#317CB2#317CB2

#317CB2 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.111 H 243.6°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#317CB2
RGB	rgb(49, 124, 178)
HSL	hsl(205, 57%, 45%)
HSV	hsv(205, 72%, 70%)
CMYK	cmyk(72.5%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(49.83, -4.81, -35.21)
CIE-LCH	lch(49.83, 35.54, 262.23°)
OKLab	oklab(56.48% -0.0494 -0.0996)
OKLCH	oklch(56.48% 0.111 243.6)
XYZ	xyz(16.5071, 18.2808, 44.7694)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317CB2 #B26731

analogous

#31B2A7 #317CB2 #313CB2

triadic

#317CB2 #B2317C #7CB231

tetradic

#317CB2 #A731B2 #B26731 #3CB231

square

#317CB2 #A731B2 #B26731 #3CB231

split-complementary

#317CB2 #B2313C #B2A731

monochromatic

#173952 #245B82 #317CB2 #519ACF #81B6DC

Accessibility & contrast

On white

4.51

#317CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#317CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317CB2

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317CB2	#FFFFFF	#000000	##000000
##317CB2	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637DB4

Deuteranopia (green-blind)

#5171B1

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317cb2;
/* rgb */ color: rgb(49, 124, 178);
/* oklch */ color: oklch(56.5% 0.111 243.6);

Tailwind

colors: {
  custom: {
    50: '#7aa1c9',
    500: '#317cb2',
    950: '#000000',
  },
}

SCSS

$custom: #317cb2;
$custom-light: #7aa1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#317cb2",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 205.116,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56484,
    "c": 0.11121,
    "h": 243.6
  },
  "luminance": 0.18283
}

Semantic roles & 50–950 ramp

primary

#317CB2

secondary

#C59979

accent

#8748E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #317CB2

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

Preview Lab → · Contrast checker → · Palette generator →