#317DB0#317DB0

#317DB0 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.6% C 0.108 H 241.8°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#317DB0
RGBrgb(49, 125, 176)
HSLhsl(204, 56%, 44%)
HSVhsv(204, 72%, 69%)
CMYKcmyk(72.2%, 29%, 0%, 31%)
CIE-LABlab(50.04, -6.11, -33.73)
CIE-LCHlch(50.04, 34.28, 259.73°)
OKLaboklab(56.62% -0.0511 -0.0953)
OKLCHoklch(56.62% 0.108 241.8)
XYZxyz(16.4337, 18.4529, 43.7616)
Luminance0.1845 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#317DB0 #B06431
analogous
#31B0A3 #317DB0 #313EB0
triadic
#317DB0 #B0317D #7DB031
tetradic
#317DB0 #A331B0 #B06431 #3EB031
square
#317DB0 #A331B0 #B06431 #3EB031
split-complementary
#317DB0 #B0313E #B0A331
monochromatic
#163950 #245B80 #317DB0 #509CCE #80B7DC

Accessibility & contrast

On white

4.48
#317DB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.69
#317DB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DB0
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##317DB0#FFFFFF#000000##000000
##317DB01.004.484.694.69
#FFFFFF4.481.0021.0021.00
#0000004.6921.001.001.00
##0000004.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#667EB2
Deuteranopia (green-blind)
#5472AF
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #317db0;
/* rgb */ color: rgb(49, 125, 176);
/* oklch */ color: oklch(56.6% 0.108 241.8);
Tailwind
colors: {
  custom: {
    50: '#79a2c8',
    500: '#317db0',
    950: '#000000',
  },
}
SCSS
$custom: #317db0;
$custom-light: #79a2c8;
$custom-dark: #000000;
JSON
{
  "hex": "#317db0",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 176
  },
  "hsl": {
    "h": 204.094,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56615,
    "c": 0.10813,
    "h": 241.8
  },
  "luminance": 0.18455
}

Semantic roles & 50–950 ramp

primary
#317DB0
secondary
#C59778
accent
#8548E0
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #317DB0

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

Preview Lab → · Contrast checker → · Palette generator →

#317DB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva