#317FB2#317FB2

#317FB2 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.2% C 0.109 H 241.2°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#317FB2
RGB	rgb(49, 127, 178)
HSL	hsl(204, 57%, 45%)
HSV	hsv(204, 72%, 70%)
CMYK	cmyk(72.5%, 28.7%, 0%, 30.2%)
CIE-LAB	lab(50.74, -6.57, -33.79)
CIE-LCH	lch(50.74, 34.43, 259.00°)
OKLab	oklab(57.2% -0.0524 -0.0955)
OKLCH	oklch(57.2% 0.109 241.2)
XYZ	xyz(16.8888, 19.0442, 44.8967)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FB2 #B26431

analogous

#31B2A5 #317FB2 #313FB2

triadic

#317FB2 #B2317F #7FB231

tetradic

#317FB2 #A531B2 #B26431 #3FB231

square

#317FB2 #A531B2 #B26431 #3FB231

split-complementary

#317FB2 #B2313F #B2A531

monochromatic

#173B52 #245D82 #317FB2 #519DCF #81B8DC

Accessibility & contrast

On white

4.37

#317FB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#317FB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FB2

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FB2	#FFFFFF	#000000	##000000
##317FB2	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B4

Deuteranopia (green-blind)

#5673B1

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #317fb2;
/* rgb */ color: rgb(49, 127, 178);
/* oklch */ color: oklch(57.2% 0.109 241.2);

Tailwind

colors: {
  custom: {
    50: '#7aa4c9',
    500: '#317fb2',
    950: '#000000',
  },
}

SCSS

$custom: #317fb2;
$custom-light: #7aa4c9;
$custom-dark: #000000;

JSON

{
  "hex": "#317fb2",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 178
  },
  "hsl": {
    "h": 203.721,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.57199,
    "c": 0.10891,
    "h": 241.2
  },
  "luminance": 0.19046
}

Semantic roles & 50–950 ramp

primary

#317FB2

secondary

#C59779

accent

#8448E0

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #317FB2

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

Preview Lab → · Contrast checker → · Palette generator →