#31517C#31517C

#31517C is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.081 H 256.2°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#31517C
RGB	rgb(49, 81, 124)
HSL	hsl(214, 43%, 34%)
HSV	hsv(214, 60%, 49%)
CMYK	cmyk(60.5%, 34.7%, 0%, 51.4%)
CIE-LAB	lab(33.97, 2.33, -27.91)
CIE-LCH	lch(33.97, 28.00, 274.78°)
OKLab	oklab(43.12% -0.0193 -0.0788)
OKLCH	oklch(43.12% 0.081 256.2)
XYZ	xyz(7.8459, 7.9924, 20.1941)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31517C #7C5C31

analogous

#31777C #31517C #37317C

triadic

#31517C #7C3151 #517C31

tetradic

#31517C #7C3177 #7C5C31 #317C37

square

#31517C #7C3177 #7C5C31 #317C37

split-complementary

#31517C #7C3731 #777C31

monochromatic

#0E1824 #203450 #31517C #426EA8 #658DC2

Accessibility & contrast

On white

8.08

#31517C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#31517C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31517C

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31517C	#FFFFFF	#000000	##FFFFFF
##31517C	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F547E

Deuteranopia (green-blind)

#354D7B

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #31517c;
/* rgb */ color: rgb(49, 81, 124);
/* oklch */ color: oklch(43.1% 0.081 256.2);

Tailwind

colors: {
  custom: {
    50: '#7081a2',
    500: '#31517c',
    950: '#000000',
  },
}

SCSS

$custom: #31517c;
$custom-light: #7081a2;
$custom-dark: #000000;

JSON

{
  "hex": "#31517c",
  "rgb": {
    "r": 49,
    "g": 81,
    "b": 124
  },
  "hsl": {
    "h": 214.4,
    "s": 43.353,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43116,
    "c": 0.08117,
    "h": 256.2
  },
  "luminance": 0.07993
}

Semantic roles & 50–950 ramp

primary

#31517C

secondary

#AA8A5F

accent

#9D55D3

background

#F7F7FA

surface

#EDEEF3

border

#C8C9CD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #31517C

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

Preview Lab → · Contrast checker → · Palette generator →