#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
RGB	rgb(49, 125, 176)
HSL	hsl(204, 56%, 44%)
HSV	hsv(204, 72%, 69%)
CMYK	cmyk(72.2%, 29%, 0%, 31%)
CIE-LAB	lab(50.04, -6.11, -33.73)
CIE-LCH	lch(50.04, 34.28, 259.73°)
OKLab	oklab(56.62% -0.0511 -0.0953)
OKLCH	oklch(56.62% 0.108 241.8)
XYZ	xyz(16.4337, 18.4529, 43.7616)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

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
##317DB0	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

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 →