#318BB1#318BB1

#318BB1 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.0% C 0.101 H 230.1°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#318BB1
RGB	rgb(49, 139, 177)
HSL	hsl(198, 57%, 44%)
HSV	hsv(198, 72%, 69%)
CMYK	cmyk(72.3%, 21.5%, 0%, 30.6%)
CIE-LAB	lab(54.33, -13.75, -27.62)
CIE-LCH	lch(54.33, 30.85, 243.53°)
OKLab	oklab(60.04% -0.0648 -0.0775)
OKLCH	oklch(60.04% 0.101 230.1)
XYZ	xyz(18.4319, 22.2904, 44.9175)
Luminance	0.2229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318BB1 #B15731

analogous

#31B197 #318BB1 #314BB1

triadic

#318BB1 #B1318B #8BB131

tetradic

#318BB1 #9731B1 #B15731 #4BB131

square

#318BB1 #9731B1 #B15731 #4BB131

split-complementary

#318BB1 #B1314B #B19731

monochromatic

#164051 #246581 #318BB1 #51A9CF #80C1DC

Accessibility & contrast

On white

3.85

#318BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#318BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318BB1

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318BB1	#FFFFFF	#000000	##000000
##318BB1	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B3

Deuteranopia (green-blind)

#667CB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #318bb1;
/* rgb */ color: rgb(49, 139, 177);
/* oklch */ color: oklch(60.0% 0.101 230.1);

Tailwind

colors: {
  custom: {
    50: '#7aadc8',
    500: '#318bb1',
    950: '#000000',
  },
}

SCSS

$custom: #318bb1;
$custom-light: #7aadc8;
$custom-dark: #000000;

JSON

{
  "hex": "#318bb1",
  "rgb": {
    "r": 49,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 197.813,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.60043,
    "c": 0.10105,
    "h": 230.1
  },
  "luminance": 0.22293
}

Semantic roles & 50–950 ramp

primary

#318BB1

secondary

#C58F79

accent

#7548E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318BB1

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

Preview Lab → · Contrast checker → · Palette generator →