#31758F#31758F

#31758F is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.0% C 0.079 H 226.4°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#31758F
RGB	rgb(49, 117, 143)
HSL	hsl(197, 49%, 38%)
HSV	hsv(197, 66%, 56%)
CMYK	cmyk(65.7%, 18.2%, 0%, 43.9%)
CIE-LAB	lab(46.12, -12.92, -20.51)
CIE-LCH	lch(46.12, 24.24, 237.78°)
OKLab	oklab(53.02% -0.0544 -0.0573)
OKLCH	oklch(53.02% 0.079 226.4)
XYZ	xyz(12.5839, 15.3574, 28.2824)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31758F #8F4B31

analogous

#318F7A #31758F #31468F

triadic

#31758F #8F3175 #758F31

tetradic

#31758F #7A318F #8F4B31 #468F31

square

#31758F #7A318F #8F4B31 #468F31

split-complementary

#31758F #8F3146 #8F7A31

monochromatic

#122A34 #215061 #31758F #419ABD #6DB3CD

Accessibility & contrast

On white

5.16

#31758F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#31758F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31758F

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31758F	#FFFFFF	#000000	##FFFFFF
##31758F	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)

#677390

Deuteranopia (green-blind)

#5A698F

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #31758f;
/* rgb */ color: rgb(49, 117, 143);
/* oklch */ color: oklch(53.0% 0.079 226.4);

Tailwind

colors: {
  custom: {
    50: '#749caf',
    500: '#31758f',
    950: '#000000',
  },
}

SCSS

$custom: #31758f;
$custom-light: #749caf;
$custom-dark: #000000;

JSON

{
  "hex": "#31758f",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 143
  },
  "hsl": {
    "h": 196.596,
    "s": 48.958,
    "l": 37.647
  },
  "oklch": {
    "l": 0.53018,
    "c": 0.07902,
    "h": 226.4
  },
  "luminance": 0.15359
}

Semantic roles & 50–950 ramp

primary

#31758F

secondary

#B57D67

accent

#754FD9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #31758F

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

Preview Lab → · Contrast checker → · Palette generator →