#31689F#31689F

#31689F is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.7% C 0.105 H 250.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#31689F
RGB	rgb(49, 104, 159)
HSL	hsl(210, 53%, 41%)
HSV	hsv(210, 69%, 62%)
CMYK	cmyk(69.2%, 34.6%, 0%, 37.6%)
CIE-LAB	lab(42.85, 0.43, -35.09)
CIE-LCH	lch(42.85, 35.10, 270.71°)
OKLab	oklab(50.67% -0.0349 -0.0995)
OKLCH	oklch(50.67% 0.105 250.7)
XYZ	xyz(12.4726, 13.0555, 34.6568)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31689F #9F6831

analogous

#319F9F #31689F #31319F

triadic

#31689F #9F3168 #689F31

tetradic

#31689F #9F319F #9F6831 #319F31

square

#31689F #9F319F #9F6831 #319F31

split-complementary

#31689F #9F3131 #9F9F31

monochromatic

#142B41 #234970 #31689F #4787C6 #76A5D5

Accessibility & contrast

On white

5.81

#31689F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#31689F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31689F

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31689F	#FFFFFF	#000000	##FFFFFF
##31689F	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506BA1

Deuteranopia (green-blind)

#40609E

Tritanopia (blue-blind)

#00757C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #31689f;
/* rgb */ color: rgb(49, 104, 159);
/* oklch */ color: oklch(50.7% 0.105 250.7);

Tailwind

colors: {
  custom: {
    50: '#7692bb',
    500: '#31689f',
    950: '#000000',
  },
}

SCSS

$custom: #31689f;
$custom-light: #7692bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31689f",
  "rgb": {
    "r": 49,
    "g": 104,
    "b": 159
  },
  "hsl": {
    "h": 210,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50669,
    "c": 0.10547,
    "h": 250.7
  },
  "luminance": 0.13057
}

Semantic roles & 50–950 ramp

primary

#31689F

secondary

#BD966F

accent

#944CDC

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090D12

muted

#7B7D81

Preview Lab

Preview with #31689F

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

Preview Lab → · Contrast checker → · Palette generator →