#31739F#31739F

#31739F is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.3% C 0.096 H 241.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#31739F
RGB	rgb(49, 115, 159)
HSL	hsl(204, 53%, 41%)
HSV	hsv(204, 69%, 62%)
CMYK	cmyk(69.2%, 27.7%, 0%, 37.6%)
CIE-LAB	lab(46.20, -6.24, -29.83)
CIE-LCH	lch(46.20, 30.48, 258.18°)
OKLab	oklab(53.31% -0.0464 -0.0841)
OKLCH	oklch(53.31% 0.096 241.1)
XYZ	xyz(13.6530, 15.4162, 35.0503)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31739F #9F5D31

analogous

#319F94 #31739F #313C9F

triadic

#31739F #9F3173 #739F31

tetradic

#31739F #94319F #9F5D31 #3C9F31

square

#31739F #94319F #9F5D31 #3C9F31

split-complementary

#31739F #9F313C #9F9431

monochromatic

#142F41 #235170 #31739F #4793C6 #76AFD5

Accessibility & contrast

On white

5.14

#31739F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#31739F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31739F

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31739F	#FFFFFF	#000000	##FFFFFF
##31739F	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F73A1

Deuteranopia (green-blind)

#50699E

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #31739f;
/* rgb */ color: rgb(49, 115, 159);
/* oklch */ color: oklch(53.3% 0.096 241.1);

Tailwind

colors: {
  custom: {
    50: '#769bbb',
    500: '#31739f',
    950: '#000000',
  },
}

SCSS

$custom: #31739f;
$custom-light: #769bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#31739f",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 159
  },
  "hsl": {
    "h": 204,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53312,
    "c": 0.09605,
    "h": 241.1
  },
  "luminance": 0.15418
}

Semantic roles & 50–950 ramp

primary

#31739F

secondary

#BD8E6F

accent

#854CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #31739F

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

Preview Lab → · Contrast checker → · Palette generator →