#31436F#31436F

#31436F is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.0% C 0.079 H 266.0°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#31436F
RGB	rgb(49, 67, 111)
HSL	hsl(223, 39%, 31%)
HSV	hsv(223, 56%, 44%)
CMYK	cmyk(55.9%, 39.6%, 0%, 56.5%)
CIE-LAB	lab(28.94, 6.94, -27.69)
CIE-LCH	lch(28.94, 28.55, 284.07°)
OKLab	oklab(38.98% -0.0054 -0.0783)
OKLCH	oklch(38.98% 0.079 266)
XYZ	xyz(6.1421, 5.8145, 15.8345)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31436F #6F5D31

analogous

#31626F #31436F #3E316F

triadic

#31436F #6F3143 #436F31

tetradic

#31436F #6F3162 #6F5D31 #316F3E

square

#31436F #6F3162 #6F5D31 #316F3E

split-complementary

#31436F #6F3E31 #626F31

monochromatic

#0C101A #1E2945 #31436F #445D99 #617BB9

Accessibility & contrast

On white

9.71

#31436F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#31436F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31436F

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31436F	#FFFFFF	#000000	##FFFFFF
##31436F	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314771

Deuteranopia (green-blind)

#2A426E

Tritanopia (blue-blind)

#124D53

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #31436f;
/* rgb */ color: rgb(49, 67, 111);
/* oklch */ color: oklch(39.0% 0.079 266.0);

Tailwind

colors: {
  custom: {
    50: '#6e7698',
    500: '#31436f',
    950: '#000000',
  },
}

SCSS

$custom: #31436f;
$custom-light: #6e7698;
$custom-dark: #000000;

JSON

{
  "hex": "#31436f",
  "rgb": {
    "r": 49,
    "g": 67,
    "b": 111
  },
  "hsl": {
    "h": 222.581,
    "s": 38.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38976,
    "c": 0.07852,
    "h": 266
  },
  "luminance": 0.05815
}

Semantic roles & 50–950 ramp

primary

#31436F

secondary

#A08C5C

accent

#AD59CF

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #31436F

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

Preview Lab → · Contrast checker → · Palette generator →