic

#153B45 #236474 #318CA3 #49AFC8 #78C3D6

Accessibility & contrast

On white

3.88

#318CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#318CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318CA3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318CA3	#FFFFFF	#000000	##000000
##318CA3	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D88A4

Deuteranopia (green-blind)

#6D7CA3

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #318ca3;
/* rgb */ color: rgb(49, 140, 163);
/* oklch */ color: oklch(59.7% 0.090 218.0);

Tailwind

colors: {
  custom: {
    50: '#78adbe',
    500: '#318ca3',
    950: '#000000',
  },
}

SCSS

$custom: #318ca3;
$custom-light: #78adbe;
$custom-dark: #000000;

JSON

{
  "hex": "#318ca3",
  "rgb": {
    "r": 49,
    "g": 140,
    "b": 163
  },
  "hsl": {
    "h": 192.105,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.59656,
    "c": 0.09044,
    "h": 218
  },
  "luminance": 0.22053
}

Semantic roles & 50–950 ramp

primary

#318CA3

secondary

#BF8171

accent

#684BDD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #318CA3

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

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