#317BAA#317BAA

#317BAA is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.103 H 240.2°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#317BAA
RGB	rgb(49, 123, 170)
HSL	hsl(203, 55%, 43%)
HSV	hsv(203, 71%, 67%)
CMYK	cmyk(71.2%, 27.6%, 0%, 33.3%)
CIE-LAB	lab(49.15, -7.06, -31.64)
CIE-LCH	lch(49.15, 32.42, 257.41°)
OKLab	oklab(55.82% -0.051 -0.0893)
OKLCH	oklch(55.82% 0.103 240.2)
XYZ	xyz(15.6025, 17.7194, 40.6203)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BAA #AA6031

analogous

#31AA9C #317BAA #313EAA

triadic

#317BAA #AA317B #7BAA31

tetradic

#317BAA #9C31AA #AA6031 #3EAA31

square

#317BAA #9C31AA #AA6031 #3EAA31

split-complementary

#317BAA #AA313E #AA9C31

monochromatic

#16364B #23597A #317BAA #4D9ACC #7CB5D9

Accessibility & contrast

On white

4.62

#317BAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#317BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317BAA

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BAA	#FFFFFF	#000000	##FFFFFF
##317BAA	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAC

Deuteranopia (green-blind)

#5570A9

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317baa;
/* rgb */ color: rgb(49, 123, 170);
/* oklch */ color: oklch(55.8% 0.103 240.2);

Tailwind

colors: {
  custom: {
    50: '#78a1c3',
    500: '#317baa',
    950: '#000000',
  },
}

SCSS

$custom: #317baa;
$custom-light: #78a1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#317baa",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 170
  },
  "hsl": {
    "h": 203.306,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.55821,
    "c": 0.10283,
    "h": 240.2
  },
  "luminance": 0.17721
}

Semantic roles & 50–950 ramp

primary

#317BAA

secondary

#C29375

accent

#8349DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #317BAA

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

Preview Lab → · Contrast checker → · Palette generator →