#317CB1#317CB1

#317CB1 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.4% C 0.110 H 243.1°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#317CB1
RGB	rgb(49, 124, 177)
HSL	hsl(205, 57%, 44%)
HSV	hsv(205, 72%, 69%)
CMYK	cmyk(72.3%, 29.9%, 0%, 30.6%)
CIE-LAB	lab(49.79, -5.17, -34.71)
CIE-LCH	lch(49.79, 35.09, 261.54°)
OKLab	oklab(56.43% -0.0498 -0.0982)
OKLCH	oklch(56.43% 0.11 243.1)
XYZ	xyz(16.4070, 18.2408, 44.2426)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317CB1 #B16631

analogous

#31B1A6 #317CB1 #313CB1

triadic

#317CB1 #B1317C #7CB131

tetradic

#317CB1 #A631B1 #B16631 #3CB131

square

#317CB1 #A631B1 #B16631 #3CB131

split-complementary

#317CB1 #B1313C #B1A631

monochromatic

#163951 #245A81 #317CB1 #519ACF #80B6DC

Accessibility & contrast

On white

4.52

#317CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#317CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317CB1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317CB1	#FFFFFF	#000000	##000000
##317CB1	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647DB3

Deuteranopia (green-blind)

#5271B0

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317cb1;
/* rgb */ color: rgb(49, 124, 177);
/* oklch */ color: oklch(56.4% 0.110 243.1);

Tailwind

colors: {
  custom: {
    50: '#79a1c8',
    500: '#317cb1',
    950: '#000000',
  },
}

SCSS

$custom: #317cb1;
$custom-light: #79a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#317cb1",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 177
  },
  "hsl": {
    "h": 204.844,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5643,
    "c": 0.11005,
    "h": 243.1
  },
  "luminance": 0.18243
}

Semantic roles & 50–950 ramp

primary

#317CB1

secondary

#C59879

accent

#8748E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #317CB1

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

Preview Lab → · Contrast checker → · Palette generator →