#31356D#31356D

#31356D is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.7% C 0.096 H 277.3°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#31356D
RGB	rgb(49, 53, 109)
HSL	hsl(236, 38%, 31%)
HSV	hsv(236, 55%, 43%)
CMYK	cmyk(55%, 51.4%, 0%, 57.3%)
CIE-LAB	lab(24.65, 15.80, -33.25)
CIE-LCH	lch(24.65, 36.81, 295.42°)
OKLab	oklab(35.65% 0.0122 -0.0947)
OKLCH	oklch(35.65% 0.096 277.3)
XYZ	xyz(5.2992, 4.3030, 15.0164)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31356D #6D6931

analogous

#31536D #31356D #4B316D

triadic

#31356D #6D3135 #356D31

tetradic

#31356D #6D3153 #6D6931 #316D4B

square

#31356D #6D3153 #6D6931 #316D4B

split-complementary

#31356D #6D4B31 #536D31

monochromatic

#0B0C19 #1E2043 #31356D #444A97 #6166B8

Accessibility & contrast

On white

11.29

#31356D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#31356D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31356D

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31356D	#FFFFFF	#000000	##FFFFFF
##31356D	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3D6F

Deuteranopia (green-blind)

#14386C

Tritanopia (blue-blind)

#17414B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31356d;
/* rgb */ color: rgb(49, 53, 109);
/* oklch */ color: oklch(35.7% 0.096 277.3);

Tailwind

colors: {
  custom: {
    50: '#6e6c97',
    500: '#31356d',
    950: '#000000',
  },
}

SCSS

$custom: #31356d;
$custom-light: #6e6c97;
$custom-dark: #000000;

JSON

{
  "hex": "#31356d",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 109
  },
  "hsl": {
    "h": 236,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35654,
    "c": 0.09552,
    "h": 277.3
  },
  "luminance": 0.04303
}

Semantic roles & 50–950 ramp

primary

#31356D

secondary

#9E9A5C

accent

#C65ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #31356D

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

Preview Lab → · Contrast checker → · Palette generator →