#317CB5#317CB5

#317CB5 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.115 H 245.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#317CB5
RGB	rgb(49, 124, 181)
HSL	hsl(206, 57%, 45%)
HSV	hsv(206, 73%, 71%)
CMYK	cmyk(72.9%, 31.5%, 0%, 29%)
CIE-LAB	lab(49.98, -3.73, -36.72)
CIE-LCH	lch(49.98, 36.90, 264.20°)
OKLab	oklab(56.65% -0.0485 -0.104)
OKLCH	oklch(56.65% 0.115 245)
XYZ	xyz(16.8116, 18.4026, 46.3731)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317CB5 #B56A31

analogous

#31B5AC #317CB5 #313AB5

triadic

#317CB5 #B5317C #7CB531

tetradic

#317CB5 #AC31B5 #B56A31 #3AB531

square

#317CB5 #AC31B5 #B56A31 #3AB531

split-complementary

#317CB5 #B5313A #B5AC31

monochromatic

#173A55 #245B85 #317CB5 #539AD0 #83B6DD

Accessibility & contrast

On white

4.49

#317CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#317CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317CB5

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317CB5	#FFFFFF	#000000	##000000
##317CB5	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627EB7

Deuteranopia (green-blind)

#5071B4

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317cb5;
/* rgb */ color: rgb(49, 124, 181);
/* oklch */ color: oklch(56.6% 0.115 245.0);

Tailwind

colors: {
  custom: {
    50: '#7aa1cb',
    500: '#317cb5',
    950: '#000000',
  },
}

SCSS

$custom: #317cb5;
$custom-light: #7aa1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#317cb5",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 181
  },
  "hsl": {
    "h": 205.909,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56647,
    "c": 0.11476,
    "h": 245
  },
  "luminance": 0.18404
}

Semantic roles & 50–950 ramp

primary

#317CB5

secondary

#C79C7B

accent

#8947E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #317CB5

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

Preview Lab → · Contrast checker → · Palette generator →