#317AA9#317AA9

#317AA9 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.102 H 240.6°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#317AA9
RGB	rgb(49, 122, 169)
HSL	hsl(204, 55%, 43%)
HSV	hsv(204, 71%, 66%)
CMYK	cmyk(71%, 27.8%, 0%, 33.7%)
CIE-LAB	lab(48.80, -6.83, -31.61)
CIE-LCH	lch(48.80, 32.34, 257.80°)
OKLab	oklab(55.53% -0.0503 -0.0892)
OKLCH	oklch(55.53% 0.102 240.6)
XYZ	xyz(15.3848, 17.4349, 40.0829)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AA9 #A96031

analogous

#31A99C #317AA9 #313EA9

triadic

#317AA9 #A9317A #7AA931

tetradic

#317AA9 #9C31A9 #A96031 #3EA931

square

#317AA9 #9C31A9 #A96031 #3EA931

split-complementary

#317AA9 #A9313E #A99C31

monochromatic

#15364A #23587A #317AA9 #4C99CB #7CB4D9

Accessibility & contrast

On white

4.68

#317AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#317AA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #317AA9

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AA9	#FFFFFF	#000000	##FFFFFF
##317AA9	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647AAB

Deuteranopia (green-blind)

#546FA8

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #317aa9;
/* rgb */ color: rgb(49, 122, 169);
/* oklch */ color: oklch(55.5% 0.102 240.6);

Tailwind

colors: {
  custom: {
    50: '#78a0c2',
    500: '#317aa9',
    950: '#000000',
  },
}

SCSS

$custom: #317aa9;
$custom-light: #78a0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#317aa9",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 169
  },
  "hsl": {
    "h": 203.5,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55528,
    "c": 0.10241,
    "h": 240.6
  },
  "luminance": 0.17437
}

Semantic roles & 50–950 ramp

primary

#317AA9

secondary

#C19374

accent

#8449DE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #317AA9

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

Preview Lab → · Contrast checker → · Palette generator →