#31739D#31739D

#31739D is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.2% C 0.094 H 239.9°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#31739D
RGB	rgb(49, 115, 157)
HSL	hsl(203, 52%, 40%)
HSV	hsv(203, 69%, 62%)
CMYK	cmyk(68.8%, 26.8%, 0%, 38.4%)
CIE-LAB	lab(46.11, -6.95, -28.80)
CIE-LCH	lch(46.11, 29.62, 256.44°)
OKLab	oklab(53.21% -0.0471 -0.0811)
OKLCH	oklch(53.21% 0.094 239.9)
XYZ	xyz(13.4808, 15.3473, 34.1436)
Luminance	0.1535 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31739D #9D5B31

analogous

#319D91 #31739D #313D9D

triadic

#31739D #9D3173 #739D31

tetradic

#31739D #91319D #9D5B31 #3D9D31

square

#31739D #91319D #9D5B31 #3D9D31

split-complementary

#31739D #9D313D #9D9131

monochromatic

#142F40 #22516E #31739D #4694C5 #75AFD4

Accessibility & contrast

On white

5.16

#31739D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#31739D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31739D

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31739D	#FFFFFF	#000000	##FFFFFF
##31739D	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60739F

Deuteranopia (green-blind)

#51699C

Tritanopia (blue-blind)

#007E81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #31739d;
/* rgb */ color: rgb(49, 115, 157);
/* oklch */ color: oklch(53.2% 0.094 239.9);

Tailwind

colors: {
  custom: {
    50: '#769bba',
    500: '#31739d',
    950: '#000000',
  },
}

SCSS

$custom: #31739d;
$custom-light: #769bba;
$custom-dark: #000000;

JSON

{
  "hex": "#31739d",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 157
  },
  "hsl": {
    "h": 203.333,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.53208,
    "c": 0.09378,
    "h": 239.9
  },
  "luminance": 0.15349
}

Semantic roles & 50–950 ramp

primary

#31739D

secondary

#BC8C6E

accent

#844CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #31739D

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

Preview Lab → · Contrast checker → · Palette generator →