#317FA4#317FA4

#317FA4 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.094 H 232.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#317FA4
RGB	rgb(49, 127, 164)
HSL	hsl(199, 54%, 42%)
HSV	hsv(199, 70%, 64%)
CMYK	cmyk(70.1%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(50.11, -11.46, -26.67)
CIE-LCH	lch(50.11, 29.03, 246.74°)
OKLab	oklab(56.49% -0.0573 -0.0749)
OKLCH	oklch(56.49% 0.094 232.6)
XYZ	xyz(15.5542, 18.5103, 37.8679)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FA4 #A45631

analogous

#31A490 #317FA4 #3146A4

triadic

#317FA4 #A4317F #7FA431

tetradic

#317FA4 #9031A4 #A45631 #46A431

square

#317FA4 #9031A4 #A45631 #46A431

split-complementary

#317FA4 #A43146 #A49031

monochromatic

#153646 #235B75 #317FA4 #49A0C9 #79B9D7

Accessibility & contrast

On white

4.47

#317FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#317FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FA4

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FA4	#FFFFFF	#000000	##000000
##317FA4	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA6

Deuteranopia (green-blind)

#5D72A3

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317fa4;
/* rgb */ color: rgb(49, 127, 164);
/* oklch */ color: oklch(56.5% 0.094 232.6);

Tailwind

colors: {
  custom: {
    50: '#77a4bf',
    500: '#317fa4',
    950: '#000000',
  },
}

SCSS

$custom: #317fa4;
$custom-light: #77a4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#317fa4",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 199.304,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56491,
    "c": 0.09425,
    "h": 232.6
  },
  "luminance": 0.18512
}

Semantic roles & 50–950 ramp

primary

#317FA4

secondary

#BF8B72

accent

#7A4ADD

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317FA4

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

Preview Lab → · Contrast checker → · Palette generator →