#318AB1#318AB1

#318AB1 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.8% C 0.101 H 231.0°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#318AB1
RGB	rgb(49, 138, 177)
HSL	hsl(198, 57%, 44%)
HSV	hsv(198, 72%, 69%)
CMYK	cmyk(72.3%, 22%, 0%, 30.6%)
CIE-LAB	lab(54.03, -13.20, -28.09)
CIE-LCH	lch(54.03, 31.04, 244.84°)
OKLab	oklab(59.8% -0.0638 -0.0789)
OKLCH	oklch(59.8% 0.101 231)
XYZ	xyz(18.2877, 22.0022, 44.8695)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318AB1 #B15831

analogous

#31B198 #318AB1 #314AB1

triadic

#318AB1 #B1318A #8AB131

tetradic

#318AB1 #9831B1 #B15831 #4AB131

square

#318AB1 #9831B1 #B15831 #4AB131

split-complementary

#318AB1 #B1314A #B19831

monochromatic

#163F51 #246581 #318AB1 #51A8CF #80C0DC

Accessibility & contrast

On white

3.89

#318AB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#318AB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318AB1

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318AB1	#FFFFFF	#000000	##000000
##318AB1	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7688B3

Deuteranopia (green-blind)

#657CB0

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #318ab1;
/* rgb */ color: rgb(49, 138, 177);
/* oklch */ color: oklch(59.8% 0.101 231.0);

Tailwind

colors: {
  custom: {
    50: '#7aacc8',
    500: '#318ab1',
    950: '#000000',
  },
}

SCSS

$custom: #318ab1;
$custom-light: #7aacc8;
$custom-dark: #000000;

JSON

{
  "hex": "#318ab1",
  "rgb": {
    "r": 49,
    "g": 138,
    "b": 177
  },
  "hsl": {
    "h": 198.281,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.598,
    "c": 0.10147,
    "h": 231
  },
  "luminance": 0.22004
}

Semantic roles & 50–950 ramp

primary

#318AB1

secondary

#C59079

accent

#7648E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318AB1

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

Preview Lab → · Contrast checker → · Palette generator →