#318BB0#318BB0

#318BB0 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.0% C 0.100 H 229.4°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#318BB0
RGB	rgb(49, 139, 176)
HSL	hsl(197, 56%, 44%)
HSV	hsv(197, 72%, 69%)
CMYK	cmyk(72.2%, 21%, 0%, 31%)
CIE-LAB	lab(54.29, -14.09, -27.11)
CIE-LCH	lch(54.29, 30.56, 242.53°)
OKLab	oklab(60% -0.0652 -0.0761)
OKLCH	oklch(60% 0.1 229.4)
XYZ	xyz(18.3326, 22.2507, 44.3945)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318BB0 #B05631

analogous

#31B096 #318BB0 #314CB0

triadic

#318BB0 #B0318B #8BB031

tetradic

#318BB0 #9631B0 #B05631 #4CB031

square

#318BB0 #9631B0 #B05631 #4CB031

split-complementary

#318BB0 #B0314C #B09631

monochromatic

#163F50 #246580 #318BB0 #50A9CE #80C1DC

Accessibility & contrast

On white

3.85

#318BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#318BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318BB0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318BB0	#FFFFFF	#000000	##000000
##318BB0	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B2

Deuteranopia (green-blind)

#677CAF

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #318bb0;
/* rgb */ color: rgb(49, 139, 176);
/* oklch */ color: oklch(60.0% 0.100 229.4);

Tailwind

colors: {
  custom: {
    50: '#7aadc7',
    500: '#318bb0',
    950: '#000000',
  },
}

SCSS

$custom: #318bb0;
$custom-light: #7aadc7;
$custom-dark: #000000;

JSON

{
  "hex": "#318bb0",
  "rgb": {
    "r": 49,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 197.48,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59996,
    "c": 0.10017,
    "h": 229.4
  },
  "luminance": 0.22253
}

Semantic roles & 50–950 ramp

primary

#318BB0

secondary

#C58E78

accent

#7448E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #318BB0

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

Preview Lab → · Contrast checker → · Palette generator →