#318DA3#318DA3

#318DA3 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.9% C 0.090 H 216.9°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#318DA3
RGB	rgb(49, 141, 163)
HSL	hsl(192, 54%, 42%)
HSV	hsv(192, 70%, 64%)
CMYK	cmyk(69.9%, 13.5%, 0%, 36.1%)
CIE-LAB	lab(54.39, -19.51, -19.50)
CIE-LCH	lch(54.39, 27.58, 224.98°)
OKLab	oklab(59.9% -0.0723 -0.0543)
OKLCH	oklch(59.9% 0.09 216.9)
XYZ	xyz(17.3996, 22.3451, 38.0393)
Luminance	0.2235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318DA3 #A34731

analogous

#31A380 #318DA3 #3154A3

triadic

#318DA3 #A3318D #8DA331

tetradic

#318DA3 #8031A3 #A34731 #54A331

square

#318DA3 #8031A3 #A34731 #54A331

split-complementary

#318DA3 #A33154 #A38031

monochromatic

#153C45 #236474 #318DA3 #49B0C8 #78C4D6

Accessibility & contrast

On white

3.84

#318DA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#318DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318DA3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318DA3	#FFFFFF	#000000	##000000
##318DA3	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E89A4

Deuteranopia (green-blind)

#6E7DA3

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #318da3;
/* rgb */ color: rgb(49, 141, 163);
/* oklch */ color: oklch(59.9% 0.090 216.9);

Tailwind

colors: {
  custom: {
    50: '#78aebe',
    500: '#318da3',
    950: '#000000',
  },
}

SCSS

$custom: #318da3;
$custom-light: #78aebe;
$custom-dark: #000000;

JSON

{
  "hex": "#318da3",
  "rgb": {
    "r": 49,
    "g": 141,
    "b": 163
  },
  "hsl": {
    "h": 191.579,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.59905,
    "c": 0.09045,
    "h": 216.9
  },
  "luminance": 0.22347
}

Semantic roles & 50–950 ramp

primary

#318DA3

secondary

#BF8071

accent

#674BDD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #318DA3

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

Preview Lab → · Contrast checker → · Palette generator →