#317FB4#317FB4

#317FB4 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.3% C 0.111 H 242.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#317FB4
RGB	rgb(49, 127, 180)
HSL	hsl(204, 57%, 45%)
HSV	hsv(204, 73%, 71%)
CMYK	cmyk(72.8%, 29.4%, 0%, 29.4%)
CIE-LAB	lab(50.83, -5.86, -34.80)
CIE-LCH	lch(50.83, 35.29, 260.44°)
OKLab	oklab(57.3% -0.0518 -0.0984)
OKLCH	oklch(57.3% 0.111 242.2)
XYZ	xyz(17.0910, 19.1251, 45.9619)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FB4 #B46631

analogous

#31B4A8 #317FB4 #313DB4

triadic

#317FB4 #B4317F #7FB431

tetradic

#317FB4 #A831B4 #B46631 #3DB431

square

#317FB4 #A831B4 #B46631 #3DB431

split-complementary

#317FB4 #B4313D #B4A831

monochromatic

#173B54 #245D84 #317FB4 #529DD0 #82B8DD

Accessibility & contrast

On white

4.35

#317FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#317FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FB4

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FB4	#FFFFFF	#000000	##000000
##317FB4	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B6

Deuteranopia (green-blind)

#5573B3

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #317fb4;
/* rgb */ color: rgb(49, 127, 180);
/* oklch */ color: oklch(57.3% 0.111 242.2);

Tailwind

colors: {
  custom: {
    50: '#7aa3ca',
    500: '#317fb4',
    950: '#000000',
  },
}

SCSS

$custom: #317fb4;
$custom-light: #7aa3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#317fb4",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 180
  },
  "hsl": {
    "h": 204.275,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57305,
    "c": 0.11118,
    "h": 242.2
  },
  "luminance": 0.19127
}

Semantic roles & 50–950 ramp

primary

#317FB4

secondary

#C6997B

accent

#8547E0

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #317FB4

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

Preview Lab → · Contrast checker → · Palette generator →