#31748D#31748D

#31748D is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.7% C 0.078 H 225.8°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#31748D
RGB	rgb(49, 116, 141)
HSL	hsl(196, 48%, 37%)
HSV	hsv(196, 65%, 55%)
CMYK	cmyk(65.2%, 17.7%, 0%, 44.7%)
CIE-LAB	lab(45.72, -13.02, -19.93)
CIE-LCH	lch(45.72, 23.81, 236.84°)
OKLab	oklab(52.67% -0.0541 -0.0556)
OKLCH	oklch(52.67% 0.078 225.8)
XYZ	xyz(12.3178, 15.0656, 27.4529)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31748D #8D4A31

analogous

#318D78 #31748D #31468D

triadic

#31748D #8D3174 #748D31

tetradic

#31748D #78318D #8D4A31 #468D31

square

#31748D #78318D #8D4A31 #468D31

split-complementary

#31748D #8D3146 #8D7831

monochromatic

#112932 #214F60 #31748D #4199BA #6CB2CC

Accessibility & contrast

On white

5.23

#31748D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#31748D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31748D

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31748D	#FFFFFF	#000000	##FFFFFF
##31748D	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66728E

Deuteranopia (green-blind)

#59688D

Tritanopia (blue-blind)

#007B7C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #31748d;
/* rgb */ color: rgb(49, 116, 141);
/* oklch */ color: oklch(52.7% 0.078 225.8);

Tailwind

colors: {
  custom: {
    50: '#749cae',
    500: '#31748d',
    950: '#000000',
  },
}

SCSS

$custom: #31748d;
$custom-light: #749cae;
$custom-dark: #000000;

JSON

{
  "hex": "#31748d",
  "rgb": {
    "r": 49,
    "g": 116,
    "b": 141
  },
  "hsl": {
    "h": 196.304,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.52674,
    "c": 0.07761,
    "h": 225.8
  },
  "luminance": 0.15067
}

Semantic roles & 50–950 ramp

primary

#31748D

secondary

#B47B66

accent

#7550D8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #31748D

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

Preview Lab → · Contrast checker → · Palette generator →