#317DDA#317DDA

#317DDA is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 59.1% C 0.160 H 255.5°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#317DDA
RGBrgb(49, 125, 218)
HSLhsl(213, 70%, 52%)
HSVhsv(213, 78%, 85%)
CMYKcmyk(77.5%, 42.7%, 0%, 14.5%)
CIE-LABlab(52.26, 9.23, -54.20)
CIE-LCHlch(52.26, 54.98, 279.66°)
OKLaboklab(59.08% -0.0401 -0.1552)
OKLCHoklch(59.08% 0.16 255.5)
XYZxyz(21.2504, 20.3796, 69.1298)
Luminance0.2038 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#317DDA #DA8E31
analogous
#31D1DA #317DDA #3A31DA
triadic
#317DDA #DA317D #7DDA31
tetradic
#317DDA #DA31D1 #DA8E31 #31DA3A
square
#317DDA #DA31D1 #DA8E31 #31DA3A
split-complementary
#317DDA #DA3A31 #D1DA31
monochromatic
#16437B #1F60AE #317DDA #659EE3 #99BEED

Accessibility & contrast

On white

4.14
#317DDA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.08
#317DDA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DDA
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##317DDA#FFFFFF#000000##000000
##317DDA1.004.145.085.08
#FFFFFF4.141.0021.0021.00
#0000005.0821.001.001.00
##0000005.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E85DE
Deuteranopia (green-blind)
#2F76D8
Tritanopia (blue-blind)
#0093A1
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #317dda;
/* rgb */ color: rgb(49, 125, 218);
/* oklch */ color: oklch(59.1% 0.160 255.5);
Tailwind
colors: {
  custom: {
    50: '#81a2e6',
    500: '#317dda',
    950: '#000000',
  },
}
SCSS
$custom: #317dda;
$custom-light: #81a2e6;
$custom-dark: #000000;
JSON
{
  "hex": "#317dda",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 218
  },
  "hsl": {
    "h": 213.018,
    "s": 69.547,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59082,
    "c": 0.1603,
    "h": 255.5
  },
  "luminance": 0.20382
}

Semantic roles & 50–950 ramp

primary
#317DDA
secondary
#D8B78F
accent
#9D3BEC
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #317DDA

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

Preview Lab → · Contrast checker → · Palette generator →

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