#318AB0#318AB0

#318AB0 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.8% C 0.101 H 230.3°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#318AB0
RGB	rgb(49, 138, 176)
HSL	hsl(198, 56%, 44%)
HSV	hsv(198, 72%, 69%)
CMYK	cmyk(72.2%, 21.6%, 0%, 31%)
CIE-LAB	lab(53.99, -13.54, -27.58)
CIE-LCH	lch(53.99, 30.73, 243.86°)
OKLab	oklab(59.75% -0.0642 -0.0774)
OKLCH	oklch(59.75% 0.101 230.3)
XYZ	xyz(18.1884, 21.9624, 44.3465)
Luminance	0.2197 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318AB0 #B05731

analogous

#31B097 #318AB0 #314BB0

triadic

#318AB0 #B0318A #8AB031

tetradic

#318AB0 #9731B0 #B05731 #4BB031

square

#318AB0 #9731B0 #B05731 #4BB031

split-complementary

#318AB0 #B0314B #B09731

monochromatic

#163F50 #246480 #318AB0 #50A8CE #80C0DC

Accessibility & contrast

On white

3.89

#318AB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#318AB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318AB0

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318AB0	#FFFFFF	#000000	##000000
##318AB0	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7788B2

Deuteranopia (green-blind)

#657CAF

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #318ab0;
/* rgb */ color: rgb(49, 138, 176);
/* oklch */ color: oklch(59.8% 0.101 230.3);

Tailwind

colors: {
  custom: {
    50: '#7aacc7',
    500: '#318ab0',
    950: '#000000',
  },
}

SCSS

$custom: #318ab0;
$custom-light: #7aacc7;
$custom-dark: #000000;

JSON

{
  "hex": "#318ab0",
  "rgb": {
    "r": 49,
    "g": 138,
    "b": 176
  },
  "hsl": {
    "h": 197.953,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59752,
    "c": 0.10056,
    "h": 230.3
  },
  "luminance": 0.21965
}

Semantic roles & 50–950 ramp

primary

#318AB0

secondary

#C58F78

accent

#7548E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318AB0

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

Preview Lab → · Contrast checker → · Palette generator →