#31689C#31689C

#31689C is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.5% C 0.102 H 249.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#31689C
RGB	rgb(49, 104, 156)
HSL	hsl(209, 52%, 40%)
HSV	hsv(209, 69%, 61%)
CMYK	cmyk(68.6%, 33.3%, 0%, 38.8%)
CIE-LAB	lab(42.69, -0.66, -33.56)
CIE-LCH	lch(42.69, 33.57, 268.88°)
OKLab	oklab(50.5% -0.0358 -0.095)
OKLCH	oklch(50.5% 0.102 249.4)
XYZ	xyz(12.2155, 12.9526, 33.3024)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31689C #9C6531

analogous

#319C9A #31689C #31329C

triadic

#31689C #9C3168 #689C31

tetradic

#31689C #9A319C #9C6531 #329C31

square

#31689C #9A319C #9C6531 #329C31

split-complementary

#31689C #9C3132 #9C9A31

monochromatic

#142A3F #22496D #31689C #4587C5 #74A5D3

Accessibility & contrast

On white

5.85

#31689C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#31689C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31689C

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31689C	#FFFFFF	#000000	##FFFFFF
##31689C	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516A9E

Deuteranopia (green-blind)

#42609B

Tritanopia (blue-blind)

#00747B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #31689c;
/* rgb */ color: rgb(49, 104, 156);
/* oklch */ color: oklch(50.5% 0.102 249.4);

Tailwind

colors: {
  custom: {
    50: '#7592b9',
    500: '#31689c',
    950: '#000000',
  },
}

SCSS

$custom: #31689c;
$custom-light: #7592b9;
$custom-dark: #000000;

JSON

{
  "hex": "#31689c",
  "rgb": {
    "r": 49,
    "g": 104,
    "b": 156
  },
  "hsl": {
    "h": 209.159,
    "s": 52.195,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50497,
    "c": 0.10156,
    "h": 249.4
  },
  "luminance": 0.12954
}

Semantic roles & 50–950 ramp

primary

#31689C

secondary

#BB936D

accent

#924CDC

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090D11

muted

#7B7D80

Preview Lab

Preview with #31689C

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

Preview Lab → · Contrast checker → · Palette generator →