#317FD0#317FD0

#317FD0 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.145 H 252.4°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#317FD0
RGB	rgb(49, 127, 208)
HSL	hsl(211, 63%, 50%)
HSV	hsv(211, 76%, 82%)
CMYK	cmyk(76.4%, 38.9%, 0%, 18.4%)
CIE-LAB	lab(52.27, 4.31, -48.54)
CIE-LCH	lch(52.27, 48.73, 275.07°)
OKLab	oklab(58.9% -0.044 -0.1385)
OKLCH	oklch(58.9% 0.145 252.4)
XYZ	xyz(20.2369, 20.3834, 62.5301)
Luminance	0.2039 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FD0 #D08231

analogous

#31CFD0 #317FD0 #3231D0

triadic

#317FD0 #D0317F #7FD031

tetradic

#317FD0 #D031CF #D08231 #31D032

square

#317FD0 #D031CF #D08231 #31D032

split-complementary

#317FD0 #D03231 #CFD031

monochromatic

#19436E #24619F #317FD0 #639EDB #95BDE7

Accessibility & contrast

On white

4.14

#317FD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#317FD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FD0

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FD0	#FFFFFF	#000000	##000000
##317FD0	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5985D3

Deuteranopia (green-blind)

#3F76CE

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #317fd0;
/* rgb */ color: rgb(49, 127, 208);
/* oklch */ color: oklch(58.9% 0.145 252.4);

Tailwind

colors: {
  custom: {
    50: '#7fa3df',
    500: '#317fd0',
    950: '#000000',
  },
}

SCSS

$custom: #317fd0;
$custom-light: #7fa3df;
$custom-dark: #000000;

JSON

{
  "hex": "#317fd0",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 208
  },
  "hsl": {
    "h": 210.566,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58901,
    "c": 0.14536,
    "h": 252.4
  },
  "luminance": 0.20386
}

Semantic roles & 50–950 ramp

primary

#317FD0

secondary

#D2AF8B

accent

#9542E6

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #317FD0

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

Preview Lab → · Contrast checker → · Palette generator →