#31709D#31709D

#31709D is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.5% C 0.096 H 242.8°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#31709D
RGB	rgb(49, 112, 157)
HSL	hsl(205, 52%, 40%)
HSV	hsv(205, 69%, 62%)
CMYK	cmyk(68.8%, 28.7%, 0%, 38.4%)
CIE-LAB	lab(45.18, -5.16, -30.24)
CIE-LCH	lch(45.18, 30.67, 260.31°)
OKLab	oklab(52.48% -0.0439 -0.0853)
OKLCH	oklch(52.48% 0.096 242.8)
XYZ	xyz(13.1443, 14.6742, 34.0314)
Luminance	0.1468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31709D #9D5E31

analogous

#319D94 #31709D #313A9D

triadic

#31709D #9D3170 #709D31

tetradic

#31709D #94319D #9D5E31 #3A9D31

square

#31709D #94319D #9D5E31 #3A9D31

split-complementary

#31709D #9D313A #9D9431

monochromatic

#142D40 #224F6E #31709D #4690C5 #75ACD4

Accessibility & contrast

On white

5.34

#31709D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#31709D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31709D

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31709D	#FFFFFF	#000000	##FFFFFF
##31709D	1.00	5.34	3.94	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C719F

Deuteranopia (green-blind)

#4D669C

Tritanopia (blue-blind)

#007B80

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #31709d;
/* rgb */ color: rgb(49, 112, 157);
/* oklch */ color: oklch(52.5% 0.096 242.8);

Tailwind

colors: {
  custom: {
    50: '#7698ba',
    500: '#31709d',
    950: '#000000',
  },
}

SCSS

$custom: #31709d;
$custom-light: #7698ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31709d",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 157
  },
  "hsl": {
    "h": 205,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52478,
    "c": 0.09594,
    "h": 242.8
  },
  "luminance": 0.14676
}

Semantic roles & 50–950 ramp

primary

#31709D

secondary

#BC8E6E

accent

#884CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #31709D

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

Preview Lab → · Contrast checker → · Palette generator →