#31748E#31748E

#31748E is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.7% C 0.078 H 226.8°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#31748E
RGB	rgb(49, 116, 142)
HSL	hsl(197, 49%, 37%)
HSV	hsv(197, 65%, 56%)
CMYK	cmyk(65.5%, 18.3%, 0%, 44.3%)
CIE-LAB	lab(45.76, -12.69, -20.46)
CIE-LCH	lch(45.76, 24.07, 238.19°)
OKLab	oklab(52.72% -0.0537 -0.0571)
OKLCH	oklch(52.72% 0.078 226.8)
XYZ	xyz(12.3926, 15.0955, 27.8466)
Luminance	0.1510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31748E #8E4B31

analogous

#318E79 #31748E #31468E

triadic

#31748E #8E3174 #748E31

tetradic

#31748E #79318E #8E4B31 #468E31

square

#31748E #79318E #8E4B31 #468E31

split-complementary

#31748E #8E3146 #8E7931

monochromatic

#122A33 #214F61 #31748E #4199BB #6DB2CD

Accessibility & contrast

On white

5.22

#31748E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#31748E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31748E

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31748E	#FFFFFF	#000000	##FFFFFF
##31748E	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66728F

Deuteranopia (green-blind)

#59688E

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #31748e;
/* rgb */ color: rgb(49, 116, 142);
/* oklch */ color: oklch(52.7% 0.078 226.8);

Tailwind

colors: {
  custom: {
    50: '#749caf',
    500: '#31748e',
    950: '#000000',
  },
}

SCSS

$custom: #31748e;
$custom-light: #749caf;
$custom-dark: #000000;

JSON

{
  "hex": "#31748e",
  "rgb": {
    "r": 49,
    "g": 116,
    "b": 142
  },
  "hsl": {
    "h": 196.774,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.5272,
    "c": 0.07843,
    "h": 226.8
  },
  "luminance": 0.15097
}

Semantic roles & 50–950 ramp

primary

#31748E

secondary

#B47C67

accent

#7650D8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #31748E

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

Preview Lab → · Contrast checker → · Palette generator →