#318DB1#318DB1

#318DB1 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.5% C 0.100 H 228.2°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#318DB1
RGB	rgb(49, 141, 177)
HSL	hsl(197, 57%, 44%)
HSV	hsv(197, 72%, 69%)
CMYK	cmyk(72.3%, 20.3%, 0%, 30.6%)
CIE-LAB	lab(54.94, -14.86, -26.68)
CIE-LCH	lch(54.94, 30.53, 240.88°)
OKLab	oklab(60.53% -0.0668 -0.0748)
OKLCH	oklch(60.53% 0.1 228.2)
XYZ	xyz(18.7241, 22.8749, 45.0149)
Luminance	0.2288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318DB1 #B15531

analogous

#31B195 #318DB1 #314DB1

triadic

#318DB1 #B1318D #8DB131

tetradic

#318DB1 #9531B1 #B15531 #4DB131

square

#318DB1 #9531B1 #B15531 #4DB131

split-complementary

#318DB1 #B1314D #B19531

monochromatic

#164151 #246781 #318DB1 #51ABCF #80C2DC

Accessibility & contrast

On white

3.77

#318DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#318DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318DB1

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318DB1	#FFFFFF	#000000	##000000
##318DB1	1.00	3.77	5.58	5.58
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB3

Deuteranopia (green-blind)

#697EB1

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #318db1;
/* rgb */ color: rgb(49, 141, 177);
/* oklch */ color: oklch(60.5% 0.100 228.2);

Tailwind

colors: {
  custom: {
    50: '#7aaec8',
    500: '#318db1',
    950: '#000000',
  },
}

SCSS

$custom: #318db1;
$custom-light: #7aaec8;
$custom-dark: #000000;

JSON

{
  "hex": "#318db1",
  "rgb": {
    "r": 49,
    "g": 141,
    "b": 177
  },
  "hsl": {
    "h": 196.875,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.6053,
    "c": 0.10031,
    "h": 228.2
  },
  "luminance": 0.22877
}

Semantic roles & 50–950 ramp

primary

#318DB1

secondary

#C58E79

accent

#7348E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318DB1

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

Preview Lab → · Contrast checker → · Palette generator →