#31689D#31689D

#31689D is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.6% C 0.103 H 249.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#31689D
RGB	rgb(49, 104, 157)
HSL	hsl(209, 52%, 40%)
HSV	hsv(209, 69%, 62%)
CMYK	cmyk(68.8%, 33.8%, 0%, 38.4%)
CIE-LAB	lab(42.74, -0.29, -34.07)
CIE-LCH	lch(42.74, 34.07, 269.51°)
OKLab	oklab(50.55% -0.0355 -0.0965)
OKLCH	oklch(50.55% 0.103 249.8)
XYZ	xyz(12.3005, 12.9866, 33.7502)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31689D #9D6631

analogous

#319D9C #31689D #31329D

triadic

#31689D #9D3168 #689D31

tetradic

#31689D #9C319D #9D6631 #329D31

square

#31689D #9C319D #9D6631 #329D31

split-complementary

#31689D #9D3132 #9D9C31

monochromatic

#142A40 #22496E #31689D #4687C5 #75A5D4

Accessibility & contrast

On white

5.84

#31689D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#31689D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31689D

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31689D	#FFFFFF	#000000	##FFFFFF
##31689D	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516B9F

Deuteranopia (green-blind)

#41609C

Tritanopia (blue-blind)

#00747B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #31689d;
/* rgb */ color: rgb(49, 104, 157);
/* oklch */ color: oklch(50.6% 0.103 249.8);

Tailwind

colors: {
  custom: {
    50: '#7592ba',
    500: '#31689d',
    950: '#000000',
  },
}

SCSS

$custom: #31689d;
$custom-light: #7592ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31689d",
  "rgb": {
    "r": 49,
    "g": 104,
    "b": 157
  },
  "hsl": {
    "h": 209.444,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50554,
    "c": 0.10285,
    "h": 249.8
  },
  "luminance": 0.12988
}

Semantic roles & 50–950 ramp

primary

#31689D

secondary

#BC946E

accent

#934CDC

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090D11

muted

#7B7D80

Preview Lab

Preview with #31689D

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

Preview Lab → · Contrast checker → · Palette generator →